2005 Chevrolet Silverado Owners Manual

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group. See Airbag Off Switch on page 1-69 for more on this, including important safety information. If the airbag readiness light ever comes on when you have turned off the airbag, it means that something may be wrong with the airbag system. The right front passenger’s airbag could inﬂate even though the switch is off. If your vehicle is a regular cab pickup and this ever happens, do not let anyone whom the national government has identiﬁed as a member of a passenger airbag risk group sit in the right front passenger’s position (for example, do not secure a rear-facing child restraint in your vehicle) until you have your vehicle serviced. If your vehicle is an extended cab pickup and this ever happens, do not let anyone whom the national government has identiﬁed as a member of the passenger airbag risk group sit in the right front passenger’s position (for example, do not secure a rear-facing child restraint in the right front passenger’s seat) until you have your vehicle serviced. 3-35 Passenger Airbag Status Indicator If your vehicle has the passenger sensing system, your rearview mirror will have a passenger airbag status indicator. Passenger Airbag Status Indicator – United States Passenger Airbag Status Indicator – Canada When the ignition key is turned to RUN or START, the passenger airbag status indicator will light ON and OFF, or the symbol for on and off, for several seconds as a system check. 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 right front passenger’s frontal airbag. 3-36 If the word ON or the on symbol is lit on the passenger airbag status indicator, it means that the right front passenger’s frontal airbag is 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 frontal airbag. 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 unless the airbag has been turned off. If the word OFF or the off symbol is lit on the passenger airbag status indicator, it means that the passenger sensing system or the airbag off switch has turned off the right front passenger’s airbag. See Passenger Sensing System on page 1-72 or Airbag Off Switch on page 1-69 for more on this, including important safety information. {CAUTION: {CAUTION: If the right front passenger’s airbag is turned off for a person who is not in a risk group identiﬁed by the national government, that person will not have the extra protection of an airbag. In a crash, the airbag will not be able to inﬂate and help protect the person sitting there. Do not turn off the passenger’s airbag unless the person sitting there is in a risk group. See Airbag Off Switch on page 1-69 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. 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 airbag. See Airbag Readiness Light on page 3-34. 3-37 Battery Warning Light Voltmeter Gage If this light is displayed when the engine is running, you may have a problem with your charging system. When your engine is not running, but the ignition is in RUN, this gage shows your battery’s state of charge in DC volts. The battery display will also stay on while the key is in RUN until the engine is started. If the light stays on after starting the engine it could indicate a problem with the generator drive belt, or some other charging system problem. Have it checked right away. Driving with this light displayed could drain your battery. If you must drive a short distance with this light displayed, it helps to turn off all your accessories, such as the radio and the air conditioner. When the engine is running, the gage shows the condition of the charging system. The gage may transition from a higher to lower or a lower to higher reading, this is normal. Readings between the low and high warning zones indicate the normal operating range. The voltmeter gage may also read lower when in fuel economy mode. This is normal. 3-38 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. Up-Shift Light (Manual Transmission) This light is used on some models with manual transmissions. The shift indicator light will show you when to shift to the next highest gear, and will help you get the best fuel economy. 3-39 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. 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 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 4-62. {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. 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. 3-40 Anti-Lock Brake System Warning Light Traction Off Light With the anti-lock brake system, this light will come on when you start your engine and may stay on for several seconds. If you have the Traction Assist System, this light should come on brieﬂy when you turn the ignition to RUN. 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 3-40. If the light doesn’t come on then, the system may require service; have it ﬁxed so it will be there to warn you if the system is turned off. If the light stays on, or comes on when you’re driving, there may be a problem with your Traction Assist System and your vehicle may need service. When this light is on, the system will not limit wheel spin. Adjust your driving accordingly. The traction off light may come on for the following reasons: If you turn the system off by pressing the TAS on/off button located to the left of the steering wheel, the light will come on and stay on. To turn the system back on, press the button again; the light should go off. 3-41 (cid:127) If you move the shift lever to FIRST (1), the light will come on and stay on to indicate that the traction system is off. This is normal operation. To turn the system back on, move the shift lever back to a position other than FIRST (1); the light should go off. See Traction Assist System (TAS) on page 4-8. The light will come on and stay on if the TAS automatic engagement feature has been turned off. To turn the system on, press the TAS off/on button; the light should go off. To turn the automatic engagement feature back on, see Traction Assist System (TAS) on page 4-8. If the Traction Assist System is affected by an anti-lock brake system, TAS or engine-related problem, the system will turn off and the light will come on. Have your vehicle serviced. If the vehicle is driven over an extremely rough road, the system will turn off and the light will come on. The light will go off a few seconds after the rough road conditions go away or when the vehicle comes to a complete stop. This is normal operation. 