2004 Hummer H2 Owners Manual

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driving through a parking garage, heavy overcast weather or a tunnel. This is normal. There is a delay in the transition between the daytime and nighttime operation of the Daytime Running Lamps (DRL) and the automatic headlamp systems so that driving under bridges or bright overhead street lights does not affect the system. The DRL and automatic headlamp system will only be affected when the light sensor sees a change in lighting lasting longer than the delay. 3-14 Daytime Running Lamps Daytime Running Lamps (DRL) can make it easier for others to see the front of your vehicle during the day. DRL can be helpful in many different driving conditions, but they can be especially helpful in the short periods after dawn and before sunset. Fully functional daytime running lamps are required on all vehicles ﬁrst sold in Canada. The DRL system will come on when the following conditions are met: The ignition is on, the exterior lamps control is in AUTO, the transmission is not in PARK (P), and the light sensor determines it is daytime. When the DRL are on, only your DRL lamps will be on. The taillamps, sidemarker and other lamps won’t be on. The instrument panel won’t be lit up either. When it begins to get dark, the automatic headlamp system will switch from DRL to the headlamps. As with any vehicle, you should turn on the regular headlamp system when you need it. 3-15 (cid:127) (cid:127) (cid:127) (cid:127) If you drive your vehicle through an Off-Road Lamps Notice: automatic car wash that does not have enough clearance for any roof-mounted accessories (such as off-road lamps or a roof basket) on your vehicle, you can damage your vehicle. To avoid damaging your vehicle in a car wash, remove any roof-mounted accessories if you can, and do not use an automatic car wash while roof-mounted accessories are on your vehicle. See Cleaning the Outside of Your Vehicle on page 5-95 for more information. The off-road lamps, if equipped, are designed to enhance the appearance of your vehicle and to provide auxiliary lighting when your vehicle is used off road. The safety characteristics of these lamps are limited and they are not intended to be used in conjunction with, or in place of, existing vehicle lighting. The lamps are not to be used on any public street or highway and are to be covered when not in use. Check your state and local laws before installing or using any auxiliary lighting. In some states it may be necessary to remove the roof lamps when operating the vehicle on the highway. The button for the off-road lamps is located in the overhead console. To use the lamps, be sure the engine is running. Remove the covers form the lamps and press the button to turn them on. Press the button again to turn them off. An indicator light will glow near the button when the lamps are on. Notice: Turning on the off-road lamps before removing the lamp covers could damage the off-road lamps and the covers. Always remove the covers before turning on the off-road lamps. The off-road lamps will remain on even after the ignition is turned off. The off-road lamps button must be pressed to turn them off. Interior Lamps Instrument Panel Brightness The thumbwheel for this feature is located next to the exterior lamps control. D (Instrument Panel Lights): Turn the thumbwheel up or down to brighten or dim the instrument panel lights and the radio display. This will only work if the headlamps or parking lamps are on. To turn on the dome lamps, with the vehicle doors closed, turn the thumbwheel all the way up. 3-16 Dome Lamps The dome lamps will come on when you open a door and will turn off when all doors are closed. You can also turn the dome lamps on by turning the thumbwheel, located next to the exterior lamp control, all the way up. In this position, the dome lamps will remain on whether a door is opened or closed. E (Dome Override): Press this button, located below the exterior lamp control, to turn dome lamps off even while a door is opened. To return the lamps to automatic operation, press the button again and it will return to the out position. In this position, the dome lamps will come on when you open a door. Entry/Exit Lighting Your vehicle is equipped with an illuminated entry/exit feature. When a door is opened or the key is removed from the ignition, the dome lamps will come on if the dome override button is in the out position. Reading Lamps Your vehicle has reading lamps located in the overhead console. Press the button located next to the lamp to turn it on. The lamps can be adjusted to point in the direction you want. Press the button again to turn the lamp off. These lamps will also come on with the dome lamps. Battery Run-Down Protection This feature shuts off the dome lamps if they are left on for more than 10 minutes when the ignition is in lock. This will keep your battery from running down. 3-17 Accessory Power Outlets Your vehicle may be equipped with up to ﬁve accessory power outlets. The two front outlets, if equipped, are located under the OnStar® buttons on the instrument panel behind hinged doors. The two middle outlets, if equipped, are located on the back of the center console. There may also be an outlet located in the rear of the vehicle near the liftgate. Flip the cover open to use the outlet. Close the cover when the outlet is not in use. 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. Check with your dealer before adding electrical equipment. Certain power accessory plugs may not be compatible to the accessory power outlets and could result in blown vehicle or adapter fuses. If you experience a problem, see your dealer for additional information on the accessory power plugs. Notice: 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 cause 3-18 If you put papers or other ﬂammable items Ashtrays and Cigarette Lighter If your vehicle has an ashtray, it is removable and ﬁts into the front cupholder. Pull up on the ashtray door to open it. Notice: in the ashtray, hot cigarettes or other smoking materials could ignite them and possibly damage your vehicle. Never put ﬂammable items in the ashtray. To remove the ashtray, pull it out from the console. To reinstall the ashtray, slide it back to the original position. To use the cigarette lighter, if equipped, push it in all the way, and let go. When it’s 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 Automatic Climate Control System With this system, you can control the heating, cooling and ventilation in your vehicle. You can select different climate control settings for the driver and passengers. Driver’s Side Temperature Knob The driver’s side knob is used to adjust the temperature of the air coming through the system on the driver’s side. The temperature can be adjusted even if the system is turned off. This is possible since outside air will always ﬂow through the system as the vehicle is moving forward unless it is set to recirculation mode. See “Recirculation” later in this section. Turn the knob counterclockwise or clockwise to lower or increase the cabin temperature. The display will show the temperature setting decreasing or increasing and an arrow pointing to the driver will be displayed under and to the left of the temperature setting. Passenger’s Side Temperature Knob The passenger’s side knob can be used to change the temperature of the air coming through the system on the passenger’s side of the vehicle. The temperature can be adjusted even if the system is turned off. This is possible since outside air will always ﬂow through the system as the vehicle is moving forward unless it is set to recirculation mode. See “Recirculation” later in this section. 3-19 Turn the knob counterclockwise or clockwise to lower or increase the cabin temperature. The display will show the temperature setting decreasing or increasing and an arrow pointing to the passenger will be displayed under and to the right of the temperature setting. The passenger’s temperature setting can be set to match the driver’s temperature setting by pressing and holding the AUTO button for four seconds. Both the driver and passenger arrows will be displayed. Automatic Operation AUTO (Automatic): When automatic operation is active the system will control the inside temperature, the air delivery, and the fan speed. Use the steps below to place the entire system in automatic mode: 1. Press the AUTO button. When AUTO is selected, the display will change to show the current driver’s set temperature, delivery mode and fan speed. Press the AUTO button again within ﬁve seconds to display the passenger’s set temperature. If the driver and passenger’s temperature settings are not the same, the opposite side temperature setting will be displayed for an additional ﬁve seconds. To make the passenger’s temperature the same as the driver’s press and hold the AUTO button for about four seconds. When auto is selected, the air conditioning operation and air inlet will be automatically controlled. The air conditioning compressor will run when the outside temperature is over about 40°F (4°C). The air inlet will normally be set to outside air. If it’s hot outside, the air inlet may automatically switch to recirculate inside air to help quickly cool down your vehicle. The light on the button will illuminate in recirculation. 2. Set the driver’s and passenger’s temperature. To ﬁnd your comfort setting, start with a 74°F (23°C) temperature setting and allow about 20 minutes for the system to regulate. Turn the driver’s or passenger’s side temperature knob to adjust the temperature setting as necessary. If you choose the temperature setting of 60°F (15°C) the system will remain at the maximum cooling setting. If you choose the temperature setting of 90°F (32°C) the system will remain at the maximum heat setting. Choosing either maximum setting will not cause the vehicle to heat or cool any faster. 3-20 Be careful not to cover the sensor located on the top of the instrument panel near the windshield. This sensor regulates air temperature based on sun load, and also turns on your headlamps. To avoid blowing cold air in cold weather, the system will delay turning on the fan until warm air is available. The length of delay depends on the engine coolant temperature. Pressing the fan switch will override this delay and change the fan to a selected speed. 