2006 Cadillac XLR Owners Manual

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the exterior lamp control is in the off position and the transmission is not in PARK (P). When DRL are on, only the front turn signal lamps will be on. No other exterior lamps such as the parking lamps, taillamps, etc. will be on when the DRL are being used. Your instrument panel will not be lit up either. When it is dark enough outside, the front turn signal lamps will turn off and normal low-beam headlamps will turn on. When it is bright enough outside, the regular lamps will go off, and the front turn signal lamps will take over. If you start your vehicle in a dark garage, the automatic headlamp system will come on immediately. Once you leave the garage, it will take approximately one minute for the automatic headlamp system to change to DRL if it is light outside. During that delay, your instrument panel cluster may not be as bright as usual. Make sure your instrument panel brightness knob is in the full bright position. See Instrument Panel Brightness on page 3-33 for more information. If it is dark enough outside and the exterior lamp control is off, a HEADLAMPS SUGGESTED message will display on the Driver’s Information Center (DIC). This message informs the driver that turning on the exterior lamps is recommended. Turning the exterior lamp control to off a second time, or turning on the headlamps will remove the HEADLAMPS SUGGESTED message. If the parking lamps or the fog lamps were turned on instead, the HEADLAMPS SUGGESTED message will continue to be displayed. As with any vehicle, you should turn on the regular headlamp system when you need it. 3-30 (cid:127) (cid:127) (cid:127) Adaptive Forward Lighting System The Adaptive Forward Lighting System (AFS) swivels the headlamps horizontally to provide greater road illumination while turning. AFS will operate when the vehicle speed is greater than 2 mph (3 km/h). AFS will not operate when the transmission is in REVERSE (R). AFS is not immediately operable after starting the vehicle; driving a short distance is required to calibrate the AFS. To enable AFS, set the exterior lamp switch on the multifunction lever to the AUTO position. Moving the switch out of the AUTO position will deactivate the system. See Exterior Lamps on page 3-28. Fog Lamps Use fog lamps for better vision in foggy or misty conditions. The fog lamps control is located on the multifunction lever next to the exterior lamp control. -(Fog Lamps): Turning the band to this position will turn the fog lamps on. When you turn the fog lamps on, the fog lamp light will appear on the instrument panel cluster to indicate that the fog lamps and the parking lamps are on. If you turn the high-beam headlamps on, the fog lamps will turn off. They will turn on again when you switch to low-beam headlamps. The ignition must be on for the fog lamps to operate. The fog lamps will turn off when the ignition is turned off. Some localities have laws that require the headlamps to be on along with the fog lamps. 3-31 Twilight Sentinel® Twilight Sentinel® can turn your lamps on and off for you. A light sensor on top of the instrument panel makes the Twilight Sentinel® work, so be sure it is not covered. With Twilight Sentinel® you will see the following happen: (cid:127) When it is dark enough outside, the front turn signal lamps (DRL) will go off, and the headlamps and parking lamps will come on. The other lamps that come on with headlamps will also come on. (cid:127) When it is bright enough outside, the headlamps will go off, and the front turn signal lamps (DRL) will come on, as long as the exterior lamp switch is in the AUTO position. If you start your vehicle in a dark garage, the automatic headlamp system will come on immediately. Once you leave the garage, it will take approximately one minute for the automatic headlamp system to change to DRL if it is light outside. During that delay, your instrument panel cluster may not be as bright as usual. Make sure your instrument panel brightness control is in full bright position. See Instrument Panel Brightness on page 3-33 for more information. You can idle the vehicle with the lamps off, even when it is dark outside. After starting the vehicle, turn the exterior lamp control band to off, then release it. The lamps will remain off until you turn the control band to off again. Twilight Sentinel® also provides exterior illumination as you leave the vehicle. If Twilight Sentinel® has turned on the lamps when you turn off the ignition, your lamps will remain on until: The exterior lamp switch is moved from OFF to the parking lamp position, or a delay time that you select has elapsed. See Driver Information Center (DIC) on page 3-64 to select the delay time that you want. You can also select no delay time. If you turn off the ignition with the exterior lamp switch in the parking lamp or headlamp position, the Twilight Sentinel® delay will not occur. The lamps will turn off as soon as the switch is turned off. As with any vehicle, you should turn on the regular headlamp system when you need it. 3-32 (cid:127) (cid:127) Exterior Lighting Battery Saver If the manual parking lamps or headlamps have been left on, the exterior lamps will turn off as soon as the ignition is turned off or RAP is active. This protects against draining the battery in case you have accidentally left the headlamps or parking lamps on. The battery saver does not work if the headlamps are turned on after the ignition switch is turned to off. If you need to leave the lamps on, use the exterior lamp control to turn the lamps back on. Instrument Panel Brightness The button for this feature is located on the instrument panel to the left of the steering column. +!- (Brightness): Press this button to change the brightness of the instrument panel lights. Press the DIMMER button until PANEL DIMMING appears on the Driver Information Center (DIC). Then use the brightness button to adjust the instrument panel brightness. Press the top of the button to brighten the lights or the bottom of the button to dim the lights. See Head-Up Display (HUD) on page 3-34 for more information. Be sure not to have the brightness turned all the way down with the lamps on during the day. Your DIC may not be visible. Courtesy Lamps When any door or the trunk lid is opened, the interior lamps will go on unless it is bright outside. You can also turn the courtesy lamps on by pressing the interior lamp button on the right side of the instrument panel cluster. Press this button if the courtesy lamps will not go off. Entry/Exit Lighting With entry lighting, the interior lamps will come on when entering the vehicle. The interior lamps will come on for about 20 seconds when the engine is turned off. You can turn exit and entry lighting off by quickly turning the courtesy lamps on and off. Reading Lamps Your inside rearview mirror includes two reading lamps. The lamps will go on when a door is opened. When the doors are closed, each lamp can be turned on individually by pressing the button for that lamp. 3-33 Battery Run-Down Protection Your vehicle has a feature to help prevent you from draining the battery in case the underhood lamp, vanity mirror lamps, cargo lamps, reading lamps, console or glove box lamps are accidentally left on or in case something is plugged into the accessory power outlet or cigarette lighter. If you leave any of these lamps on, they will automatically time-out after about 20 minutes. To reset it, all of the above lamps must be turned off or the ignition key must be in ON. Head-Up Display (HUD) {CAUTION: If the HUD image is too bright, or too high in your ﬁeld of view, it may take you more time to see things you need to see when it is dark outside. Be sure to keep the HUD image dim and placed low in your ﬁeld of view. The Head-Up Display (HUD) allows you to see some of the driver information that appears on your instrument panel cluster. The information may be displayed in English or metric units and appears as an image focused out toward the front of your vehicle. To change from English to metric units, see Driver Information Center (DIC) on page 3-64. The HUD consists of the following information: (cid:127) Speedometer Turn Signal Indicators (cid:127) High-Beam Indicator Symbol Tap-Up/Tap-Down Transmission Feature (cid:127) Check Gages Icon (cid:127) Adaptive Cruise Control Features and Indicators (cid:127) Radio Features 3-34 (cid:127) (cid:127) The HUD controls are located to the left of the steering wheel. Be sure to continue scanning your displays, controls and driving environment just as you would in a vehicle without HUD. If you never look at your instrument panel cluster, you may not see something important, such as a warning light. Under important warning conditions, the CHECK GAGES message will display in the HUD. View your Driver Information Center (DIC) for more information. +!- (Brightness): This button is used to adjust the brightness of the HUD and the instrument panel cluster. DIMMER: This button is used to select the HUD or the instrument panel cluster to adjust the brightness. HUD: This button is used to adjust the vertical position of the HUD display. 3-35 To adjust the HUD so you can see it properly, do the following: 1. Adjust the seat to a comfortable driving position. If you change your seat position later, you may have to re-adjust your HUD. 2. Start your engine and press the top or bottom of the HUD button to center the HUD image in your view. The HUD image can only be adjusted up and down, not side-to-side. 3. Press the DIMMER button until the DIC reads HUD DIMMING. Then use the brightness button to adjust the desired intensity. The brightness of the HUD image is determined by the light conditions in the direction your vehicle is facing and where you have the HUD set. If you are facing a dark object or a heavily shaded area, your HUD may anticipate that you are entering a dark area and may begin to dim. To turn off the HUD, press the brightness button down until the image disappears. Polarized sunglasses could make the HUD image harder to see. As light shines out from the HUD, it is possible for light to shine back in. In rare occurrences, when the sun is at a speciﬁc angle and position, the sun’s rays can shine back into the HUD. When this occurs, the display device within the HUD will be temporarily illuminated. The event will end when the vehicle’s angle to the sun changes. Clean the inside of the windshield as needed to remove any dirt or ﬁlm that reduces the sharpness or clarity of the HUD image. To clean the HUD, spray household glass cleaner on a soft, clean cloth. Wipe the HUD lens gently, then dry it. Do not spray cleaner directly on the lens because the cleaner could leak into the unit. 3-36 If the ignition is on and you cannot see the HUD image, check to see if: (cid:127) Something is covering the HUD unit. The brightness is adjusted properly. The HUD image is adjusted to the proper height. (cid:127) Ambient light in the direction your vehicle is facing is low. (cid:127) A fuse is blown. See Fuses and Circuit Breakers on page 6-80. Keep in mind that your windshield is part of the HUD system. See Windshield Replacement on page 6-46. The following Adaptive Cruise Control (ACC) messages may appear in the HUD: CRUISE SPEED LIMITED: This message indicates that your vehicle speed has been reduced below your set speed due to ACC limitations. Your set speed is too high and ACC cannot detect other vehicles at far enough distances for the system to operate properly. TIGHT CURVE: This message indicates that ACC has reduced your vehicle speed due to a tight curve in the road. Once the road straightens, ACC will return to your selected set speed or follow distance setting. See “Adaptive Cruise Control (ACC)” under Turn Signal/Multifunction Lever on page 3-7 for more information. You may also see an ACC active symbol, alert symbol or vehicle ahead symbol. See “Adaptive Cruise Control (ACC)” under Turn Signal/Multifunction Lever on page 3-7 for more information. 