3-42 Engine Coolant Temperature Gage 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 5-38. (cid:127) (cid:127) (cid:127) (cid:127) Transmission Temperature Gage United States Canada Your vehicle may be 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 180°F (82°C) to about 200°F (93°C). At approximately 265°F (130°C), the driver information center 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 3-50 for further information. If your vehicle has an Allison transmission, and the ﬂuid reaches temperatures of approximately 275°F (135°C) or greater, the driver information center will display a TRANS HOT IDLE ENGINE warning message and a chime will sound until the temperature falls below 265°F (129°C). 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 265°F (129°C). If the transmission continues to operate above 265°F (130°C), contact your nearest dealer or the GM Roadside Assistance Center. See Roadside Assistance Program on page 7-6. 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 3-43 The following situations can cause the transmission to operate at higher temperatures: Towing a trailer (cid:127) Hot outside air temperatures (cid:127) Vehicle overloading (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. 3-44 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 (cid:127) (cid:127) 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. 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. 3-45 (cid:127) (cid:127) (cid:127) 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 5-10. 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 5-6. 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. 3-46 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. Oil Pressure Gage 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 “OIL PRESSURE LOW” under DIC Warnings and Messages on page 3-54 and Engine Oil (Gasoline Engine) on page 5-20. 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). {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. 3-47 Security Light Highbeam On Light This light ﬂashes when the vehicle security system is activated. This light will illuminate when the headlamp high beams are in use. Cruise Control Light This light comes on whenever you set your cruise control. The light will go out when the cruise control is turned off. See Cruise Control on page 3-10 for more information. See Headlamp High/Low-Beam Changer on page 3-8. Four-Wheel-Drive Light The four-wheel-drive indicator will light up when you shift a manual transfer case into four-wheel drive and the front axle engages. Some delay between shifting and the indicator’s lighting is normal. See Four-Wheel Drive on page 2-37 for more information. 3-48 Tow/Haul Mode Light Fuel Gage This light is displayed when the Tow/Haul mode has been activated. For more information, see Tow/Haul Mode on page 2-30. Overdrive Disable (Allison Transmission® Only) This light will illuminate when the overdrive disable feature is activated. The overdrive disable feature will prevent your vehicle from shifting into ﬁfth (5) gear. 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. When the fuel tank is low the FUEL LEVEL LOW message will appear. See DIC Warnings and Messages on page 3-54 for more information. 3-49 Driver Information Center (DIC) The Driver Information Center (DIC) display is located on the instrument panel cluster, below the speedometer. The DIC buttons, if equipped, are located on the steering wheel. The DIC can display information such as the trip odometer, fuel economy, customization features and warning/status messages. If your vehicle is not equipped with the DIC steering wheel buttons, you will not have all of the features listed. You will scroll through the odometer, trip odometer and engine hours by pressing the trip odometer reset stem located on the instrument panel cluster. You will also turn off, or acknowledge, DIC messages by pressing the trip odometer reset stem. See Speedometer and Odometer on page 3-33 for information on features for vehicles without DIC buttons. 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. If you have a diesel engine, see “Fuel Gage” in the Diesel Engine Supplement. 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. 3-50 (cid:127) (cid:127) DIC Operation and Displays The Driver Information Center (DIC) comes on when the ignition is on. After a short delay, the DIC will display the information that was last displayed before the engine was turned off. The DIC has different modes which can be accessed by pressing the four DIC buttons located on the steering wheel. These buttons are trip information, fuel information, customization and select. The button functions are detailed in the following pages. Trip Information Button 3 (Trip Information): Press the trip information button to scroll through the ODOMETER, TRIP A, TRIP B, TIMER and ENGINE HOURS. Odometer: Press the trip information button until ODOMETER appears on the display. This mode 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. Trip A: Press the trip information button until TRIP A appears on the display. This mode shows the current distance traveled since the last reset for TRIP A in either miles or kilometers. 