9(Off): Press this button to turn off the entire climate control system. Outside air will still enter the vehicle, and will be directed to the ﬂoor. This direction can be changed by pressing the mode button. The temperature can also be adjusted using either temperature knob. Press the up or down arrows on the fan switch, the defrost button, the AUTO button, or the air conditioning button to turn the system on when it is off. Manual Operation You may manually adjust the air delivery mode or fan speed. w9x (Fan): The switch with the fan symbol allows you to manually adjust the fan speed. Press the up arrow to increase fan speed and the down arrow to decrease fan speed. Pressing this button when the system is off will turn the system on. C (Mode): Press this button to manually change the direction of the airﬂow in your vehicle; keep pressing the button until the desired mode appears on the display. If you press the mode button to select an air delivery mode, the display will change to show you the selected air mode delivery. The display will then show the current status of the system. When the system is turned off, the display will go blank after displaying the current status of the system. H (Panel): This setting will deliver air to the instrument panel outlets. )(Bi-Level): This setting will deliver warmer air to the ﬂoor and cooler air to the instrument panel outlets. 6 (Floor): This setting will deliver air to the ﬂoor outlets. - (Defog): See “Defogging and Defrosting” later in this section. 3-21 @(Recirculation): Press this button to limit the amount of outside air entering your vehicle. The light on the recirculation button will glow. This is helpful when you are trying to limit odors entering your vehicle and for maximum air conditioning performance in hot weather. Press this button again to allow outside air to enter the vehicle. The light on the recirculation button will go off. Pressing this button also cancels the auto recirculation feature. To resume the auto recirculation function, press the AUTO button. Each time the vehicle is started, the system will revert to the auto recirculation function. If you select recirculation while in defrost, defog or ﬂoor, the light in the button will ﬂash and then go out to let you know that this is not allowed. This is normal and helps to prevent fogging. When the weather is cool or damp, operating the system in recirculation for extended periods of time may cause fogging of the vehicle’s windows. To clear the fog, select either defog or front defrost. You may also notice that the A/C compressor will run while in recirculation mode. This is normal and helps to prevent fogging. 9(Off): Press this button to turn off the entire climate control system. Outside air will still enter the vehicle, and will be directed to the ﬂoor. This direction can be changed by pressing the mode button. The temperature can also be adjusted using either temperature knob. Press the up or down arrows on the fan switch, the defrost button, the AUTO button, or the air conditioning button to turn the system on when it is off. Display If you press the MODE button to select an air delivery mode, the display will change to show you the selected air delivery mode. After ten seconds, the display will change to show the driver temperature setting and the selected mode. If you press the up or down arrows on the fan switch, the display will change to show the selected fan speed. After ten seconds, the display will change to show the driver temperature setting and the selected mode. Whenever you press AUTO, the display will change to show the following: the current driver’s set temperature and an arrow for ﬁve seconds, the current passenger’s set temperature setting and an arrow for ﬁve seconds and the automatic air delivery mode and fan speed. 3-22 (cid:127) (cid:127) (cid:127) If the driver’s and passenger’s temperature settings are the same when AUTO is pressed, the temperature setting and both arrows will be displayed for ﬁve seconds along with the automatic air delivery mode and fan speed. After the ﬁve second update, the display will change to show the temperature setting, both arrows and AUTO. Air Conditioning #(Air Conditioning): Press this button to turn the air conditioning (A/C) compressor on and off. The snowﬂake symbol will appear on the display when the A/C is on. Pressing this button when the outside temperature is too cool for air conditioning to be effective will make the snowﬂake symbol ﬂash three times and then turn off to let you know that the air conditioning mode is not available. If the air conditioning is on and the outside temperature drops below a temperature which is too cool for air conditioning to be effective, the snowﬂake symbol will turn off to let you know that the air conditioning mode has been canceled. ^ (Air Conditioning Off): On some vehicles, when you turn the air conditioning off, this symbol will appear on the display. If your vehicle does not have this symbol, the snowﬂake symbol will turn off to let you know the air conditioning is off. When air conditioning is selected or in AUTO mode, the system will run the air conditioning automatically to cool and dehumidify the air entering the vehicle. If you select A/C off while in front defrost, defog or recirculation, the A/C snowﬂake symbol will turn off, but the A/C compressor will still run to help prevent fogging. On hot days, open the windows long enough to let hot inside air escape. This reduces the time it takes for your vehicle to cool down. Then keep your windows closed for the air conditioner to work its best. On cool, but sunny days while using manual operation of the automatic system, use bi-level to deliver warm air to the ﬂoor and cooler air to the instrument panel outlets. To warm or cool the air delivered, turn the temperature knob to the desired setting. In AUTO mode the system will cool and dehumidify the air inside the vehicle. Also while in AUTO mode, the system will maximize its performance by using recirculation as necessary. 3-23 Rear Window Defogger If your vehicle has this feature, the lines you see on the rear window warm the glass. The rear window defogger uses a warming grid to remove fog from the rear window. <(Rear): Press this button to turn the rear window defogger on or off. An indicator light in the button will come on to let you know that the rear window defogger is activated. The rear window defogger will turn off about 10 minutes after the button is pressed. If you need additional warming time, press the button again. If your vehicle is equipped with heated mirrors this button will activate them. Notice: Using a razor blade or sharp object to clear the inside rear window may damage the rear window defogger. Repairs would not be covered by your warranty. Do not clear the inside of the rear window with sharp objects. Heating On cold days when using manual operation of the automatic system, choose ﬂoor mode to deliver air to the ﬂoor outlets. To warm or cool the air delivered, turn the temperature knob to the desired setting. If you want to use the automatic mode, press AUTO and adjust the temperature by turning the temperature knob. The heater works best if you keep the windows closed while using it. Defogging and Defrosting You can use either defog or front defrost to clear fog or frost from your windshield. Use the defog mode to clear the windows of fog or moisture. Use the front defrost button to defrost the front windshield. -(Defog): Use this setting to clear the windows of fog or moisture. Press the mode button to select this setting. This setting will deliver air to the ﬂoor and windshield outlets. 0 (Front Defrost): Press the front defrost button to defrost the windshield. The system will automatically control the fan speed if you select defrost from AUTO mode. If the outside temperature is 40°F (4°C) or warmer, your air conditioning compressor will automatically run to help dehumidify the air and dry the windshield. 3-24 Climate Controls Personalization You can store and recall the climate control settings for temperature, air delivery mode and fan speed for two different drivers. The personal choice settings recalled are determined by the transmitter used to enter the vehicle. After the button with the unlock symbol on a remote keyless entry transmitter is pressed, the climate control will adjust to the last settings of the identiﬁed driver. The settings can also be changed by pressing one of the memory buttons (1 or 2) located on the driver’s door. When adjustments are made, the new settings are automatically saved for that driver. Outlet Adjustment Your vehicle has air outlets that allow you to adjust the direction and amount of airﬂow inside the vehicle. Push the knob in the center of the outlet up, down, left or right to move the outlet in the direction you would like. Turn the knob in the center of the outlet so the louvers open or close to increase or decrease airﬂow. Operation Tips (cid:127) Keep the hood and front air inlets free of ice, snow, or any other obstruction (such as leaves). The heater and defroster will work far better, reducing the chance of fogging the inside of your windows. (cid:127) Keep the air path under the front seats clear of objects. This helps air to circulate throughout your vehicle. (cid:127) Adding outside equipment to the front of your vehicle, such as hood-air deﬂectors, etc., may affect the performance of the heating and air conditioning system. Check with your dealer before adding equipment to the outside of your vehicle. 3-25 Warning Lights, Gages, and Indicators This part describes the warning lights and gages 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’re 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’s 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’re a big help. Your vehicle also has a message center that works along with warning lights and gages. See DIC Warnings and Messages on page 3-56. 