3-37 (cid:127) (cid:127) The URPA display is located inside the vehicle, on the center console. It has three color-coded lights that can be seen through the rearview mirror or by turning around. How the System Works URPA comes on automatically when the shift lever is moved into REVERSE (R) and the vehicle speed is less than 3 mph (5 km/h). When the system comes on, the three lights on the display will illuminate to let you know that the system is working. URPA senses how close your vehicle is to an object. The distance is determined by the four ultrasonic sensors located on the rear bumper. Ultrasonic Rear Parking Assist (URPA) Ultrasonic Rear Parking Assist can help you to determine how close an object is to your rear bumper within a given area, making parking easier. {CAUTION: Even with the Ultrasonic Rear Park Assist system, the driver must check carefully before backing up. The system does not operate above typical backing speeds of 3 mph (5 km/h) while parking. And, the system does not detect objects that are more than 5 feet (1.5 meters) behind the vehicle. So, unless you check carefully behind you before and when you back up, you could strike children, pedestrians, bicyclists or pets behind you, and they could be injured or killed. Whether or not you are using rear park assist, always check carefully behind your vehicle before you back up and then watch closely as you do. 3-38 It may also ﬂash red if the ultrasonic sensors are not kept clean. So be sure to keep your rear bumper free of mud, dirt, snow, ice and slush or materials such as paint or the system may not work properly. If after cleaning the rear bumper and driving forward at least 15 mph (25 km/h), the display continues to ﬂash red, see your dealer. For cleaning instructions, see Washing Your Vehicle on page 6-74. It may also ﬂash red if your vehicle is moving in REVERSE (R) at a speed greater than 3 mph (5 km/h). Other conditions that may affect system performance include things like the vibrations from a jackhammer or the compression of air brakes on a very large truck. As always, drivers should use care when backing up a vehicle. Always look behind you, being sure to check for other vehicles, obstructions and blind spots. When you shift into REVERSE (R) and an object is detected, the following will occur in sequence depending on the distance from the object: (cid:127) At 5 feet (1.5 m) a chime will sound and one amber light will be lit; at 40 inches (1.0 m) both amber lights will be lit; at 20 inches (0.5 m) a continuous chime will sound and all three lights (amber/amber/red) will be lit; and at 1 foot (0.3 m) a continuous chime will sound and all three lights (amber/amber/red) will ﬂash. URPA can detect objects 3 inches (7.6 cm) and wider, and at least 10 inches (25.4 cm) tall, but it cannot detect objects that are above trunk level. In order for the rear sensors to recognize an object, it must be within operating range. If the URPA system is not functioning properly, the display will ﬂash red, indicating that there is a problem. The light will also ﬂash red while driving if a trailer is attached to your vehicle, or a bicycle or object is on the back of, or hanging out of your trunk. The light will continue to ﬂash until the trailer or the object is removed and your vehicle is driven forward at least 15 mph (25 km/h). 3-39 (cid:127) (cid:127) (cid:127) Accessory Power Outlet(s) The accessory power outlet can be used to connect electrical equipment such as a cellular phone or CB radio. The accessory power outlet is located inside the center console storage compartment, on the forward left side. To use the outlet, remove the tethered cap. When not using it, always cover the outlet with the protective cap. Notice: When using an accessory power outlet, maximum electrical load must not exceed 20 amps. Always turn off any electrical equipment when not in use. Leaving electrical equipment on for extended periods will drain your vehicle’s battery. Certain electrical accessories may not be compatible with the accessory power outlet and could result in blown vehicle or adapter fuses. If you experience a problem, see your dealer for additional information on accessory power outlets. Notice: Adding any electrical equipment to your vehicle may damage it or keep other components from working as they should. The repairs would not be covered by your warranty. Do not use equipment exceeding maximum amperage rating. Check with your dealer before adding electrical equipment. When adding electrical equipment, be sure to follow the installation instructions included with the equipment. We recommend that you see a qualiﬁed technician or your dealer for the proper installation of your equipment. Notice: cause damage not covered by your warranty. Do not hang any type of accessory or accessory bracket from the plug because the power outlets are designed for accessory power plugs only. Improper use of the power outlet can 3-40 If you put papers, pins, or other ﬂammable Ashtray(s) and Cigarette Lighter The ashtray and cigarette lighter are located under a lid in the front console to the right of the shift lever. Press the left side of the lid and it will open automatically. Notice: items in the ashtray, hot cigarettes or other smoking materials could ignite them and possibly damage your vehicle. Never put ﬂammable items in the ashtray. Loose objects, such as paper clips, can lodge behind and beneath the ashtray lid and prevent movement of the lid. You should avoid putting small, loose objects near the ashtray. To use the cigarette lighter, push it in all the way and let go. When it is ready, it will pop back out by itself. Notice: Holding a cigarette lighter in while it is heating will not allow the lighter to back away from the heating element when it is hot. Damage from overheating may occur to the lighter or heating element, or a fuse could be blown. Do not hold a cigarette lighter in while it is heating. Climate Controls Dual Climate Control System With this system you can control the heating, cooling and ventilation for your vehicle. When your vehicle is ﬁrst started, the system will recall the last temperature fan and mode settings for that driver. 3-41 Automatic Operation AUTO (Automatic): When this button is pressed and the temperature is set, the system will automatically control the inside temperature, the air delivery mode, the air-conditioning compressor and the fan speed. AUTO will appear on the display. 1. Press the AUTO button. 2. Adjust the temperature to a comfortable setting between 70°F (21°C) and 80°F (27°C). Choosing the warmest or coldest temperature setting will not cause the system to heat or cool any faster. If you set the system at the warmest or coldest temperature setting, the system will remain in manual mode at that temperature and it will not go into automatic mode. In cold weather, the system will start at reduced fan speeds to avoid blowing cold air into your vehicle until warmer air is available. The system will start out blowing air at the ﬂoor but may change modes automatically as the vehicle warms up to maintain the chosen temperature setting. The length of time needed for warm up will depend on the outside temperature and the length of time that has elapsed since your vehicle was last driven. 3. Wait for the system to regulate. This may take from 10 to 30 minutes. Then adjust the temperature, if necessary. You can switch from English to metric units through the Driver Information Center (DIC). See DIC Controls and Displays on page 3-64 for more information. The air-conditioning system removes moisture from the air, so you may sometimes notice a small amount of water dripping underneath your vehicle while idling or after turning off the engine. This is normal. Do not cover the solar sensor located in the center of the instrument panel, near the windshield. For more information on the solar sensor, see “Sensors” later in this section. Manual Operation w PWR x (Power/Temperature): Press the PWR button on the left side of the climate control panel to turn the entire climate control system on or off. Press the up or down arrow on the switch to manually increase or decrease the temperature inside the vehicle. 3-42 Press the PWR button on the right side of the climate control panel to turn the passenger’s climate control system on or off. Press the up or down arrow on the switch to manually increase or decrease the temperature for the passenger. If the passenger’s PWR button is off, the driver’s temperature switch controls the temperature for the entire vehicle. «9ª(Fan): Press this switch to increase or decrease the fan speed. Pressing this switch cancels automatic operation and places the system in manual mode. Press AUTO to return to automatic operation. If the airﬂow seems low when the fan speed is at the highest setting, the passenger compartment air ﬁlter may need to be replaced. For more information, see Passenger Compartment Air Filter on page 3-47 and Scheduled Maintenance on page 7-4. ªN« (Mode): Pressing the switch and changing the mode cancels automatic operation and places the system in manual mode. Press the AUTO button to return to automatic operation. To change the current mode, select one of the following: H (Vent): This mode directs air to the instrument panel outlets. % (Bi-Level): This mode directs approximately half of the air to the instrument panel outlets, and then directs most of the remaining air to the ﬂoor outlets. In automatic operation, cooler air is directed to the upper outlets and warmer air to the ﬂoor outlets. 6 (Floor): This mode directs most of the air to the ﬂoor outlets with some air directed to the side window outlets, and a little air directed to the windshield. The mode switch can also be used to select the defog mode. Information on defogging and defrosting can be found later in this section. A/C OFF (Air Conditioning): Press this button to turn off the air conditioning compressor. Press AUTO to return to automatic operation. The compressor cannot be turned off in either the defrost or ﬂoor/defog mode. 3-43 ( (Heated/Cooled Seat): Press this button to turn the feature on. The button on the left controls the driver’s seat and the button on the right controls the passenger’s seat. Each press of the button will take you to a different setting. The settings available in order are HI HEAT, LO HEAT, OFF, HI COOL, LO COOL and OFF. You will be able to feel the temperature change in a few minutes. The feature will automatically turn off when the vehicle is turned off. ? (Recirculation): Press this button to turn the recirculation mode on or off. The air-conditioning compressor also comes on. This mode keeps outside air from coming in the vehicle. It can be used to prevent outside air and odors from entering your vehicle or to help cool the air inside your vehicle more quickly. Recirculation is not available in defrost or ﬂoor/defog modes. Using recirculation for long periods of time may cause the air inside your vehicle to become too dry. To prevent this from happening, after the air in your vehicle has cooled, turn the recirculation mode off. Sensors There are sensors to measure the temperature and sun’s effect on passenger comfort. The solar sensor on your vehicle monitors the solar radiation then uses the information to maintain the selected temperature when operating in AUTO mode by initiating needed adjustments to the temperature, the fan speed and the air delivery system. The system may also supply cooler air to the side of the vehicle facing the sun. The recirculation mode will also be activated, as necessary. Do not cover the solar sensor located on the top of the instrument panel near the windshield or the system will not work properly. There is also a sensor located behind the front bumper. This sensor reads the outside air temperature and helps maintain the temperature inside the vehicle. The outside temperature will be displayed in the navigation system only when the engine is running. Any cover on the front of the vehicle could give a false reading of the temperature. 