3-51 A 3 (Trip Information): Press this button to display the odometer, trip odometers, tire pressure for vehicles equipped with a tire pressure monitor, timer and engine hours. B r (Fuel Information): Press this button to display the current range, fuel used, average fuel economy and engine oil life. C 4 (Customization): Press this button to access the vehicle settings menu and customize the personal settings on your vehicle. D r (Select): Press this button to reset certain DIC functions and set your customization settings. Pressing any of the four DIC buttons will acknowledge DIC messages and clear them from the DIC display. Trip B: Press the trip information button until TRIP B appears on the display. This mode shows the current distance traveled since the last reset for TRIP B in either miles or kilometers. To reset TRIP A or TRIP B information, press and hold the select button for one second while in one of the trip modes. This will reset the information for TRIP A or TRIP B. You can also reset TRIP A or TRIP B while they are displayed by pressing the reset stem on the cluster. If you press and hold the reset stem or the select button for four seconds, the display will show the distance traveled since the last ignition cycle for TRIP A or TRIP B. 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. 3-52 Engine Hours: Press the trip information button until ENGINE HOURS appears on the display. This mode shows the total number of hours the engine has run. Pressing and holding the reset stem located on the instrument cluster for about four seconds will also display the engine hour information after the odometer is displayed when the vehicle is off. Fuel Information Button t (Fuel Information): Press the fuel information button to scroll through the range, fuel used, average fuel economy and the engine oil life system. Fuel Range: Press the fuel information button until RANGE appears on the display. This mode shows the remaining distance you can drive without refueling. It is 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. Fuel Used: Press the fuel information button until FUEL USED appears on the display. This mode shows the number of gallons or liters of fuel used since the last reset of this menu item. To reset the fuel used information, press and hold the select button for one second while FUEL USED is displayed. In addition to the engine oil life system monitoring the oil life, additional maintenance is recommended in the Maintenance Schedule in this manual. See Engine Oil (Gasoline Engine) on page 5-20 and Scheduled Maintenance on page 6-4. Customization Button 4(Customization): Press the customization button to access the VEHICLE SETTINGS menu and customize the settings to your vehicle. See DIC Vehicle Customization on page 3-63 for more information. Select Button r (Select): Press the select button to reset certain DIC functions and set your customization settings. For example, this button will reset the trip odometers and scroll through the languages in which you can select the DIC to display information. Average Fuel Economy: Press the fuel information button until AVG ECON appears on the display. This mode shows how many miles per gallon (MPG) or liters per 100 kilometers (L/100 km) your vehicle is getting based on current and past driving conditions. Press and hold the select button for one second 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. Engine Oil Life System: Press the fuel information button until ENGINE OIL LIFE appears on the display. The engine 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 system after an oil change. To reset the engine 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. See Engine Oil Life System (Gasoline Engine) on page 5-23 for more information. 3-53 DIC Warnings and Messages Warning messages are displayed on the Driver Information Center (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 any of the four DIC buttons on the steering wheel, if equipped, to acknowledge that you received the messages and clear them from the display. If your vehicle is not equipped with DIC buttons on the steering wheel, press the trip odometer reset stem located on the instrument panel cluster to acknowledge messages and clear them 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. You should take any messages that appear on the display seriously and remember that clearing the messages will only make the messages disappear, not correct the problem. The following are the possible messages that can be displayed and some information about them. BATTERY NOT CHARGING On some vehicles, 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 by your GM dealer as soon as possible. Pressing any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. See Battery Warning Light on page 3-38 and Voltmeter Gage on page 3-38. BUCKLE PASSENGER If your vehicle is equipped with the passenger sensing system, this message reminds you to buckle the passenger’s seat belt. See Passenger Sensing System on page 1-72. 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. 3-54 This 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. Pressing any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. BUCKLE SEATBELT If your vehicle is equipped with the passenger sensing system, this message reminds you to buckle the driver’s seat belt. See Passenger Sensing System on page 1-72. 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 3-33 for more information. Pressing any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. CHARGING SYSTEM FAILURE On some vehicles, if there is a problem with the generator and battery charging system, this message will appear on the DIC, a chime will sound and the battery warning light on the instrument panel cluster will come on. Driving with this problem could drain your battery. Turn off all unnecessary accessories. Stop and turn off the vehicle as soon as it is safe to do so. Have the electrical system checked by your GM dealer immediately. See Battery Warning Light on page 3-38 and Voltmeter Gage on page 3-38 for more information. 3-55 DRIVER DOOR AJAR If the driver’s door is not fully closed, 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 any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. 