3-26 Instrument Panel Cluster Your instrument cluster is designed to let you know at a glance how your vehicle is running. You’ll know how fast you’re going, about how much fuel you have and many other things you’ll need to know to drive safely and economically. United States version shown, Canada similar 3-27 Speedometer and Odometer Your speedometer lets you see your speed in both miles per hour (mph) and kilometers per hour (km/h). Your vehicle’s odometer works together with the driver information center. You can set a personal trip and business trip odometer. See “Trip Information” under DIC Operation and Displays on page 3-44. The odometer mileage can be checked without the vehicle running. Simply press the trip stem on the instrument panel cluster. If your vehicle ever needs a new odometer installed, the new one will be set to the correct mileage total of the old odometer. Tachometer Your tachometer displays the engine speed in revolutions per minute (rpm). Notice: tachometer in the shaded warning area, your vehicle could be damaged, and the damages would not be covered by your warranty. Do not operate the engine with the tachometer in the shaded warning area. If you operate the engine with the 3-28 Safety Belt Reminder Light When the key is turned to RUN or START, a chime will come on for several seconds to remind people to fasten their safety belts, unless the driver’s safety belt is already buckled. The safety belt light will also come on and stay on for several seconds, then it will ﬂash for several more. If the driver’s belt is already buckled, neither the chime nor the light will come on. Air Bag Readiness Light There is an air bag readiness light on the instrument panel, which shows the air bag symbol. The system checks the air bag’s electrical system for malfunctions. The light tells you if there is an electrical problem. The system check includes the air bag sensors, the air bag modules, the wiring and the crash sensing and diagnostic module. For more information on the air bag system, see Air Bag System on page 1-61. 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 air bag readiness light stays on after you start the vehicle or comes on when you are driving, your air bag system may not work properly. Have your vehicle serviced right away. {CAUTION: If the air bag readiness light stays on after you start your vehicle, it means the air bag system may not be working properly. The air bags 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 air bag readiness light stays on after you start your vehicle. The air bag readiness light should ﬂash for a few seconds when you turn the ignition key to RUN. If the light doesn’t come on then, have it ﬁxed so it will be ready to warn you if there is a problem. 3-29 Air Bag Off Light When you turn the right front passenger’s air bag off, this light will come on and stay on to remind you that the air bag has been turned off. This light will go off when you turn the air bag back on again. See Air Bag Off Switch on page 1-68. for more on this, including important safety information. Canada United States 3-30 {CAUTION: {CAUTION: If the right front passenger’s air bag is turned off for a person who isn’t in a risk group identiﬁed by the national government, that person won’t have the extra protection of an air bag. In a crash, the air bag wouldn’t be able to inﬂate and help protect the person sitting there. Don’t turn off the passenger’s air bag unless the person sitting there is in a risk group. See ″Air Bag Off Switch″ in the Index for more on this, including important safety information. If the air bag readiness light ever comes on when you have turned off the air bag, it means that something may be wrong with the air bag system. The right front passenger’s air bag could inﬂate even though the switch is off. If this ever happens, don’t let anyone whom the national government has identiﬁed as a member of a passenger air bag risk group sit in the right front passenger’s position (for example, don’t secure a rear-facing child restraint in the right front seat) until you have your vehicle serviced. 3-31 Charging System Light Voltmeter Gage The charging system light will come on brieﬂy when you turn on the ignition, but the engine is not running, as a check to show you it is working. When your engine is not running, but the ignition is in RUN, this gage shows your battery’s state of charge in DC volts. It should go out once the engine is running. If it stays on, or comes on while you are driving, you may have a problem with the charging system. It could indicate that you have problems with a generator drive belt, or another electrical problem. Have it checked right away. Driving while this light is on could drain your battery. When this light comes on the DIC will also display the battery not charging message. See DIC Warnings and Messages on page 3-56. If you must drive a short distance with the light on, be certain to turn off all your accessories, such as the radio and air conditioner. 3-32 When the engine is running, the gage shows the condition of the charging system. Readings between the low and high warning zones indicate the normal operating range. Readings in the low warning zone may occur when a large number of electrical accessories are operating in the vehicle and the engine is left at an idle for an extended period. This condition is normal since the charging system is not able to provide full power at engine idle. As engine speeds are increased, this condition should correct itself as higher engine speeds allow the charging system to create maximum power. You can only drive for a short time with the reading in either warning zone. If you must drive, turn off all unnecessary accessories. Readings in either warning zone indicate a possible problem in the electrical system. Have the vehicle serviced as soon as possible. Brake System Warning Light With the ignition on, the brake system warning light will ﬂash when you set the parking brake. The light will ﬂash if the parking brake doesn’t release fully. If you try to drive with the parking brake engaged, a chime will sound when the vehicle speed is greater than 3 mph (5 km/h). Your vehicle’s hydraulic brake system is divided into two parts. If one part isn’t working, the other part can still work and stop you. For good braking, though, you need both parts working well. If the warning light comes on and a chime sounds there could be a brake problem. Have your brake system inspected right away. United States Canada This light should come on brieﬂy when you turn the ignition key to RUN. If it doesn’t come on then, have it ﬁxed so it will be ready to warn you if there’s a problem. 3-33 If the light comes on while you are driving, 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 4-65. {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, this light will come on when you start your engine and may stay on for several seconds. That’s normal. If the light doesn’t come on then, have it ﬁxed so it will be ready to warn you if there is a problem. If the light stays on, or comes on when you’re driving, your vehicle needs service. You will also hear a chime sound when the light is on steady. If the regular brake system warning light isn’t on, you still have brakes, but you don’t have anti-lock brakes. If the regular brake system warning light is also on you don’t have anti-lock brakes and there’s a problem with your regular brakes. In addition to both lights, you will also hear a chime sound on the ﬁrst occurrence of a problem and each time the vehicle is shut off and then restarted. See Brake System Warning Light on page 3-33. 3-34 Traction Off Light Engine Coolant Temperature Gage The traction off light will come on when a traction control system or anti-lock brake system problem has been detected. The vehicle may need service. When this light is on, the system will not limit wheel spin. Adjust your driving accordingly. See Traction Control System (TCS) on page 4-9. If the Traction Control System (TCS) detects that the vehicle’s brake’s are overheating, the TCS will shut off and the traction off light will come on. When the brakes cool off, the TCS will turn back on automatically and the traction off light will go out. United States Canada This gage shows the engine coolant temperature. It also provides an indicator of how hard your vehicle is working. During a majority of the operation, the gage will read 210°F (100°C) or less. If you are pulling a load or going up hills, it is normal for the temperature to ﬂuctuate and approach the 250°F (122°C) mark. If the gage reaches the 260°F (125°C) mark, it indicates that the cooling system is working beyond its capacity. See Engine Overheating on page 5-27. 3-35 Transmission Temperature Gage United States Canada Your vehicle is equipped with a transmission temperature gage. When your ignition is on, the gage shows the temperature of the transmission ﬂuid. The normal operating range is from 100°F (38°C) to about 265°F (130°C). At approximately 265°F (130°C), the DIC will display a TRANSMISSION HOT message and the transmission will enter a transmission protection mode. When the transmission enters the protection mode, you may notice a change in the transmission shifting patterns. The transmission will return to normal shifting patterns when the transmission ﬂuid temperature falls below 260°F (127°C). See Driver Information Center (DIC) on page 3-44 for further information. 3-36 If the transmission ﬂuid reaches temperatures of approximately 275°F (135°C) or greater, the DIC will display a TRANS HOT IDLE ENGINE warning message and a chime will sound. Pull the vehicle off the roadway when it is safe to do so. Set the parking brake, place the transmission in PARK (P) and allow the engine to idle until the transmission temperature falls below 260°F (127°C). If the transmission continues to operate above 265°F (130°C), please contact your nearest dealer or the GM Roadside Assistance Center. Notice: transmission temperature gage above normal operating range, you can damage the transmission. This could lead to costly repairs that would not be covered by your warranty. Do not drive your vehicle while the transmission temperature gage reading is above normal. See your dealer for service. If you drive your vehicle with the The following situations can cause the transmission to operate at higher temperatures: Towing a trailer, hot outside air temperatures, hauling a large or heavy load, low transmission ﬂuid level, high transmission ﬂuid level, restricted air ﬂow to the radiator. A temporary solution to hotter transmission operating temperatures may be to let the transmission cool down. If the transmission is operated at higher temperatures on a frequent basis, see Scheduled Maintenance on page 6-4 for the proper transmission maintenance intervals. 3-37 (cid:127) (cid:127) (cid:127) (cid:127) (cid:127) (cid:127) Notice: If you keep driving your vehicle with this light on, after a while, 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. 