3-44 If the outside temperature goes up, the display temperature will not change until: The vehicle’s speed is above 10 mph (16 km/h) for ﬁve minutes. The vehicle’s speed is above 32 mph (51 km/h) for two and one-half minutes. These delays prevent false readings. If the temperature goes down, the outside temperature will be shown when you start the vehicle. If it has been turned off for less than three hours, the temperature will be recalled from the previous vehicle operation. There is also an inside temperature sensor located to the left of the ignition button. The automatic climate control system uses this sensor to receive information, so if you block or cover it, the system will not function properly. Defogging and Defrosting Fog on the inside of windows is a result of high humidity (moisture) condensing on the cool window glass. This can be minimized if the climate control system is used properly. There are two modes to clear fog or frost from your windshield. Use the ﬂoor/defog mode to clear the windows of fog or moisture and warm the passengers. Use defrost to remove fog or frost from the windshield more quickly. - (Floor/Defog): Press the mode button until the defog mode appears on the display. This mode directs the air between the windshield, ﬂoor outlets and side windows. When you select this mode, the system turns off recirculation and runs the air-conditioning compressor unless the outside temperature is near or below freezing. The recirculation mode cannot be selected while in the ﬂoor/defog mode. 1 (Defrost): Press this button to direct most of the air to the windshield, with some air directed to the side windows. In this mode, the system will automatically turn off the recirculation and run the air-conditioning compressor, unless the outside temperature is near or below freezing. Recirculation cannot be selected while in the defrost mode. Do not drive the vehicle until all the windows are clear. 3-45 (cid:127) (cid:127) Rear Window Defogger The rear window defogger uses a warming grid to remove fog or frost from the rear window. The rear window defogger will only work when the engine is running. = (Rear Window Defogger): Press this button to turn the rear window defogger on or off. Be sure to clear as much snow from the rear window as possible. The rear window defogger will turn off approximately 10 minutes after the button is pressed when traveling less than 30 mph (48 km/h). If turned on again, the defogger will only run for approximately ﬁve minutes before turning off. The defogger can also be turned off by pressing the button again or by turning off the engine. The heated outside rearview mirrors will heat to help clear fog or frost from the surface of the mirrors when the rear window defogger is on. The rear window defogger and heated mirrors are automatically disabled when the retractable hardtop is moving or down. Notice: Do not use anything sharp on the inside of the rear window. If you do, you could cut or damage the warming grid, and the repairs would not be covered by your warranty. Do not attach a temporary vehicle license, tape, a decal or anything similar to the defogger grid. 3-46 Outlet Adjustment Use the thumbwheel to open or close the outlets. Operation Tips (cid:127) Clear away any ice, snow or leaves from the air inlets at the base of the windshield that may block the ﬂow of air into your vehicle. (cid:127) Use of non-GM approved hood deﬂectors may adversely affect the performance of the system. (cid:127) Keep the area around the base of the instrument panel console and air path under the seats clear of objects to help circulate the air inside of your vehicle more effectively. Passenger Compartment Air Filter The passenger compartment air ﬁlter removes certain odor and particles from the air including pollen and dust particles. Reductions in airﬂow, which may occur more often in dusty areas, indicate that the ﬁlter may need to be replaced early. The ﬁlter should be replaced as part of the routine scheduled maintenance. See Scheduled Maintenance on page 7-4 for more information. To check or replace the air ﬁlter, do the following: 1. With the hood open, unlatch and remove the access panel. The passenger compartment air ﬁlter and access panel are located on the passenger’s side of the engine compartment near the battery. See Engine Compartment Overview on page 6-12 for more information on location. 2. Pull the old ﬁlter out of the housing. 3. Insert the new ﬁlter into the housing. The ﬁlter should be fully inserted with the arrows pointing up. 4. Reinstall the air ﬁlter access panel. 3-47 Warning Lights, Gages, and Indicators This part describes the warning lights and gages that may be on your vehicle. The pictures will help you locate them. Warning lights and gages can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying attention to your warning lights and gages could also save you or others from injury. Warning lights come on when there may be or is a problem with one of your vehicle’s functions. As you will see in the details on the next few pages, some warning lights come on brieﬂy when you start the engine just to let you know they are working. If you are familiar with this section, you should not be alarmed when this happens. Gages can indicate when there may be or is a problem with one of your vehicle’s functions. Often gages and warning lights work together to let you know when there is a problem with your vehicle. When one of the warning lights comes on and stays on when you are driving, or when one of the gages shows there may be a problem, check the section that tells you what to do about it. Please follow this manual’s advice. Waiting to do repairs can be costly — and even dangerous. So please get to know your warning lights and gages. They are a big help. Your vehicle may also have a Driver Information Center that works along with the warning lights and gages. See Driver Information Center (DIC) on page 3-64. 3-48 Instrument Panel Cluster Your instrument panel cluster and Driver Information Center (DIC) are designed to let you know at a glance how the vehicle is running. You will know how fast you are going, about how much fuel you have left and many other things you will need to know to drive safely and economically. The instrument panel cluster indicator warning lights, gages and DIC messages are explained on the following pages. United States shown, Canada similar 3-49 Speedometer and Odometer Your speedometer lets you see your speed in either miles per hour (mph) or kilometers per hour (km/h). There is only one scale for mph and km/h. Use the Driver Information Center (DIC) controls to switch between mph and km/h. See DIC Controls and Displays on page 3-64 for more information. The cluster will calculate the proper speed and move the needle to the correct position. Either the MPH or the km/h telltale will illuminate, depending on which measurement you choose. The odometer is part of the Driver Information Center (DIC). See DIC Controls and Displays on page 3-64 for more information. Trip Odometer The trip odometer is part of the Driver Information Center (DIC). See DIC Controls and Displays on page 3-64 for more information. Tachometer The tachometer displays the engine speed in thousands of revolutions per minute (rpm). Fuel will shut off at about 6700 rpm. If you continue to drive your vehicle at the fuel shut off rpm, you could damage your engine. Be sure to operate your vehicle below the fuel shut off rpm or reduce your rpm quickly when the fuel shuts off. Safety Belt Reminder Light When the ignition button is pressed to START, a chime will be provided for several seconds to remind people to buckle their safety belts. The driver safety belt light will also be provided and stay on for several seconds, then it will ﬂash for several more. You should buckle your seat belt. This chime and light will be repeated if the driver remains unbuckled and the vehicle is in motion. 3-50 If the driver’s belt is buckled, neither the chime nor the light will be provided. Airbag Readiness Light There is an airbag readiness light on the instrument panel, which shows a deployed airbag symbol. The system checks the airbag’s electrical system for malfunctions. The light tells you if there is an electrical problem. The system check includes the airbag modules, the wiring and the diagnostic module. For more information on the airbag system, see Airbag System on page 1-32. This light will come on when you start your vehicle, and it will ﬂash for a few seconds. Then the light should go out. This means the system is ready. If the airbag readiness light stays on after you start the vehicle or comes on when you are driving, your airbag system may not work properly. Have your vehicle serviced right away. {CAUTION: If the airbag readiness light stays on after you start your vehicle, it means the airbag system may not be working properly. The airbags in your vehicle may not inﬂate in a crash, or they could even inﬂate without a crash. To help avoid injury to yourself or others, have your vehicle serviced right away if the airbag readiness light stays on after you start your vehicle. The airbag readiness light should ﬂash for a few seconds when you turn the vehicle on. If the light does not come on then, have it ﬁxed so it will be ready to warn you if there is a problem. 3-51 Passenger Airbag Status Indicator Your rearview mirror has a passenger airbag status indicator. Passenger Airbag Status Indicator – United States Passenger Airbag Status Indicator – Canada When the vehicle is started, the passenger airbag status indicator will light ON and OFF, or the symbol for on and off, for several seconds as a system check. 