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. 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. 3-38 This light should come on, as a check to show you it is working, when the ignition is on and the engine is not running. 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. 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 you are towing a trailer, reduce the amount of cargo being hauled as soon as it is possible. 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 key 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 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 Your Tank on page 5-7. 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. 3-39 (cid:127) (cid:127) (cid:127) 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 5-5. 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. 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. 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. 3-40 {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. Oil Pressure Gage United States Canada The oil pressure gage shows the engine oil pressure in psi (pounds per square inch) when the engine is running. Canadian vehicles indicate pressure in kPa (kilopascals). Oil pressure may vary with engine speed, outside temperature and oil viscosity, but readings above the low pressure zone indicate the normal operating range. A reading in the low pressure zone may be caused by a dangerously low oil level or some other problem causing low oil pressure. Check your oil as soon as possible. See Engine Oil on page 5-14. 3-41 Security Light Cruise Control Light This light will come on brieﬂy when you turn the key toward START. The light will stay on until the engine starts. The cruise light comes on whenever you set your cruise control. See “Cruise Control” under Turn Signal/Multifunction Lever on page 3-6. If the light ﬂashes, the Passlock® system has entered a tamper mode. If the vehicle fails to start, see Passlock® on page 2-18. If the light comes on continuously while driving and stays on, there may be a problem with the Passlock® system. Your vehicle will not be protected by Passlock®, and you should see your dealer. Also, see Content Theft-Deterrent on page 2-16 for additional information regarding the security light. Tow/Haul Mode Light This light is displayed when the tow/haul mode has been activated. For more information, see “Tow/Haul Mode” under Towing a Trailer on page 4-75. 3-42 Fuel Gage United States Canada When the ignition is on, the fuel gage tells you about how much fuel you have left in your tank. The gage will ﬁrst indicate empty before you are out of fuel, and you should get more fuel as soon as possible. Here are some situations you may experience with your fuel gage. None of these indicate a problem with the fuel gage. (cid:127) At the gas station, the fuel pump shuts off before the gage reads full. It takes a little more or less fuel to ﬁll up than the fuel gage indicated. For example, the gage may have indicated the tank was half full, but it actually took a little more or less than half the tank’s capacity to ﬁll the tank. The gage goes back to empty when you turn off the ignition. Low Fuel Warning Light The light next to the fuel gage will come on brieﬂy when you are starting the engine. This light comes on when the fuel tank is low on fuel. To turn it off, add fuel to the fuel tank. See Fuel on page 5-5. 3-43 (cid:127) (cid:127) Driver Information Center (DIC) The DIC display is located on the instrument panel cluster above the steering column. The DIC can display information such as the trip odometer, fuel economy and personalization features. A (Trip Information): Press this button to scroll through the odometer, personal trip odometer, business trip odometer, hourmeter, annual log and the timer. B (Fuel Information): Press this button to scroll through the current range, average fuel economy, instant fuel economy and engine oil life. 3-44 C (Personalization): Press this button to change personal settings of various features for your vehicle. D (Select): Press this button to reset certain functions and turn off or acknowledge messages on the DIC. DIC Operation and Displays The DIC comes on when the ignition is on. After a short delay the DIC will display the current driver (1 or 2) and the information that was last displayed before the engine was turned off. If a problem is detected, a warning message will appear on the display. Pressing any of the four buttons will acknowledge (clear) most current warnings or service messages. Some warnings that cannot be acknowledged (cleared) are: ENGINE OVERHEATED, OIL PRESSURE LOW, REDUCED ENGINE POWER, TRANS HOT IDLE ENGINE. These warnings must be dealt with immediately and therefore cannot be cleared until the problem has been corrected. The DIC has different modes which can be accessed by pressing the four buttons on the DIC. These buttons are trip information, fuel information, personalization and select. The button functions are detailed in the following. Trip Information Button Press the trip information button to scroll through the ODOMETER, PERSONAL TRIP ON/OFF, BUSINESS TRIP ON/OFF, HOURMETER, ANNUAL LOG and TIMER. If the personal trip and/or the business trip are set to ON, you will also be able to scroll through more messages. See “Personal Trip” and “Business Trip” next for more information. Personal Trip Turn PERSONAL TRIP on or off by pressing the select button. When it is on, you will also be able to scroll through the following by pressing the trip information button: (cid:127) PERSONAL: XXXXXX.X MI — This shows the current distance traveled since the last reset for the personal trip odometer in either miles or kilometers. (cid:127) PERSONAL: XXXX.X GAL — This shows the amount of fuel used for the personal trip. (cid:127) PERSONAL: XX.X MPG— This shows how many miles per gallon of fuel your vehicle is getting for the personal trip based on current and past driving conditions. (cid:127) PERSONAL: AVG MPH — This shows the vehicle’s average speed for the personal trip. (cid:127) PERSONAL: % ANNUAL — This shows the ratio of personal trip miles to annual miles as a percent. Business Trip Turn Business TRIP on or off by pressing the select button. When it is on, you will also be able to scroll through the following by pressing the trip information button: (cid:127) BUSINESS: XXXXXX.X MI — This shows the current distance traveled since the last reset for the business trip odometer in either miles or kilometers. (cid:127) BUSINESS: XXXX.X GAL — This shows the amount of fuel used for the business trip. (cid:127) BUSINESS: XX.X MPG — This shows the amount of fuel used for the business trip. (cid:127) BUSINESS: AVG MPH — This shows the vehicle’s average speed for the business trip. (cid:127) BUSINESS: % ANNUAL — This shows the ratio of business trip miles to annual miles as a percent. 3-45 Annual Log Press the trip information button to scroll to the annual log. The annual log shows the mileage accumulated since it was last reset. To reset the annual log, press and hold the select button for two seconds. Timer The DIC can be used as a timer. Press the select button while TIMER is displayed to start the timer. The display will show the amount of time that has passed since the timer was last reset (not including time the ignition is off). Time will continue to be counted as long as the ignition is on, even if another display is being shown on the DIC. The timer will record up to 99 hours, 59 minutes and 59 seconds (99:59:59) after which the display will roll back to zero. To stop the counting of time, press the select button brieﬂy while TIMER is displayed. To reset the timer to zero, press and hold the select button while TIMER is displayed. To reset the personal or business trip information, do the following: press and hold the select button for two seconds while in one of the personal or business trip modes. This will reset all of the information for the personal or business trip. You can also reset the PERSONAL: XX MI, or BUSINESS: XX MI while they are displayed by pressing the reset stem on the cluster. If you press and hold the reset stem or select button for four seconds, the display will show the distance traveled since the last ignition cycle for the personal or business trip. Odometer Press the trip information button until ODOMETER appears on the display. This shows the total distance the vehicle has been driven in either miles or kilometers. Pressing the reset stem located on the instrument cluster with the vehicle off will also display the odometer. Hourmeter Press the trip information button to scroll to the hourmeter. The hourmeter shows the total number of hours the engine has run. Pressing and holding the reset stem for about four seconds on the instrument cluster will also display the hourmeter after the odometer is displayed when the vehicle is off. 3-46 Fuel Information Button Use the fuel information button to scroll through the range, average fuel economy, instant fuel economy and the GM Oil Life System. Fuel Range Press the fuel information button until RANGE appears to display the remaining distance you can drive without refueling. It’s based on fuel economy and the fuel remaining in the tank. The display will show LOW if the fuel level is low. The fuel economy data used to determine fuel range is an average of recent driving conditions. As your driving conditions change, this data is gradually updated. Fuel range cannot be reset. Average Fuel Economy Press the fuel information button until AVG ECON appears in the display. Average fuel economy is how many miles per gallon your vehicle is getting based on current and past driving conditions. Press and hold the select button for two seconds while AVG ECON is displayed to reset the average fuel economy. Average fuel economy will then be calculated starting from that point. If the average fuel economy is not reset, it will be continually updated each time you drive. Instant Fuel Economy Press the fuel information button until INST ECON appears in the display. Instant fuel economy is how many miles per gallon your vehicle is getting at the particular moment in time. The instant fuel economy cannot be reset. 3-47 GM Oil Life System Press the fuel information button until ENGINE OIL LIFE appears in the display. The GM Oil Life System shows an estimate of the oil’s remaining useful life. It will show 100% when the system is reset after an oil change. It will alert you to change your oil on a schedule consistent with your driving conditions. Always reset the engine oil life after an oil change. To reset the Oil Life System use the fuel button to reach the ENGINE OIL LIFE screen and then press and hold the select button for ﬁve seconds while ENGINE OIL LIFE is displayed. OIL LIFE RESET will appear on the display for 10 seconds to let you know the system is reset. The DIC does not replace the need to maintain your vehicle as recommended in the Maintenance Schedule in this manual. Also, the oil change reminder will not detect dusty conditions or engine malfunctions that may affect the oil. Also, the oil change reminder does not measure how much oil you have in your engine. So, be sure to check your oil level often. See Engine Oil on page 5-14. Personalization Button You can program certain features to a preferred setting for up to two people. Press the personalization button to scroll through the following personalization features. All of the personalization options may not be available on your vehicle. Only the options available will be displayed on your DIC. (cid:127) AUTOMATIC LOCKING (cid:127) AUTOMATIC UNLOCKING (cid:127) DELAYED LOCKING (cid:127) REMOTE LOCK FEEDBACK (cid:127) ALARM WARNING TYPE (cid:127) REMOTE UNLOCK FEEDBACK (cid:127) HEADLAMPS ON AT EXIT (cid:127) PERIMETER LIGHTING (cid:127) SEAT POSITION RECALL (cid:127) EASY EXIT DRIVER SEAT (cid:127) CURB VIEW ASSIST (cid:127) DISPLAY LANGUAGE (cid:127) DISPLAY UNITS (ENG/MET) 3-48 The default options for the above features were set when your vehicle left the factory. The default options are noted in the text following, but may have been changed from their default state since then. The driver’s preferences can be recalled by pressing the unlock button on the remote keyless entry transmitter labeled 1 or 2 or by pressing the appropriate memory button 1 or 2 located on the driver’s door. Alarm Warning Type Press the personalization button until ALARM WARNING TYPE appears in the display. To select your personalization for alarm warning type, press the select button while ALARM WARNING TYPE is displayed on the DIC. Pressing the select button will scroll through the following choices: ALARM WARNING: BOTH (default): The headlamps will ﬂash and the horn will chirp when the alarm is active. ALARM WARNING: OFF: There will be no alarm warning on activation. ALARM WARNING: HORN: The horn will chirp when the alarm is active. ALARM WARNING: LAMPS: The headlamps will ﬂash when the alarm is active. Choose one of the four options and press the personalization button while your choice is displayed on the DIC to select it and move on to the next feature. For more information on alarm warning type see Content Theft-Deterrent on page 2-16. Automatic Locking Press the personalization button until AUTOMATIC LOCKING appears in the display. To select your personalization for automatic locking, press the select button while AUTOMATIC LOCKING is displayed on the DIC. Pressing the select button will scroll through the following choices: LOCK DOORS MANUALLY: The doors will not be locked automatically. LOCK DOORS WITH SPEED: The doors will lock when the vehicle speed is above 8 mph (13 km/h) for three seconds. 3-49 LOCK DOORS OUT OF PARK (default): The doors will lock when the vehicle is shifted out of PARK (P). Choose one of the three options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. For more information on automatic door locks see Programmable Automatic Door Locks on page 2-9. Automatic Unlocking Press the personalization button until AUTOMATIC UNLOCKING appears in the display. To select your personalization for automatic unlocking, press the select button while AUTOMATIC UNLOCKING is displayed on the DIC. Pressing the select button will scroll through the following choices: UNLOCK ALL IN PARK (default): All of the doors will unlock when the vehicle is shifted into PARK (P). UNLOCK ALL AT KEY OUT: All of the doors will unlock when the key is taken out of the ignition. UNLOCK DOORS MANUALLY: The doors will not be unlocked automatically. UNLOCK DRIVER IN PARK: The driver’s door will be unlocked when the vehicle is shifted into PARK (P). Choose one of the four options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. For more information on automatic door locks see Programmable Automatic Door Locks on page 2-9. Delayed Locking If your DIC does not have this feature, you can still program the delayed locking feature. See Delayed Locking on page 2-9 for more information. When locking the doors with the power lock switch or the keyless entry transmitter and a door or the liftgate is open, the delayed locking feature will delay locking the doors and tailgate until ﬁve seconds after the last door is closed. Press the personalization button until DELAYED LOCKING appears in the display. To select your personalization for delayed locking, press the select button while DELAYED LOCKING is displayed on the DIC. Pressing the select button will scroll through the following choices: DELAYED LOCKING ON: The doors will not lock until ﬁve seconds after the last door or the liftgate is closed. You will hear three chimes to signal that the delayed locking feature is in use. You can temporarily override delayed locking by pressing the lock button on the door or keyless entry transmitter a second time. 3-50 DELAYED LOCKING OFF: The doors will lock immediately when pressing the power lock switch or the lock button on the keyless entry transmitter. Choose one of the two options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. For more information on automatic door locks see Programmable Automatic Door Locks on page 2-9. This feature will not operate if the key is in the ignition. Seat Position Recall Press the personalization button until SEAT POSITION RECALL appears in the display. To select your personalization for seat position recall, press the select button while SEAT POSITION RECALL is displayed on the DIC. Pressing the select button will scroll through the following choices: SEAT POSITION RECALL OFF (default): The memory seat position you saved will only be recalled when the memory button 1 or 2 is pressed. SEAT POSITION RECALL AT KEY IN: The memory seat position you saved will be recalled when you put the key in the ignition. SEAT POSITION RECALL ON REMOTE: The memory seat position you saved will be recalled when you unlock the vehicle with the remote keyless entry transmitter. Choose one of the three options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. For more information on seat position recall see Memory Seat on page 2-51. Perimeter Lighting Press the personalization button until PERIMETER LIGHTING appears in the display. To select your personalization for perimeter lighting, press the select button while PERIMETER LIGHTING is displayed on the DIC. Pressing the select button will scroll through the following choices: PERIMETER LIGHTING ON (default): The headlamps and back-up lamps will come on for 40 seconds, if it is dark enough outside, when you unlock the vehicle with the remote keyless entry transmitter. 3-51 PERIMETER LIGHTING OFF: The perimeter lights will not come on when you unlock the vehicle with the remote keyless entry transmitter. Choose one of the two options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. Remote Lock Feedback Press the personalization button until REMOTE LOCK FEEDBACK appears in the display. To select your personalization for the feedback you will receive when locking the vehicle with the remote keyless entry transmitter, press the select button while REMOTE LOCK FEEDBACK is displayed on the DIC. Pressing the select button will scroll through the following choices: LOCK FEEDBACK: BOTH (default): The parking lamps will ﬂash each time you press the button with the lock symbol on the remote keyless entry transmitter and the horn will chirp the second time you press the lock button. LOCK FEEDBACK: OFF: There will be no feedback when locking the vehicle. LOCK FEEDBACK: HORN: The horn will chirp the second time you press the button with the lock symbol on the remote keyless entry transmitter. LOCK FEEDBACK: LAMPS: The parking lamps will ﬂash each time you press the button with the lock symbol on the remote keyless entry transmitter. Choose one of the four options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. Remote Unlock Feedback Press the personalization button until REMOTE UNLOCK FEEDBACK appears in the display. To select your personalization for the feedback you will receive when unlocking the vehicle with the remote keyless entry transmitter, press the select button while REMOTE UNLOCK FEEDBACK is displayed on the DIC. Pressing the select button will scroll through the following choices: UNLOCK FEEDBACK: LAMPS (default): The parking lamps will ﬂash each time you press the button with the unlock symbol on the remote keyless entry transmitter. 3-52 UNLOCK FEEDBACK: BOTH: The parking lamps will ﬂash each time you press the button with the unlock symbol on the remote keyless entry transmitter and the horn will chirp the second time you press the unlock button. UNLOCK FEEDBACK: OFF: There will be no feedback when unlocking the vehicle. UNLOCK FEEDBACK: HORN: The horn will chirp the second time you press the button with the unlock symbol on the remote keyless entry transmitter. Choose one of the four options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. Headlamps on at Exit Press the personalization button until HEADLAMPS ON AT EXIT appears in the display. To select your personalization for how long the headlamps will stay on when you turn off the vehicle, press the select button while HEADLAMPS ON AT EXIT is displayed on the DIC. Pressing the select button will scroll through the following choices: (cid:127) HEADLAMP DELAY: 10 SEC (default) (cid:127) HEADLAMP DELAY: 20 SEC (cid:127) HEADLAMP DELAY: 40 SEC (cid:127) HEADLAMP DELAY: 60 SEC (cid:127) HEADLAMP DELAY: 120 SEC (cid:127) HEADLAMP DELAY: 180 SEC (cid:127) HEADLAMP DELAY OFF The amount of time you choose will be the amount of time that the headlamps stay on after you turn off the vehicle. If you choose off, the headlamps will turn off as soon as you turn off the vehicle. Choose one of the seven options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. Curb View Assist Press the personalization button until CURB VIEW ASSIST appears in the display. To select your personalization for curb view assist, press the select button while CURB VIEW ASSIST is displayed on the DIC. Pressing the select button will scroll through the following choices: CURB VIEW: OFF (default): Neither outside mirror will be tilted down when the vehicle is shifted into REVERSE (R). 