3-52 Then, after several more seconds, the status indicator will light either ON or OFF, or either the on or off symbol to let you know the status of the passenger’s airbags. If the word ON or the on symbol is lit on the passenger airbag status indicator, it means that the passenger’s airbags are enabled (may inﬂate). {CAUTION: If the on indicator comes on when you have a rear-facing child restraint installed in the right front passenger’s seat, it means that the passenger sensing system has not turned off the passenger’s airbags. A child in a rear-facing child restraint can be seriously injured or killed if the right front passenger’s airbag inﬂates. This is because the back of the rear-facing child restraint would be very close to the inﬂating airbag. Do not use a rear-facing child restraint in the right front passenger’s seat if the airbag is turned on. {CAUTION: Even though the passenger sensing system is designed to turn off the passenger’s airbags if the system detects a rear-facing child restraint, no system is fail-safe, and no one can guarantee that an airbag will not deploy under some unusual circumstance, even though it is turned off. We recommend that rear-facing child restraints be transported in vehicles with a rear seat that will accommodate a rear-facing child restraint, whenever possible. If the word OFF or the off symbol is lit on the passenger airbag status indicator, it means that the passenger sensing system has turned off the passenger’s airbags. See Passenger Sensing System on page 1-40 for more on this, including important safety information. If, after several seconds, all status indicator lights remain on, or if there are no lights at all, there may be a problem with the lights or the passenger sensing system. See your dealer for service. {CAUTION: If the airbag off indicator and the airbag readiness light ever come on together, it means that something may be wrong with the airbag system. If this ever happens, have the vehicle serviced promptly, because an adult-size person sitting in the right front passenger seat may not have the protection of the airbags. See Airbag Readiness Light on page 3-51. 3-53 Voltmeter Gage When the vehicle is in accessory mode, the voltmeter shows the voltage output of your battery. When the engine is running, it shows the voltage output of the charging system. Brake System Warning Light Your vehicle’s hydraulic brake system is divided into two parts. If one part is not working, the other part can still work and stop you. For good braking, though, you need both parts working well. The reading will change as the rate of charge changes (with engine speed, for example), but if the voltmeter reads at 9 volts or below, your instrument panel cluster and other systems may shut down. The Driver Information Center (DIC) will read LOW VOLTAGE when your vehicle is at 10 volts or below. Have it checked right away. Driving with the voltmeter reading at 10 volts or below could drain your battery and disable your vehicle. United States Canada This light should come on when you start the engine. If it does not come on then, have it ﬁxed so it will be ready to warn you if there is a problem. If this warning light stays on after you start the engine, the parking brake may still be set or there could be a brake problem. Refer to Parking Brake on page 2-29 to see if it is set. If the parking brake is not set, have your brake system inspected right away. 3-54 If the light comes on while you are driving and you have a LOW BRAKE FLUID message showing on the DIC, pull off the road and stop carefully. You may notice that the pedal is harder to push. Or, the pedal may go closer to the ﬂoor. It may take longer to stop. If the light is still on, have the vehicle towed for service. See Towing Your Vehicle on page 5-37. {CAUTION: Your brake system may not be working properly if the brake system warning light is on. Driving with the brake system warning light on can lead to an accident. If the light is still on after you have pulled off the road and stopped carefully, have the vehicle towed for service. Anti-Lock Brake System Warning Light With the anti-lock brake system, the light will come on when your engine is started and may stay on for several seconds. That is normal. If the light stays on, turn the ignition off. Or, if the light comes on when you are driving, stop as soon as possible and turn the ignition off. Then start the engine again to reset the system. If the light still stays on, or comes on again while you are driving, your vehicle needs service. If the regular brake system warning light is not on, you still have brakes, but you do not have anti-lock brakes. If the regular brake system warning light is also on, you do not have anti-lock brakes and there is a problem with your regular brakes. See “Service ABS” under DIC Warnings and Messages on page 3-67. The anti-lock brake system warning light will come on brieﬂy when you turn the ignition on. This is normal. If the light does not come on then, have it ﬁxed so it will be ready to warn you if there is a problem. 3-55 Traction Control System (TCS) Warning Light This light should come on brieﬂy as you start the engine. If the light does not come on then, have it ﬁxed so it will be ready to warn you if there is a problem. The light will also come on while the StabiliTrak® system warms up and the STABILITRAK WARMING message will be displayed in the Driver Information Center (DIC). If it stays on, or comes on and the DIC shows a SERVICE TRACTION SYS message when you are driving, there is a problem with your TCS and your vehicle needs service. When this light is on, the system will not limit wheel spin. Adjust your driving accordingly. If the driver turns off TCS by pressing the button on the console, the TCS system light will come on and the TRACTION SYSTEM-OFF message will show on the DIC. If the light stays on or comes on while you are driving, a chime sounds and a SERVICE STABILITRAK message appears on the DIC, there is a problem with your StabiliTrak® and the vehicle needs service. 3-56 You can acknowledge this message by pressing the RESET button. When the SERVICE STABILITRAK message is displayed, the StabiliTrak® system will not assist you in controlling the vehicle. You should have the system serviced as soon as possible. Adjust your driving accordingly. When the system is working, you will see the STABILITRAK ACTIVE message displayed in the DIC. You may also feel of hear the system working. This is normal. If you turn off the StabiliTrak® system, by pressing the front part of the button on the console for ﬁve seconds, the traction control system light will come on, a chime will sound and the TRAC/STABILITRAK OFF message will be displayed in the DIC. The Traction Control System will also be turned off. See DIC Warnings and Messages on page 3-67 for more information. If the StabiliTrak® system and Traction Control System are turned off, pressing the console button momentarily will turn both systems on. The DIC will display the TRAC/STABILITRAK ON message, the instrument cluster light will be off and a chime will sound. See DIC Warnings and Messages on page 3-67 for more information. Engine Coolant Temperature Gage Tire Pressure Light This light should come on brieﬂy as you start the engine. It will then come on only when a ﬂat or low tire pressure condition exists. See Tire Pressure Monitor System on page 6-55 for more information. United States Canada This gage shows the engine coolant temperature. As the pointer nears 260°F (125°C), your engine coolant temperature is high. A message may display on the Driver Information Center (DIC) depending on how high the temperature is. See DIC Warnings and Messages on page 3-67 for more information. See Engine Overheating on page 6-23 for more information. 3-57 Notice: Modiﬁcations made to the engine, transmission, exhaust, intake, or fuel system of your vehicle or the replacement of the original tires with other than those of the same Tire Performance Criteria (TPC) can affect your vehicle’s emission controls and may cause this light to come on. Modiﬁcations to these systems could lead to costly repairs not covered by your warranty. This may also result in a failure to pass a required Emission Inspection/Maintenance test. See Accessories and Modiﬁcations on page 6-3. This light should come on brieﬂy, as a check to show you it is working, as you start the engine. If the light does not come on, have it repaired. This light will also come on during a malfunction in one of two ways: Light Flashing — A misﬁre condition has been detected. A misﬁre increases vehicle emissions and may damage the emission control system on your vehicle. Diagnosis and service may be required. Light On Steady — An emission control system malfunction has been detected on your vehicle. Diagnosis and service may be required. Malfunction Indicator Lamp Check Engine Light Your vehicle is equipped with a computer which monitors operation of the fuel, ignition, and emission control systems. This system is called OBD II (On-Board Diagnostics-Second Generation) and is intended to assure that emissions are at acceptable levels for the life of the vehicle, helping to produce a cleaner environment. The Check Engine light comes on to indicate that there is a problem and service is required. Malfunctions often will be indicated by the system before any problem is apparent. This may prevent more serious damage to your vehicle. This system is also designed to assist your service technician in correctly diagnosing any malfunction. Notice: light on, after awhile, your emission controls may not work as well, your fuel economy may not be as good, and your engine may not run as smoothly. This could lead to costly repairs that may not be covered by your warranty. If you keep driving your vehicle with this 3-58 (cid:127) (cid:127) If the Light Is Flashing The following may prevent more serious damage to your vehicle: (cid:127) Reducing vehicle speed (cid:127) Avoiding hard accelerations (cid:127) Avoiding steep uphill grades If the light stops ﬂashing and remains on steady, see “If the Light Is On Steady” following. If the light continues to ﬂash, when it is safe to do so, stop the vehicle. Find a safe place to park your vehicle. Turn the engine off, wait at least 10 seconds and restart the engine. If the light remains on steady, see “If the Light Is On Steady” following. If the light is still ﬂashing, follow the previous steps, and see your dealer for service as soon as possible. If the Light Is On Steady You also may be able to correct the emission system malfunction by considering the following: Did you recently put fuel into your vehicle? If so, reinstall the fuel cap, making sure to fully install the cap. See Filling the Tank on page 6-7. The diagnostic system can determine if the fuel cap has been left off or improperly installed. A loose or missing fuel cap will allow fuel to evaporate into the atmosphere. A few driving trips with the cap properly installed should turn the light off. Did you just drive through a deep puddle of water? If so, your electrical system may be wet. The condition will usually be corrected when the electrical system dries out. A few driving trips should turn the light off. Have you recently changed brands of fuel? If so, be sure to fuel your vehicle with quality fuel. See Gasoline Octane on page 6-5. Poor fuel quality will cause your engine not to run as efficiently as designed. You may notice this as stalling after start-up, stalling when you put the vehicle into gear, misﬁring, hesitation on acceleration, or stumbling on acceleration. (These conditions may go away once the engine is warmed up.) This will be detected by the system and cause the light to turn on. If you experience one or more of these conditions, change the fuel brand you use. It will require at least one full tank of the proper fuel to turn the light off. If none of the above steps have made the light turn off, your dealer can check the vehicle. Your dealer has the proper test equipment and diagnostic tools to ﬁx any mechanical or electrical problems that may have developed. 