3-53 CURB VIEW: PASSENGER: The passenger’s outside mirror will be tilted down when the vehicle is shifted into REVERSE (R). CURB VIEW: DRIVER: The driver’s outside mirror will be tilted down when the vehicle is shifted into REVERSE (R). CURB VIEW: BOTH: The driver’s and passenger’s outside mirror will be tilted down when the vehicle is shifted into REVERSE (R). Choose one of the four options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. For more information on tilt mirror in reverse see Outside Automatic Dimming Mirror with Curb View Assist on page 2-39. Easy Exit Driver Seat Press the personalization button until EASY EXIT DRIVER SEAT appears in the display. To select your personalization for seat position exit, press the select button while EASY EXIT DRIVER SEAT is displayed on the DIC. Pressing the select button will scroll through the following choices: EASY EXIT SEAT: OFF (default): No seat exit recall will occur. EASY EXIT SEAT: ON: The driver’s seat will move to the exit position when the key is removed from the ignition. Choose one of the two options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. For more information on seat position exit see Memory Seat on page 2-51. 3-54 Display Units (ENG/MET) Press the personalization button until DISPLAY UNITS appears in the display. To select English or metric, press the select button while DISPLAY UNITS is displayed on the DIC. Pressing the select button will scroll through the following choices: (cid:127) UNITS: ENGLISH (cid:127) UNITS: METRIC If you choose English, all information will be displayed in English units. For example, distance in miles and fuel economy in miles per gallon. Choose one of the two options and press the personalization button while it is displayed on the DIC to select it and end out of the personalization options. Display Language To select your personalization for display language, press the select button while DISPLAY LANGUAGE is displayed on the DIC. Pressing the select button will scroll through the following languages: (cid:127) English French (cid:127) Spanish Choose one of the three options and press the personalization button while it is displayed on the DIC to select it. If you accidentally choose a language that you don’t want or understand, press and hold the personalization button and the trip information button at the same time. The DIC will begin scrolling through the languages in their particular language. English will be in English, French will be in French and so on. When you see the language that you would like, release both buttons. The DIC will then display the information in the language you chose. You can also scroll through the different languages by pressing and holding the trip reset stem for four seconds, as long as you are in the odometer mode. Select Button The select button is used to reset certain functions and turn off or acknowledge messages on the DIC display. The select button also toggles through the options available in each personalization menu. For example, this button will reset the trip odometers, turn off the FUEL LEVEL LOW message, and toggle through the languages you can select the DIC to display information in. 3-55 (cid:127) DIC Warnings and Messages Warning messages are displayed on the DIC to notify the driver that the status of the vehicle has changed and that some action may be needed by the driver to correct the condition. If there is more than one message that needs to be displayed they will appear one after another. Some messages may not require immediate action but you should press the select button to acknowledge that you received the message and clear it from the display. Some messages cannot be cleared from the display because they are more urgent; these messages require action before they can be removed from the DIC display. The following are the possible messages that can be displayed and some information about them. CHANGE ENGINE OIL This message is displayed when the engine oil needs to be changed and service is required for your vehicle. See Scheduled Maintenance on page 6-4 and Engine Oil on page 5-14 for more information. Also see “GM Oil Life System” previously in this section for information on how to reset the message. This message will clear itself after 10 seconds until the next ignition cycle. CHECK OIL LEVEL If the oil level in the vehicle is low, this message will appear on the DIC. Check the oil level and correct it as necessary. You may need to let the vehicle cool or warm up and cycle the ignition to be sure this message will clear. Once the problem is corrected, pressing the select button will clear this message from the DIC display. This message will clear itself after 10 seconds until the next ignition cycle. OIL LIFE RESET This message will appear on the display for about 10 seconds after resetting the change engine oil message. OIL PRESSURE LOW If low oil pressure levels occur, this message will be displayed on the DIC and a chime will sound. Stop the vehicle as soon as safely possible and do not operate it until the cause of the low oil pressure has been corrected. Check your oil as soon as possible and have your vehicle serviced. 3-56 ENGINE COOLANT HOT If the cooling system temperature gets hot, this message will appear in the DIC. Stop the vehicle and let the engine idle in PARK (P) to allow the coolant to reach a safe temperature. This message will clear when the coolant temperature drops to a safe operating temperature. Pressing the select button will clear it from the DIC display. LOW COOLANT LEVEL If your vehicle has a low coolant sensor and the engine coolant level is low, this message will appear on the DIC. Adding coolant will clear the message. This message will clear itself after 10 seconds until the next ignition cycle. ENGINE OVERHEATED If the engine cooling system reaches unsafe temperatures for operation, this message will appear in the DIC and you will hear a chime. Stop and turn off the vehicle as soon as it is safe to do so to avoid severe damage. This message will clear when the engine has cooled to a safe operating temperature. REDUCED ENGINE POWER This message is displayed when the cooling system temperature gets too hot and the engine further enters the engine coolant protection mode. See Engine Overheating on page 5-27 for further information. You may also see this message when the vehicle determines a problem with the electronic throttle control. See your dealer for service. BATTERY NOT CHARGING If the battery is not charging during operation, this message will appear on the DIC. Driving with this problem could drain your battery. Have the electrical system checked as soon as possible. Pressing the select button will clear it from the DIC display. 3-57 SERVICE AIR BAG If there is a problem with the air bag system, this message will be displayed on the DIC. Have a qualiﬁed technician inspect the system for problems. Pressing the select button will clear it from the DIC display. SERVICE BRAKE SYSTEM If a problem occurs with the brake system, this message will appear on the DIC. If this message appears, stop as soon as possible and turn off the vehicle. Restart the vehicle and check for the message on the DIC display. If the message is still displayed, or appears again when you begin driving, the brake system needs service. Pressing the select button will clear it from the DIC display. SERVICE 4WD If a problem occurs with the all–wheel drive system, this message will appear on the DIC. If this message appears, stop as soon as possible and turn off the vehicle. Restart the vehicle and check for the message on the DIC display. If the message is still displayed, or appears again when you begin driving, the four wheel drive system needs service. Pressing the select button will clear it from the DIC display. SERVICE AIR SUSPENSION If a problem occurs with the suspension system, this message will appear on the DIC. If this message appears, stop as soon as possible and turn off the vehicle. Restart the vehicle and check for the message on the DIC display. If the message is still displayed, or appears again when you begin driving, the air suspension system needs service. TURN SIGNAL ON If a turn signal is left on for 3/4 of a mile (1.2 km), this message will appear on the display and you will hear a chime. Move the turn signal/multifunction lever to the off position. Pressing the select button will clear it from the DIC display. FUEL LEVEL LOW If the fuel level is low, this message will appear on the DIC and you will hear a chime. Refuel as soon as possible. Pressing the select button will acknowledge this message immediately and clear it from the DIC display. It will also clear itself after 10 seconds. The low fuel light near the fuel gage will still remain on in either case. 3-58 TIGHTEN FUEL CAP If the vehicle’s fuel cap is not tightened properly this message may appear along with the check engine light on the instrument panel. See Malfunction Indicator Lamp on page 3-38. Reinstall the fuel cap, making sure to fully install the cap. See Filling Your Tank on page 5-7. 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 and message off. CHECK WASHER FLUID If the washer ﬂuid level is low, this message will appear on the DIC. Adding washer ﬂuid will clear the message. Pressing the select button will clear it from the DIC display. This message will clear itself after 10 seconds until the next ignition cycle. TRACTION ACTIVE When the traction control system has detected that any of the vehicle’s wheels are slipping, the traction control system will activate and this message will appear on the DIC. See Traction Control System (TCS) on page 4-9 for more information. TRANSMISSION HOT If the transmission ﬂuid temperature becomes high, the message center will display this message. When the transmission enters the protection mode, you may notice a change in the transmission shifting patterns. When the transmission ﬂuid temperature returns to normal, the display will turn off and the transmission shifting patterns will return to normal. Notice: transmission ﬂuid is overheating and the transmission temperature warning is displayed on the instrument panel cluster and/or DIC, you can damage the transmission. This could lead to costly repairs that would not be covered by your warranty. Do not drive your vehicle with overheated transmission ﬂuid or while transmission temperature warning is displayed. If you drive your vehicle while the 3-59 The following situations can cause the transmission to operate at higher temperatures: Towing a trailer (cid:127) Hot outside air temperatures (cid:127) Hauling a large or heavy load Low transmission ﬂuid level (cid:127) High transmission ﬂuid level (cid:127) Restricted air ﬂow to the radiator and the auxiliary transmission oil cooler (if equipped). A temporary solution to hotter transmission operating temperatures may be to let the transmission cool down. If the transmission is operated at higher temperatures on a frequent basis, see Scheduled Maintenance on page 6-4 for the proper transmission maintenance intervals. TRANS HOT IDLE ENGINE If the transmission ﬂuid gets hot, this message will appear on the DIC along with a continuous chime. Driving with the transmission ﬂuid temperature high can cause damage to the vehicle. Stop the vehicle and let it idle to allow the transmission to cool. This message will clear and the chime will stop when the ﬂuid temperature reaches a safe level. DRIVER DOOR AJAR If the driver’s door is not fully closed and the vehicle is in a drive gear, this message will appear on the display and you will hear a chime. Stop and turn off the vehicle, check the door for obstacles, and close the door again. Check to see if the message still appears on the DIC. Pressing the select button will clear it from the DIC display. 3-60 (cid:127) (cid:127) PASSENGER DOOR AJAR If the passenger’s door is not fully closed and the vehicle is in a drive gear, this message will appear on the display and you will hear a chime. Stop and turn off the vehicle, check the door for obstacles, and close the door again. Check to see if the message still appears on the DIC. Pressing the select button will clear it from the DIC display. LEFT REAR DOOR AJAR If the driver’s side rear door is not fully closed and the vehicle is in a drive gear, this message will appear on the display and you will hear a chime. Stop and turn off the vehicle, check the door for obstacles, and close the door again. Check to see if the message still appears on the DIC. Pressing the select button will clear it from the DIC display. RIGHT REAR DOOR AJAR If the passenger’s side rear door is not fully closed and the vehicle is in a drive gear, this message will appear on the display and you will hear a chime. Stop and turn off the vehicle, check the door for obstacles, and close the door again. Check to see if the message still appears on the DIC. Pressing the select button will clear it from the DIC display. REAR ACCESS OPEN If the liftgate is open while the ignition is in RUN, this message will appear on the DIC and you will hear a chime. Turn off the vehicle and check the liftgate. Restart the vehicle and check for the message on the DIC display. Pressing the select button will clear it from the DIC display. REPLACE LIFTGATE FUSE This message will be displayed if the liftgate lock malfunctions and/or the liftgate fuse blows. For more information on fuses, see Fuses and Circuit Breakers on page 5-102. If the message returns after replacing the fuse, see you dealer for service. KEYFOB X BATTERY LOW If a remote keyless entry transmitter battery is low, this message will appear on the DIC. The battery needs to be replaced in the transmitter. Pressing the select button will clear it from the DIC display. 3-61 Setting the Time Your radio may have a button marked with an H or HR to represent hours and an M or MN to represent minutes. Press and hold the hour button until the correct hour appears on the display. Press and hold the minute button until the correct minute appears on the display. The time may be set with the ignition on or off. To synchronize the time with an FM station broadcasting Radio Data System (RDS) information, press and hold the hour and minute buttons at the same time until RDS TIME appears on the display. To accept this time, press and hold the hour and minute buttons, at the same time, for another 2 seconds. If the time is not available from the station, NO UPDAT will appear on the display. RDS time is broadcast once a minute. Once you have tuned to an RDS broadcast station, it may take a few minutes for your time to update. Audio System(s) Notice: Before you add any sound equipment to your vehicle – like a tape player, CB radio, mobile telephone or two-way radio – be sure you can add what you want. If you can, it’s 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 improperly. So, before adding sound equipment, check with your dealer and be sure to check federal rules covering mobile radio and telephone units. Your audio system has been designed to operate easily and to give years of listening pleasure. You will get the most enjoyment out of it if you acquaint yourself with it ﬁrst. Figure out which radio you have in your vehicle, ﬁnd out what your audio system can do and how to operate all of its controls to be sure you’re getting the most out of the advanced engineering that went into it. Your vehicle has a feature called Retained Accessory Power (RAP). With RAP, you can play your audio system even after the ignition is turned off. See “Retained Accessory Power (RAP)” under Ignition Positions on page 2-19. 3-62 Radio with Cassette and CD Playing the Radio PWR (Power): Press this knob to turn the system on and off. VOL (Volume): Turn this knob to increase or to decrease volume. AUTO VOL (Automatic Volume): With automatic volume, your audio system will adjust automatically to make up for road and wind noise as you drive by increasing the volume as vehicle speed increases. Set the volume at the desired level. Press this button to select LOW, MEDIUM, or HIGH. AVOL will appear on the display. Each higher setting will provide more volume compensation as vehicle speed increases. To turn automatic volume off, press this button until AVOL OFF appears on the display. DISPL (Display): Press this knob to switch the display between the radio station frequency and the time. Time display is available with the ignition turned off. For RDS, press the DISPL knob to change what appears on the display while using RDS. The display options are station name, RDS station frequency, PTY, and the name of the program (if available). To change the default on the display, press the DISPL knob until you see the display you want, then hold the knob for two seconds. The radio will produce one beep and the selected display will now be the default. 3-63 Setting Preset Stations The six numbered pushbuttons let you return to your favorite stations. You can set up to 30 stations (six FM1, six FM2, and six AM), by performing the following steps: 1. Turn the radio on. 2. Press BAND to select FM1, FM2, AM. 3. Tune in the desired station. 4. Press AUTO EQ to select the equalization. 5. Press and hold one of the six numbered pushbuttons until you hear a beep. Whenever you press that numbered pushbutton, the station you set will return and the equalization that you selected will be automatically stored for that pushbutton. 6. Repeat the steps for each pushbutton. Finding a Station BAND: Press this button to switch between FM1, FM2, AM. The display will show your selection. TUNE: Turn this knob to select radio stations. q SEEK r: Press the right or the left arrow to go to the next or to the previous station and stay there. The radio will seek only to stations that are in the selected band and only to those with a strong signal. q PSCAN r: Press and hold either arrow for more than two seconds. SCAN will appear on the display and you will hear a beep. The radio will go to a station, play for a few seconds, then go on to the next station. Press either arrow again to stop scanning. To scan preset stations, press and hold either arrow for more than four seconds. PSCN will appear on the display and you will hear two beeps. The radio will go to the ﬁrst preset station, play for a few seconds, then go on to the next preset station. Press either arrow again or one of the pushbuttons to stop scanning. The radio will scan only to stations that are in the selected band and only to those with a strong signal. 3-64 Setting the Tone (Bass/Treble) Adjusting the Speakers (Balance/Fade) AUDIO: Push and release the AUDIO knob until BASS or TREB appears on the display. Turn the knob to increase or to decrease. The display will show the bass or treble level. If a station is weak or noisy, you may want to decrease the treble. To adjust the bass and treble to the middle position, push and hold the AUDIO knob. The radio will produce one beep and adjust the display level to the middle position. To adjust all tone and speaker controls to the middle position, push and hold the AUDIO knob when no tone or speaker control is displayed. ALL will appear on the display, you will hear a beep, and the display level will be adjusted to the middle position. AUTO EQ (Automatic Equalization): Press this button to select customized equalization settings. The radio will save separate AUTO EQ settings for each preset and source. If you radio is equipped with the Bose audio system, your equalization settings are either CUSTOM or TALK. AUDIO: To adjust the balance between the right and the left speakers, push and release the AUDIO knob until BAL appears on the display. Turn the knob to move the sound toward the right or the left speakers. To adjust the fade between the front and the rear speakers, push and release the AUDIO knob until FADE appears on the display. Turn the knob to move the sound toward the front or the rear speakers. To adjust the balance and fade to the middle position, push the AUDIO knob then push it again and hold it until the radio produces one beep. The balance and fade will be adjusted to the middle position and the display will show the speaker balance. To adjust all tone and speaker controls to the middle position, push and hold the AUDIO knob when no tone or speaker control is displayed. ALL will appear on the display, you will hear a beep, and the display level will be adjusted to the middle position. 