3-59 Emissions Inspection and Maintenance Programs Some state/provincial and local governments have or may begin programs to inspect the emission control equipment on your vehicle. Failure to pass this inspection could prevent you from getting a vehicle registration. Here are some things you need to know to help your vehicle pass an inspection: Your vehicle will not pass this inspection if the Check Engine light is on or not working properly. To perform a Check Engine light bulb check with the keyless ignition, make sure the transmitter fob is in the passenger compartment. See Ignition Positions on page 2-21. Press the bottom of the ACC button on the instrument panel and hold the button down for ﬁve seconds. The instrument panel, including the Check Engine light, will light up and the ignition will be on, but the engine will not start — if you press the bottom of the ACC button only brieﬂy, less than ﬁve seconds, the accessory mode will be turned on, but not the ignition. After the bulb check, be sure to press and release the ACC button again to turn the ignition off and avoid draining the vehicle’s battery. Your vehicle will not pass this inspection if the OBD (on-board diagnostic) system determines that critical emission control systems have not been completely diagnosed by the system. The vehicle would be considered not ready for inspection. This can happen if you have recently replaced your battery or if your battery has run down. The diagnostic system is designed to evaluate critical emission control systems during normal driving. This may take several days of routine driving. If you have done this and your vehicle still does not pass the inspection for lack of OBD system readiness, your GM dealer can prepare the vehicle for inspection. 3-60 Engine Oil Pressure Gage United States Canada The engine oil pressure gage shows the engine oil pressure in psi (pounds per square inch) or kPa (kilopascals) when the engine is running. Oil pressure should be 20 to 80 psi (140 to 550 kPa). In certain situations such as long, extended idles on hot days, it could read as low as 6 psi (40 kPa) and still be considered normal. It may vary with engine speed, outside temperature and oil viscosity. The Driver Information Center (DIC) may display messages regarding the oil condition. See DIC Warnings and Messages on page 3-67 and Engine Oil on page 6-13. {CAUTION: Do not keep driving if the oil pressure is low. If you do, your engine can become so hot that it catches ﬁre. You or others could be burned. Check your oil as soon as possible and have your vehicle serviced. Notice: Lack of proper engine oil maintenance may damage the engine. The repairs would not be covered by your warranty. Always follow the maintenance schedule in this manual for changing engine oil. 3-61 Security Light Lights On Reminder For information regarding this light, see Theft-Deterrent Systems on page 2-18. This light comes on whenever the headlamps are on. Fog Lamp Light The fog lamps light will come on when the fog lamps are in use. United States Only Highbeam On Light This light will come on when the high-beam headlamps are in use. The light will go out when the fog lamps are turned off. See Fog Lamps on page 3-31 for more information. See Headlamp High/Low-Beam Changer on page 3-8. 3-62 Fuel Gage Your fuel gage tells you about how much fuel you have left when the ignition is on. When the needle approaches the low fuel symbol, LOW FUEL will appear on the Driver Information Center (DIC) display. At this time, you still have a little fuel left, but you should get more soon. Press RESET to acknowledge a DIC message(s). Pressing RESET will also turn off a DIC message but the LOW FUEL message will come on again in 10 minutes if you have not added fuel to the vehicle. Here are ﬁve things that some owners ask about. All these things are normal and do not indicate that anything is wrong with the fuel gage. (cid:127) At the gas station, the gas pump shuts off before the gage reads the full symbol. It takes more (or less) fuel to ﬁll up than the gage reads. For example, the gage reads half full, but it took more (or less) than half of the tank’s capacity to ﬁt it. The gage pointer may move while cornering, braking or speeding up. The gage may not indicate the tank is empty when the ignition is turned off. The gage reading may change slightly within the ﬁrst several minutes after starting the vehicle. 3-63 (cid:127) (cid:127) (cid:127) (cid:127) You can use the Driver Information Center (DIC) to display more detailed fuel information. While scrolling through the DIC, you will also ﬁnd: (cid:127) AVERAGE XX.X MPG (Average Miles Per Gallon): The fuel economy calculated for the last 20 gallons (76 L) of fuel used, or since you last reset the display. INST XX.X MPG (Instantaneous Miles Per Gallon): The fuel economy calculated for your current driving conditions. (cid:127) RANGE XXX MI: The approximate distance you can drive before refueling. See DIC Controls and Displays on page 3-64 for more information. You should reset the fuel information display every time you refuel. To reset AVERAGE, use the information up or down button to scroll to AVE FUEL ECON and hold the reset button. RANGE will automatically reset. Driver Information Center (DIC) This display gives you the status of many of your vehicle’s systems. The DIC is also used to display driver personalization features and warning/status messages. All messages will appear in the DIC display, located at the bottom of the instrument panel cluster. DIC Controls and Displays The Driver Information Center (DIC) buttons are located to the right of the steering wheel on the instrument panel, near the air outlets. 3-64 (cid:127) « 4 ª (Information): Press the top or bottom of this button to scroll through the available features which include the odometer, trip odometers, fuel range, miles per gallon, average speed, timer, tire pressure, and remaining oil life. + (Interior Lamps): Press this button to turn the interior lamps on and off. OPTIONS: Press this button to choose personal options that are available on your vehicle. RESET: Press this button to reset a feature. It is also used to switch between English and Metric options. Use the information button to scroll through the following options: ODOMETER: This feature shows how far the vehicle has been driven in either miles (mi) or kilometers (km). Use the ENG/METRIC feature to switch between English and Metric units. TRIP A: This feature will record the distance traveled since the last time it was reset. Press and hold the RESET button to return to zero. If your vehicle is ﬁrst sold in the United States, the trip odometer will return to zero after 999.9 miles (1 609 km). If your vehicle is ﬁrst sold in Canada, the trip odometer will return to zero after 1,242 miles (1 999 km). TRIP B: This feature allows you to record the distance traveled during a second trip and functions the same as TRIP A. RANGE xxx MI: This feature shows about how many miles (mi) or kilometers (km) you can drive without reﬁlling your fuel tank. Once the range drops below 40 miles (64 km) remaining, the display will show LOW. If the vehicle has been idling for a long time, the range displayed on the DIC could be abnormally low. The vehicle must be driven 5-10 miles (8-16 km) to get an accurate reading. AVERAGE xx.x MPG (Average Miles Per Gallon): This feature shows the approximate fuel economy the vehicle has averaged since the last time the value was reset. To reset the average miles per gallon, press the information button to display AVERAGE xx.x MPG, then press and hold the RESET button until AVERAGE 00.0 MPG is displayed. INST xx.x MPG (Instantaneous Miles Per Gallon): This feature shows the instantaneous fuel economy which varies with your driving conditions, such as acceleration, braking, and the grade of the road being traveled. The RESET button does not function in this mode. 3-65 AVERAGE SPEED: This feature shows the average speed the vehicle has traveled since the last time the value was reset. To reset the value, press the information button to display AVERAGE SPEED, then press and hold the RESET button until AVERAGE SPEED 00.0 is displayed. ELAPSED TIME: This feature is like a stopwatch, in that you can clock the time it takes to get from one point to another. To operate, press the information button to display ELAPSED TIME. Each of the ﬁelds for the hours, minutes, and seconds are two numeric digits. Once ELAPSED TIME 00:00:00 is displayed, press the RESET button to start the timing feature. Press the RESET button again to stop it. If you will be starting and stopping your vehicle, during a trip for instance, the ELAPSED TIME feature will automatically start timing where it left off when you last stopped. To reset it, press and hold the RESET button until the display reads ELAPSED TIME 00:00:00. Press the information button to exit from the ELAPSED TIME display. FRONT Lxx Rxx PSI: This feature shows the tire pressure for the front left and right tires. REAR Lxx Rxx PSI: This feature shows the tire pressure for the rear left and right tires. OIL LIFE: This feature shows the estimated oil life remaining. See Oil Life Indicator on page 3-82 for more information. To reset the engine oil life system, see Engine Oil Life System on page 6-16. This only needs to be reset after you have had the oil changed. In addition to the engine oil life system monitoring oil life, additional maintenance is recommended in the Maintenance Schedule in this manual. See Scheduled Maintenance on page 7-4 and Engine Oil on page 6-13 for more information. ENG/METRIC (English/Metric): This feature allows you to switch the DIC displays between English and Metric. Press the RESET button to switch the display between English and Metric. There will be an arrow next to the option that is selected. 3-66 DIC Warnings and Messages These messages will appear if there is a problem detected in one of your vehicle’s systems. You must then press RESET to clear the display screen for further use. However, be sure to take any message that appears on the display screen seriously and remember that pressing the RESET button will only make the message disappear, not the problem. DIC messages can also be displayed in English, French, German, Italian, and Spanish. ABS (Anti-Lock Brake System) ACTIVE: When your anti-lock system is adjusting brake pressure to help avoid a braking skid, the ABS ACTIVE message will be displayed. Slippery road conditions may exist if this message is displayed, so adjust your driving accordingly. The message may stay on for a few seconds after the system stops adjusting brake pressure. BATTERY SAVER ACTIVE: This message is displayed when the vehicle has detected that the battery voltage is dropping beyond a reasonable point. The battery saver system will start reducing certain features of the vehicle that you may not be able to notice. At the point that features are disabled, this message is displayed. It means that the vehicle is trying to save the charge in the battery. Turn off unnecessary accessories to allow the battery to recharge. BUCKLE PASSENGER: This message reminds you to buckle the passenger’s seat belt. This message will display and a chime will sound when the ignition is on, the driver’s seat belt is buckled, the passenger’s seat belt is unbuckled with the passenger airbag enabled, and the vehicle is in motion. You should have the passenger buckle their seat belt. The reminder will be repeated if the ignition is on, the vehicle is in motion, the driver is buckled and the passenger is still unbuckled, and the passenger airbag is enabled. If the passenger’s seat belt is already buckled, this message and chime will not come on. 3-67 BUCKLE SEAT BELT: This message reminds you to buckle the driver’s seat belt. This message will display and a chime will sound when the ignition is on, the driver’s seat belt is unbuckled, and the vehicle is in motion. You should buckle your seat belt. If the driver remains unbuckled when the ignition is on and the vehicle is in motion, the reminder will be repeated. If the driver’s seat belt is already buckled, this message and chime will not come on. This message is an additional reminder to the Safety Belt Reminder Light in the instrument panel cluster. See Safety Belt Reminder Light on page 3-50 for more information. CHANGE OIL NOW: This means that the life of the engine oil has expired. See Scheduled Maintenance on page 7-4. After an oil change, the Oil Life Indicator must be reset. See Oil Life Indicator on page 3-82 and Engine Oil Life System on page 6-16. CHARGE SYSTEM FAULT: This message will display when a problem with the charging system has been detected. Have your vehicle serviced by your GM dealer. CHECK GAS CAP: This message will appear if the gas cap has not been fully tightened. You should recheck your gas cap to ensure that it is on properly. CLEAN RADAR CRUISE: This message indicates the Adaptive Cruise Control (ACC) system is disabled because the radar is blocked and cannot detect vehicles in your path. It may also activate during heavy rain or due to road spray. To clean the system, see “Adaptive Cruise Control (ACC)” under Turn Signal/Multifunction Lever on page 3-7. CLOSE CARGO DIVIDER: This message indicates that the cargo divider is not in place. Open the trunk and make sure the cargo divider is secure and no objects are on the divider. See Rear Storage Area on page 2-45 for more information. COOLANT OVER TEMP (Temperature): This message will appear when the engine coolant temperature is too hot. Stop and allow your vehicle to idle in PARK (P) until it cools down and the message is removed. Do not increase engine speed above a normal idle. If it does not cool down, turn off the engine and have it serviced by your GM dealer before driving it again. Severe engine damage can result from an overheated engine. See Engine Overheating on page 6-23. 3-68 CRUISE NOT READY: This message indicates that ACC will not activate due to a temporary condition. Your vehicle does not require service. If this message appears when you attempt to activate the system, continue driving for several minutes then try again to activate the system. DRIVER NO. X (1 OR 2): This message will be displayed when the vehicle is started or when there is a change of driver. The message will show which driver is activating the personalization feature. It will only stay on for ﬁve seconds. ENGINE HOT, STOP ENGINE: This message will appear when the engine has overheated. Stop and turn the engine off immediately to avoid severe engine damage. See Engine Overheating on page 6-23. A multiple chime will also sound when this message is displayed. ENGINE PROTECTION REDUCE ENGINE RPM: If this message appears, the control system has determined that continued operation at the existing engine speed may lead to engine overheating. Therefore, you should lower the engine speed by upshifting the transmission or drive at a lower speed. HEADLAMPS SUGGESTED: If it is dark enough outside and the headlamps and Twilight Sentinel® controls are off, this message will display on the DIC. This message informs the driver that turning on the exterior lamps is recommended. It has become dark enough outside to require the headlamps and/or other exterior lamps. This message will also appear if the optional Rainsense™ wiping feature is on and the Twilight Sentinel® is off. HIGH TRANS (Transmission) TEMP (Temperature): This message indicates that the transmission ﬂuid in your vehicle is too hot. Stop and allow your vehicle to idle until it cools down or until this message is removed. HIGH VOLTAGE: This message shows that the electrical charging system is overcharging. To avoid being stranded, have the electrical system checked by your GM dealer. You can reduce the charging overload by using the accessories. Turn on the lamps and radio, set the climate control on AUTO and the fan speed on HI, and turn the rear window defogger on. You can monitor battery voltage on the DIC by pressing the information button. The normal range is 11.5 to 15.5 volts when the engine is running. 3-69 HOT ENGINE–A/C OFF: This message displays when the engine coolant becomes hotter than the normal operating temperature. To avoid added strain on a hot engine, the air conditioning compressor is automatically turned off. When the coolant temperature returns to normal, the A/C operation will automatically resume. You can continue to drive your vehicle. If this message continues to appear, have the system repaired by your GM dealer as soon as possible to avoid compressor damage. ICE POSSIBLE: This message appears when the outside air temperature is cold enough to create icy road conditions. LEFT DOOR AJAR: This message will display anytime the vehicle engine is running, the transmission is not in PARK (P) and the driver’s door is open or ajar. A chime will sound when the vehicle’s speed is greater than 3 mph (4.8 km/h). LOW BRAKE FLUID: This message will display if the vehicle is running to inform the driver that the brake ﬂuid level is low. Have the brake system serviced by your GM dealer as soon as possible. See “Brake Fluid” under Brakes on page 6-33. LOW COOLANT: This message will appear when there is a low level of engine coolant. Have the cooling system serviced by your GM dealer as soon as possible. See Engine Coolant on page 6-20. LOW FUEL: This message will appear when the fuel supply is less than 5 gallons (18.9 L) and the display is turned off. A single chime will also sound when this message is displayed. LOW OIL LEVEL: For correct operation of the low oil sensing system, your vehicle should be on a level surface. A false LOW OIL LEVEL message may appear if the vehicle is parked on a grade. The oil level sensing system does not check for actual oil level if the engine has been off for a short period of time, and the oil level is never checked while the engine is running. If the LOW OIL LEVEL message appears, and your vehicle has been parked on level ground with the engine off for at least 30 minutes, the oil level should be checked by observing the oil dipstick. Prior to checking the oil level, be sure the engine has been off for a few minutes and your vehicle is on a level surface. Then check the dipstick and add oil if necessary. See Engine Oil on page 6-13. 3-70 LOW OIL PRESSURE: If this message appears while the engine is running, stop the engine and do not operate it until the cause of low oil pressure is corrected. Severe damage to the engine can result. A multiple chime will sound when this message is displayed. To help the generator recharge the battery quickly, you can reduce the load on the electrical system by turning off the accessories. You can monitor battery voltage on the DIC by pressing the INFO button. The normal range is 11.5 to 15.5 volts. LOW VOLTAGE: This message will appear when the electrical system is charging less than 10 volts or if the battery has been drained. If this message appears immediately after starting, it is possible that the generator can still recharge the battery. The battery should recharge while driving but may take a few hours to do so. Consider using an auxiliary charger to boost the battery after returning home or to a ﬁnal destination. Be sure to follow the manufacturer’s instructions. If this message appears while driving or after starting your vehicle and stays on, have it checked immediately by your GM dealer to determine the cause of this problem. LOW WASHER FLUID: This message means that your vehicle is low on windshield washer ﬂuid. See Windshield Washer Fluid on page 6-32. MAX (Maximum) SPEED XX MPH (XX KM/H): A failure in the magnetic ride control system has occurred when this message appears. The Powertrain Control Module (PCM) determines the speed to which your vehicle is limited. Have your vehicle serviced by your GM dealer if this message appears. 3-71 NO FOB DETECTED: This message is displayed if the vehicle does not detect the presence of a keyless access transmitter when you have attempted to start the vehicle or a vehicle door has just closed. The following conditions may cause this message to appear: (cid:127) Driver-added equipment plugged into the accessory power outlet on the center console is causing interference. Examples of these devices are cell phones and cell phone chargers, two-way radios, power inverters, or similar items. Try moving the keyless access transmitter away from these devices when starting the vehicle. In addition, PDA devices and remote garage and gate openers may also generate Electromagnetic Interference (EMI) that may interfere with the keyless access transmitter. Do not carry the keyless access transmitter in the same pocket or bag as these devices. 3-72 The vehicle is experiencing Electromagnetic Interference (EMI). Some locations, such as airports, automatic toll booths, and some gas stations, have EMI ﬁelds which may interfere with your keyless access transmitter. If moving the transmitter to different locations within the vehicle does not help, place the transmitter in the glove box transmitter pocket with the buttons facing to the right and then press the START button. (cid:127) NO FOB, OFF OR RUN?: When this message displays, it means that the keyless access transmitter is not detected inside the vehicle while you are trying to turn the ignition off. Your vehicle may be near a strong radio antenna signal causing the keyless access system to be jammed. The vehicle will remain in ACC until off or START has been pressed or ﬁve minutes has expired. If you turn the ignition off and you cannot ﬁnd the keyless access transmitter, you will not be able to restart the vehicle. The keyless access transmitter needs to be inside of the vehicle in order for the vehicle to start. See Starting the Engine on page 2-22 for more information. OVER SPEED WARNING: This message is displayed when the vehicle speed exceeds a certain limit as required by some export countries. A chime will sound when this message is displayed. PRESS BRAKE TO START: The brake pedal must be applied to start the vehicle. Make sure you are pressing the brake pedal all the way down. REDUCED ENGINE POWER: This message informs you that the vehicle is reducing engine power because the transmission is being placed in gear under conditions that may cause damage to the vehicle’s engine, transmission, or ability to accelerate. RIGHT DOOR AJAR: The passenger’s door is open or ajar when this message appears. The vehicle must be running and the transmission not in PARK (P) for this message to display. A chime will sound if the vehicle’s speed is greater than 3 mph (5 km/h). SERVICE A/C: This message appears when the electronic sensors that control the air conditioning and heating systems are no longer working. Have the climate control system serviced by your GM dealer if you notice a drop in heating and air conditioning efficiency. SERVICE ABS (Anti-Lock Brake System): If the SERVICE ABS message is displayed when you are driving, stop as soon as possible and turn the ignition off. Then start the engine again to reset the system. If the message stays on, or comes back on again while you are driving, your vehicle is in need of service. See your GM dealer. If the SERVICE ABS message is being displayed, your Traction Control System and StabiliTrak® System will also be disabled. The Driver Information Center will scroll three messages: SERVICE ABS, SERVICE TRACTION SYS and SERVICE STABILITRAK, and the anti-lock brake system and traction control warning lights on the instrument panel cluster will be illuminated. See Anti-Lock Brake System Warning Light on page 3-55 and Traction Control System (TCS) Warning Light on page 3-56. The driver can acknowledge these messages by pressing the RESET button three times. 