3-65 Radio Data System (RDS) Your audio system is equipped with a Radio Data System (RDS). RDS features are available for use only on FM stations that broadcast RDS information. With RDS, your radio can do the following: (cid:127) Seek to stations broadcasting the selected type of programming (cid:127) Receive announcements concerning local and national emergencies (cid:127) Display messages from radio stations (cid:127) Seek to stations with traffic announcements This system relies upon receiving speciﬁc information from these stations and will only work when the information is available. In rare cases, a radio station may broadcast incorrect information that will cause the radio features to work improperly. If this happens, contact the radio station. While you are tuned to an RDS station, the station name or the call letters will appear on the display instead of the frequency. RDS stations may also provide the time of day, a program type (PTY) for current programming, and the name of the program being broadcast. Finding a Program Type (PTY) Station To select and ﬁnd a desired PTY perform the following: 1. Turn the P-TYPE knob to activate program type select mode. TYPE and a PTY will appear on the display. 2. Turn the P-TYPE knob to select a PTY. 3. Once the desired PTY is displayed, press the SEEK TYPE button or either SEEK arrow to take you to the PTY’s ﬁrst station. 4. If you want to go to another station within that PTY and the PTY is displayed, press the SEEK TYPE button once. If the PTY is not displayed, press the SEEK TYPE button twice to display the PTY and then to go to another station. 5. Press the P-TYPE knob to exit program type select mode. If PTY times out and is no longer on the display, go back to Step 1. If both PTY and TRAF are on, the radio will search for stations with the selected PTY and traffic announcements. If the radio cannot ﬁnd the desired program type, NONE will appear on the display and the radio will return to the last station you were listening to. 3-66 SCAN: You can scan the stations within a PTY by performing the following: 1. Turn the P-TYPE knob to activate program type select mode. TYPE and a PTY will appear on the display. 2. Turn the P-TYPE knob to select a PTY. 3. Once the desired PTY is displayed, press either SCAN arrow, and the radio will begin scanning the stations in the PTY. 4. Press either SCAN arrow to stop at a station. If both PTY and TRAF are on, the radio will scan for stations with the selected PTY and traffic announcements. BAND (Alternate Frequency): Alternate frequency allows the radio to switch to a stronger station with the same program type. To turn alternate frequency on, press and hold BAND for two seconds. AF ON will appear on the display. The radio may switch to stronger stations. To turn alternate frequency off, press and hold BAND again for two seconds. AF OFF will appear on the display. The radio will not switch to other stations. Setting Preset PTYs (RDS Only) The six numbered pushbuttons let you return to your favorite PTYs. These buttons have factory PTY presets. You can set up to 12 PTYs (six FM1 and six FM2) by performing the following steps: 1. Press BAND to select FM1 or FM2. 2. Turn the P-TYPE knob to activate program type select mode. TYPE and a PTY will appear on the display. 3. Turn the P-TYPE knob to select a PTY. 4. Press and hold one of the six numbered pushbuttons until you hear a beep. Whenever you press that numbered pushbutton, the PTY you set will return. 5. Repeat the steps for each pushbutton. 3-67 When a message is not available from a station, NO INFO will appear on the display. TRAF (Traffic): If TRAF appears on the display, the tuned station broadcasts traffic announcements and when a traffic announcement comes on the tuned radio station you will hear it. If the current tuned station does not broadcast traffic announcements, press this button and the radio will seek to a station that does. When the radio ﬁnds a station that broadcasts traffic announcements, the radio will stop and TRAF will be displayed. When a traffic announcement comes on the tuned radio station you will hear it. If no station is found, NO TRAFFIC will appear on the display. If TRAF is on the display you can press the TRAF button to turn off the traffic announcements. Your radio will play the traffic announcement even if the volume is low. Your radio will interrupt the play of a cassette tape or a CD if the last tuned station broadcasts traffic announcements. RDS Messages ALERT!: Alert warns of local or national emergencies. When an alert announcement comes on the current radio station, ALERT! will appear on the display. You will hear the announcement, even if the volume is muted or a cassette tape or compact disc is playing. If a cassette tape or CD is playing, play will stop during the announcement. You will not be able to turn off alert announcements. ALERT! will not be affected by tests of the emergency broadcast system. This feature is not supported by all RDS stations. INFO (Information): If the current station has a message, the information symbol will appear on the display. Press this button to see the message. The message may display the artist, song title, call in phone numbers, etc. If the whole message is not displayed, parts of the message will appear every three seconds. To scroll through the message at your own speed, press the INFO button repeatedly. A new group of words will appear on the display with each press. Once the complete message has been displayed, the information symbol will disappear from the display until another new message is received. The old message can be displayed by pressing the INFO button. You can view an old message until a new message is received or a different station is tuned to. 3-68 Radio Messages CAL ERR (Calibration Error): Your audio system has been calibrated for your vehicle from the factory. If CAL ERR appears on the display, it means that your radio has not been conﬁgured properly for the vehicle and must be returned to the dealer for service. LOCKED: This message is displayed when the THEFTLOCK® system has locked up. You must return to the dealer for service. Playing a Cassette Tape Your tape player is built to work best with tapes that are up to 30 to 45 minutes long on each side. Tapes longer than that are so thin they may not work well in this player. The longer side with the tape visible should face to the right. If the ignition is on, but the radio is off, the tape can be inserted and will begin playing. A tape symbol is shown on the display whenever a tape is inserted. If you hear nothing or hear a garbled sound, the tape may not be in squarely. Press the eject button to remove the tape and start over. While the tape is playing, use the VOL, AUDIO, and SEEK controls just as you do for the radio. TAPE will appear on the display and an arrow showing which side of the tape is playing. The tape player automatically begins playing the other side when it reaches the end of the tape. If you want to insert a tape while the ignition is off, ﬁrst press the eject button or the DISPL knob. Cassette tape adapter kits for portable CD players will work in your cassette tape player. Your tape bias is set automatically when a metal or chrome tape is inserted. If an error appears on the display, see “Cassette Tape Messages” later in this section. 1 PREV (Previous): Your tape must have at least three seconds of silence between each selection for previous to work. Press this pushbutton to go to the previous selection on the tape if the current selection has been playing for less than three seconds. If pressed when the current selection has been playing from 3 to 13 seconds, it will go to the beginning of the previous selection or the beginning of the current selection, depending upon the position on the tape. If pressed when the current selection has been playing for more than 13 seconds, it will go to the beginning of the current selection. SEEK and a negative number will appear on the display while the cassette player is in the previous mode. Pressing this pushbutton multiple times will increase the number of selections to be searched back, up to -9. 3-69 2 NEXT: Your tape must have at least three seconds of silence between each selection for next to work. Press this pushbutton to go to the next selection on the tape. If you press the pushbutton more than once, the player will continue moving forward through the tape. SEEK and a positive number will appear on the display. 3 REV (Reverse): Press this pushbutton to reverse the tape rapidly. Press it again to return to playing speed. The radio will play while the tape reverses. The station frequency and REV will appear on the display. You may select stations during reverse operation by using TUNE and SEEK. 4 FWD (Forward): Press this pushbutton to advance the tape rapidly. Press this pushbutton again to return to playing speed. The radio will play while the tape advances. The station frequency and FWD will appear on the display. You may select stations during forward operation by using TUNE and SEEK. 5 SIDE: Press this pushbutton to play the other side of the tape. q SEEK r: The right arrow is the same as the NEXT pushbutton, and the left arrow is the same as the PREV pushbutton. If you hold either arrow or press it more than once, the player will continue moving forward or backward through the tape. SEEK and a positive or negative number will appear on the display. q PSCAN r: Press and hold either PSCAN arrow for more than two seconds until PSCAN appears on the display and you hear a beep. The radio will go to the next selection, play for 10 seconds, then go on to the next selection. Press either SCAN arrow again, to stop scanning. Your tape must have at least three seconds of silence between each selection for scan to work. BAND: Press this button to listen to the radio when a cassette tape or CD is playing. The inactive tape or CD will remain safely inside the radio for future listening. TAPE DISC: Press this button to play a cassette tape or CD when listening to the radio. The inactive tape or CD will remain safely inside the radio for future listening. Z (Eject): Press this button to stop a tape when it is playing or to eject a tape when it is not playing. Eject may be activated with the radio off. Cassette tapes may be loaded with the radio off if this button is pressed ﬁrst. 3-70 Cassette Tape Messages CHK TAPE (Check Tape): If CHK TAPE appears on the display, the tape will not play because of one of the following errors:

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2004 Hummer H2 Owners Manual