3-73 When the service message is displayed, the computer controlled systems will not assist the driver and you should have the system repaired by your GM dealer as soon as possible. Adjust your driving accordingly. SERVICE TRACTION SYS (System): This message indicates there is a problem with the Traction Control System (TCS). Have your vehicle serviced by your GM dealer. SERVICE AFS LAMPS: This message indicates that the Adaptive Forward Lighting System (AFS) is disabled and needs service. See your GM dealer. See Adaptive Forward Lighting System on page 3-31 for more information. SERVICE ELECT (Electrical) SYSTEM: This message will display if an electrical problem has occurred within the Powertrain Control Module (PCM). Have your vehicle serviced by your GM dealer. SERVICE FUEL SYSTEM: The Powertrain Control Module (PCM) has detected a problem within the fuel system when this message appears. Have your vehicle serviced by your GM dealer. This message will also be displayed when the cluster is not getting fuel information from the PCM. SERVICE RADAR CRUISE: This message indicates that the Adaptive Cruise Control (ACC) system is disabled and needs service. See your GM dealer. SERVICE RIDE CONTROL: This message indicates there is a problem with the Magnetic Ride Control System. Have your vehicle serviced by your GM dealer. SERVICE STABILITRAK: If this message appears, it means there may be a problem with your stability enhancement system. If you see this message, try to reset the system. Stop, turn off the engine, then start the engine again. If the SERVICE STABILITRAK message still comes on, it means there is a problem. You should see your GM dealer for service. Reduce your speed and drive accordingly. A single chime will also sound when this message is displayed. SERVICE TRANSMISSION: This message indicates that there is a problem with the transmission. Have your vehicle serviced by your GM dealer. SERVICE VEHICLE SOON: This message is displayed when a non-emissions related powertrain malfunction occurs. Have your vehicle serviced by your GM dealer as soon as possible. SHIFT TO PARK: This message indicates that the vehicle is not in PARK (P) when the engine is being turned off. The vehicle will be in accessory mode. Once the shifter is moved to PARK (P), the vehicle will turn off. 3-74 STABILITRAK ACTIVE: You may see the STABILITRAK ACTIVE message on the DIC. It means that an advanced, computer-controlled system has come on to help your vehicle continue to go in the direction in which you are steering. This stability enhancement system activates when the computer senses that your vehicle is just starting to spin, as it might if you hit a patch of ice or other slippery spot on the road. When the system is on, you may hear a noise or feel a vibration in the brake pedal. This is normal. When the STABILITRAK ACTIVE message is on, you should continue to steer in the direction you want to go. The system is designed to help you in bad weather or other difficult driving situations by making the most of whatever road conditions will permit. If the STABILITRAK ACTIVE message comes on, you will know that something has caused your vehicle to start to spin, so you should consider slowing down. A single chime will also sound when this message is displayed. STABILITRAK READY: If this message appears and a chime sounds, the system has completed the functional check of the StabiliTrak® System. STABILITRAK WARMING: When you ﬁrst start your vehicle and drive away, especially during cold winter weather, the STABILITRAK WARMING message may be displayed in the DIC along with a chime and the traction control warning light. This is normal. You can acknowledge this message by pressing the RESET button. The StabiliTrak® performance is affected until the STABILITRAK READY message is displayed in the DIC, which can take up to 15 minutes. SVC (Service) TIRE MONITOR: If this message comes on, a part on the Tire Pressure Monitor (TPM) is not working properly. If you drive your vehicle while any of the four sensors are missing or inoperable, the warning will come on in approximately 10 minutes. If all four sensors are missing, the warning will come on in approximately 15 to 20 minutes. All the sensors would be missing, for example, if you put different wheels on your vehicle without transferring the sensors. If the warning comes on and stays on, there may be a problem with the TPM. See your GM dealer. TOO COLD TO MOVE TOP: This message will display when the retractable hardtop button is pressed and the hardtop pump motor temperature is below −4°F (−20°C). Wait for the hardtop pump motor to warm up before using the retractable hardtop. 3-75 TOP INOP (Inoperative) – VALET ON: This message will display when the retractable hardtop button is pressed and the valet switch is on. Turn off the valet switch before using the retractable hardtop. TRAC (Traction)/STABILITRAK OFF: This message indicates that both the Traction Control System (TCS) and StabiliTrak® are off. The message will remain until the systems are turned on again. TOP INOP (Inoperative) OUT OF PARK: This message will display if the retractable hardtop button is pressed while the vehicle is not in PARK (P). TRAC (Traction)/STABILITRAK ON: This message indicates that both the Traction Control System (TCS) and the StabiliTrak® are on. TOP MOTOR OVER TEMP (Temperature): This message will display when the retractable hardtop button is pressed and the hardtop pump motor temperature is over 221°F (105°C). Wait for the hardtop pump motor to cool down before using the retractable hardtop. TOP NOT SECURE: This message will display when the retractable hardtop button is released before the top open or close operation is complete. Press and hold the retractable hardtop button to fully open or close the top. TRAC (Traction) SYSTEM ACTIVE: When your traction control system is limiting wheel spin, the TRACTION SYSTEM ACTIVE message will be displayed. Slippery road conditions may exist if this message is displayed, so adjust your driving accordingly. This message will stay on for a few seconds after the traction control system stops limited wheel spin. TRACTION SYSTEM OFF: This message indicates that the Traction Control System (TCS) is off but StabiliTrak® remains on. TRACTION SYSTEM ON: This message indicates that the Traction Control System (TCS) is on. TRUNK AJAR: This message indicates that the trunk is open while the vehicle is running and not in PARK (P). WAIT FOR STABILITRAK: This message will be displayed after driving 19 mph (30 km/h) for 10 seconds if the steering is not centered. StabiliTrak® is not available until the steering centers itself and the STABILITRAK READY message is displayed in the DIC. 3-76 Other Messages Here are more messages that you can receive on your Driver Information Center (DIC). To acknowledge a message and read another message that may have come on at the same time, press the RESET button. (cid:127) ACCESSORY MODE ON (cid:127) CHANGE OIL SOON (See Engine Oil on page 6-13 and Engine Oil Life System on page 6-16.) FOB BATTERY LOW (cid:127) HIGH TIRE PRESS LF (cid:127) HIGH TIRE PRESS RF (cid:127) HIGH TIRE PRESS LR (cid:127) HIGH TIRE PRESS RR INTRUSION SENSOR OFF INTRUSION SENSOR ON (cid:127) KNOWN FOB LEFT FRONT TIRE FLAT MAX SPD 55, REDUCED HNDLG LEFT REAR TIRE FLAT MAX SPD 55, REDUCED HNDLG LOW TIRE PRESS LF LOW TIRE PRESS RF LOW TIRE PRESS LR LOW TIRE PRESS RR (cid:127) MAX # FOBS LEARNED (cid:127) OFF-ACC TO LEARN (cid:127) READY FOR FOB #X (cid:127) RIGHT FRT TIRE FLAT MAX SPD 55, REDUCED HNDLG (cid:127) RIGHT REAR TIRE FLAT MAX SPD 55, REDUCED HNDLG (cid:127) WAIT XX MINUTES 3-77 (cid:127) (cid:127) (cid:127) (cid:127) (cid:127) (cid:127) (cid:127) (cid:127) (cid:127) DIC Vehicle Personalization Your vehicle is equipped with personalization capabilities that allows you to program certain features to a preferred setting for up to two drivers. The back of the keyless access transmitters are labelled 1 or 2. The current driver’s preferences are recalled when one of the following occurs: The lock or unlock button on the keyless access transmitter, programmed as 1 or 2, is pressed. The appropriate memory button, 1 or 2, located on the driver’s seat is pressed. See Memory Seat, Mirrors and Steering Wheel on page 2-56 for more information. (cid:127) A valid keyless access transmitter is detected upon opening the driver’s door. If more than one valid keyless access transmitter is detected upon opening the driver’s door, the driver preferences for the lowest driver number will be recalled. If a keyless access transmitter is programmed as #3 or #4, the personalization system will not recognize the transmitter. The Driver Information Center (DIC) will not display a current driver number and the features that are normally programmed through the DIC will be set to the default states. Also, if the OPTIONS button is pressed, the DIC does not display the menus used to set personalizations, but instead displays OPTIONS UNAVAILABLE for a few seconds. Feature Programming To change feature preferences, make sure the vehicle is running and in PARK (P). Press the OPTIONS button and the Driver Information Center (DIC) will display the current driver for a few seconds, then display the ﬁrst personalization menu item. You can now use the OPTIONS button to change the setting of the displayed feature. Press the top or bottom of the information button to scroll up or down the list of features. When you get to a feature you want to change, press the OPTIONS button again. When you are ﬁnished, press the RESET button to exit the personalization menu. If no button is pressed within 45 seconds, the DIC will exit the personalization menu. The following are DIC options that will be available in the personalization menu. Auto Recall This feature allows the steering column, outside mirrors and the driver’s seat to automatically move to the current driver’s set position when the engine starts. The DIC will display AUTO RECALL OFF or AUTO RECALL ON. Press the OPTIONS button to change the setting. 3-78 (cid:127) (cid:127) Auto Exit Recall This feature allows the steering column and driver’s seat to automatically move to the current driver’s exit position when one of the following occurs: The vehicle is turned off or in RAP or accessory mode and the driver’s door is opened. The vehicle is turned off or in RAP and the unlock button on the keyless access transmitter is pressed. The DIC will display AUTO EXIT RECALL OFF or AUTO EXIT RECALL ON. Press the OPTIONS button to change the setting. Approach Lights This feature activates the parking lamps, front fog lamps and back-up lamps during low light periods when the unlock button on the keyless access transmitter is pressed, both doors are closed and the vehicle is off or in RAP. The lamps remain on for 20 seconds or until a door is opened, the lock button on the keyless access transmitter is pressed or the vehicle is no longer off or in RAP. The DIC will display APPROACH LIGHTS OFF or APPROACH LIGHTS ON. Press the OPTIONS button to change the setting. Exit Lights This feature activates the parking lamps and front fog lamps for 15, 30 or 90 seconds. This will occur when the vehicle is off or in RAP and the headlamps are on due to the automatic headlamp system. The parking lamps and front fog lamps will remain on until the driver selected time period expires, the exterior lamp control is activated or the vehicle is no longer off or in RAP. The DIC will display EXIT LIGHTS OFF, EXIT LIGHTS - 15 SEC, EXIT LIGHTS - 30 SEC or EXIT LIGHTS - 90 SEC. Press the OPTIONS button to change the setting. Flash at Unlock This feature activates the front and rear turn signals for two short ﬂashes when the unlock or trunk button on the keyless access transmitter is pressed or when OnStar® unlocks the doors. This will only occur when the vehicle is off. The DIC will display NO FLASH AT UNLOCK or FLASH AT UNLOCK. Press the OPTIONS button to change the setting. 3-79 (cid:127) (cid:127) Flash at Lock This feature activates the front and rear turn signals for one long ﬂash when the lock button on the keyless access transmitter is pressed. This will only occur when the vehicle is off. If the lock button is pressed again within ﬁve seconds, the horn will sound regardless of which setting you have selected. The DIC will display NO FLASH AT LOCK or FLASH AT LOCK. Press the OPTIONS button to change the setting. FOB Reminder This feature sounds the horn three times when the driver door is closed and there is a keyless access transmitter inside the interior of the vehicle. This will only occur when the vehicle is off. The DIC will display FOB REMINDER OFF or FOB REMINDER HORN. Press the OPTIONS button to change the setting. Passive Locking This feature allows you to select whether the doors automatically lock when the ignition is turned off, the keyless access transmitter has been removed from the interior of the vehicle, and the doors have been closed for eight seconds. If a keyless access transmitter is left inside of the vehicle, the doors will not lock. 3-80 You may temporarily disable the passive door locking feature by pressing a door unlock switch for three seconds while a door is open. Passive door locking will then remain disabled until a door lock switch is pressed or until the power mode transitions from the off power mode. You can select to not have the horn sound when the passive lock occurs. If you choose this setting, the doors will automatically lock eight seconds after you turn the ignition off, remove the keyless access transmitter from the interior of the vehicle and close both doors. You can also select to have the horn sound once when the passive lock occurs. If you choose this setting, the doors will automatically lock and the horn will chirp eight seconds after you turn the ignition off, remove the keyless access transmitter from the interior of the vehicle and close both doors. If you are parking in a quiet area and do not want the horn to sound when the doors lock, press the lock button on the keyless access transmitter immediately after removing it from the interior and closing the doors. This will lock the doors and cancel the passive locking for this ignition cycle. The DIC will display PASSIVE LOCKING OFF, SILENT PASSIVE LOCK or HORN AT PASSIVE LOCK. Press the OPTIONS button to change the setting. Passive Unlocking This feature allows you to select which doors will automatically unlock when you approach and open the driver’s door with your keyless access transmitter. You can choose to have the driver’s door unlock or both doors unlock. See Door Locks on page 2-9 for more information. The DIC will display PASSIVE UNLK DRIVER or PASSIVE UNLK BOTH. Press the OPTIONS button to change this setting. Auto Unlock This feature automatically unlocks either the driver’s door or both doors, depending on the setting, when the shift lever is moved to PARK (P). The DIC will display AUTO UNLOCK OFF, AUTO UNLOCK DRIVER or AUTO UNLOCK BOTH. Press the OPTIONS button to change the setting. Park Assist This feature tilts the passenger’s side mirror downward when the shifter is moved to REVERSE (R). This can help you to see the curb while backing up. If you adjust the mirror while in REVERSE (R), the new position will be saved as the park assist position. The DIC will display PARK ASSIST OFF or PARK ASSIST ON. Language This feature allows you to select the language the DIC and Head-Up Display (HUD), uses to display messages. The DIC will display ENGLISH, FRENCH, GERMAN, ITALIAN, JAPANESE or SPANISH. Press the OPTIONS button to change the setting. If you become stuck in a language that you do not understand, hold the OPTIONS and RESET button for ﬁve seconds. The DIC will scroll through all available languages for as long as the buttons are held. Each language option will display in its own language. For example, English will be displayed as ENGLISH, Spanish as ESPANOL, etc. When the desired language is available, release the buttons and the DIC will set to this language. 3-81 Trip Computer Oil Life Indicator This feature lets you know when to change the engine oil. It is based on the engine oil temperatures and your driving patterns. To see the display, press the information button several times until OIL LIFE appears. If you see 99% OIL LIFE, 99 percent of your current oil life remains. The DIC may display a CHANGE OIL NOW message. If you see CHANGE OIL NOW, it means the oil life is gone. For more information, see Scheduled Maintenance on page 7-4 and Engine Oil on page 6-13. When the oil is changed, you will need to reset the system. See Engine Oil Life System on page 6-16. Always keep a written record of the mileage and date when you changed your oil. Audio System(s) Determine which radio your vehicle has and then read the pages following to familiarize yourself with its features. Driving without distraction is a necessity for a safer driving experience. See Defensive Driving on page 5-2. By taking a few moments to read this manual and get familiar with your vehicle’s audio system, you can use it with less effort, as well as take advantage of its features. While your vehicle is parked, set up your audio system by presetting your favorite radio stations, setting the tone and adjusting the speakers. Then, when driving conditions permit, you can tune to your favorite stations using the presets and steering wheel controls (if equipped). {CAUTION: This system provides you with a far greater access to audio stations and song listings. Giving extended attention to entertainment tasks while driving can cause a crash and you or others can be injured or killed. Always keep your eyes on the road and your mind on the drive — avoid engaging in extended searching while driving. 3-82 Keeping your mind on the drive is important for safe driving. For more information, see Defensive Driving on page 5-2. Get familiar with your vehicle’s audio system so you can use it with less effort and take full advantage of its features. Here are some ways in which you can help avoid distraction while driving. While your vehicle is parked: Familiarize yourself with all of its controls. Familiarize yourself with its operation. (cid:127) Set up your audio system by presetting your favorite radio stations, setting the tone, and adjusting the speakers. Then, when driving conditions permit, you can tune to your favorite radio stations using the presets and steering wheel controls (if equipped). Notice: Before adding any sound equipment to your vehicle, such as an audio system, CD player, CB radio, mobile telephone, or two-way radio, make sure that it can be added by checking with your dealer. Also, check federal rules covering mobile radio and telephone units. If sound equipment can be added, it is very important to do it properly. Added sound equipment may interfere with the operation of your vehicle’s engine, radio, or other systems, and even damage them. Your vehicle’s systems may interfere with the operation of sound equipment that has been added. Your vehicle has a feature called Retained Accessory Power (RAP). With RAP, the audio system can be played even after the ignition is turned off. See Retained Accessory Power (RAP) on page 2-22 for more information. 3-83 (cid:127) (cid:127) Theft-Deterrent Feature THEFTLOCK® is designed to discourage theft of your vehicle’s radio. The feature works automatically by learning a portion of the Vehicle Identiﬁcation Number (VIN). If the radio is moved to a different vehicle, it will not operate. If the radio is removed from your vehicle, the original VIN in the radio can be used to trace the radio back to your vehicle. With THEFTLOCK® activated, the radio will not operate if stolen. Audio Steering Wheel Controls Some audio controls can be adjusted at the steering wheel. They include the following: g (Voice Recognition): See “OnStar® Steering Wheel Controls” under OnStar® System on page 2-37 or OnStar® System on page 4-47 for more information. SRCE (Source): Press this button to switch between FM1, FM2, AM, or XM1 or XM2 (if equipped), CD, or DVD. + u− (Volume): Press this button to increase or to decrease the volume. + 1-6 − (Preset Stations): Press this button to play stations that are programmed on the radio preset pushbuttons. The radio will only seek preset stations with a strong signal that are in the selected band. When a CD is playing, press this button to go to the next track. 3-84 Radio Reception You may experience frequency interference and static during normal radio reception if items such as cellphone chargers, vehicle convenience accessories, and external electronic devices are plugged into the accessory power outlet. If there is interference or static, unplug the item from the accessory power outlet. AM The range for most AM stations is greater than for FM, especially at night. The longer range can cause station frequencies to interfere with each other. For better radio reception, most AM radio stations will boost the power levels during the day, and then reduce these levels during the night. Static can also occur when things like storms and power lines interfere with radio reception. When this happens, try reducing the treble on your radio. FM Stereo FM stereo will give the best sound, but FM signals will reach only about 10 to 40 miles (16 to 65 km). Tall buildings or hills can interfere with FM signals, causing the sound to fade in and out. XM™ Satellite Radio Service XM™ Satellite Radio Service gives digital radio reception from coast-to-coast in the 48 contiguous United States, and in Canada (if available). Just as with FM, tall buildings or hills can interfere with satellite radio signals, causing the sound to fade in and out. In addition, traveling or standing under heavy foliage, bridges, garages, or tunnels may cause loss of XM signal for a period of time. The radio may display NO XM SIGNAL to indicate interference.

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2006 Cadillac XLR Owners Manual