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), or FIRST (1) for manual transmissions, to allow the coolant to reach a safe temperature. This message will clear when the coolant temperature drops to safe operating temperature. CHECK OIL LEVEL If your vehicle is equipped with an oil level sensor, and 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 any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. See Engine Oil (Gasoline Engine) on page 5-20 for additional information. CHECK WASHER FLUID If the washer ﬂuid level is low, this message will appear on the DIC. See Windshield Washer Fluid on page 5-48. Adding washer ﬂuid will clear the message. Pressing any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. 3-56 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. Notice: If you drive your vehicle while the engine is overheating, severe engine damage may occur. If an overheat warning appears on the instrument panel cluster and/or DIC, stop the vehicle as soon as possible. Do not increase the engine speed above normal idling speed. See Engine Overheating on page 5-38 for more information. 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 any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. See Fuel Gage on page 3-49 and Fuel on page 5-5. 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. See “Battery Replacement” under Remote Keyless Entry System Operation on page 2-6. Pressing any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. LEFT REAR DOOR AJAR (Crew Cab) If the driver’s side rear door is not fully closed, 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 any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. 3-57 LOW COOLANT LEVEL If your vehicle is equipped with a low coolant level sensor, this message will appear on the DIC if the engine coolant level is low. Adding coolant will clear the message. See Cooling System on page 5-40. Pressing any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. Notice: Engine damage from running your engine without coolant is not covered by your warranty. See “Overheated Engine Protection Operating Mode” in the Index for information on driving to a safe place in an emergency. OIL LIFE RESET This message will appear on the display for about 10 seconds after resetting the change engine oil message. See “Engine Oil Life System” under DIC Operation and Displays on page 3-51 and Engine Oil (Gasoline Engine) on page 5-20 for more information. 3-58 If you drive your vehicle while the engine 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 by your GM dealer. See Engine Oil (Gasoline Engine) on page 5-20. Notice: oil pressure is low, severe engine damage may occur. If a low oil pressure warning appears on the Driver Information Center (DIC), stop the vehicle as soon as possible. Do not drive the vehicle until the cause of the low oil pressure is corrected. See Engine Oil (Gasoline Engine) on page 5-20 for more information. PASSENGER DOOR AJAR If the passenger’s door is not fully closed, 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 any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. RANGE SHIFT INHIBITED (Allison Transmission® Only) If the transmission is unable to shift into a selected gear, this message will appear on the DIC. The electronic shift position indicator on the instrument panel cluster may blink when this occurs. To make the vehicle shift to the requested gear, you may have to shift back to PARK (P) or NEUTRAL (N) and re-select the desired gear. 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 5-38 for additional information. RIGHT REAR DOOR AJAR (Crew Cab) If the passenger’s side rear door is not fully closed, 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 any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. SERVICE 4WD If a problem occurs with the four-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. See your GM dealer. SERVICE 4 WHEEL STEER If a problem occurs with the four-wheel steer 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 steer system needs service. See your GM dealer. See QUADRASTEER™ on page 4-14 for more information. 3-59 SERVICE AIRBAG If there is a problem with the airbag system, this message will be displayed on the DIC. Have your GM dealer inspect the system for problems. See Airbag Readiness Light on page 3-34 and Airbag System on page 1-62 for more information. Pressing any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. SERVICE BRAKE BOOSTER If your vehicle has vacuum assist power brakes, this message will be displayed on the DIC when there is a problem with the Supplemental Brake Assist system. If the message is displayed immediately after starting the vehicle or the message appears while driving, your Supplemental Brake Assist system needs service. See your GM dealer. See Brake System Warning Light on page 3-40 for additional information. {CAUTION: Your brake system may not be working properly if the SERVICE BRAKE BOOSTER message is displayed. If the brake system warning light is also on, you should have the vehicle towed for service. See Brake System Warning Light on page 3-40. If the brake system warning light is not on, you still have brakes, but the supplemental brake assist system on vehicles with rear disc brakes may not operate properly. In the event of a vacuum loss, you may not have vacuum power assist for braking. The brake pedal will be harder to push and it will take longer to stop. If you continue to drive with this message displayed it can lead to a crash. Have the brake system serviced as soon as possible. 3-60 SERVICE BRAKE SYSTEM If there is a problem with the brake system, this message will be displayed 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. See your GM dealer. SERVICE CHARGING SYSTEM On some vehicles, if there is a problem with the battery charging system, this message will appear on the DIC. Under certain conditions, the battery warning light may also turn on in the instrument panel cluster. See Battery Warning Light on page 3-38. The battery will not be charging at an optimal rate and the vehicle will lose the ability to enter the fuel economy mode. The vehicle is safe to drive, however you should have the electrical system checked by your GM dealer. Pressing any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. SERVICE RIDE CONTROL If a problem occurs with the suspension system, this message will appear on the DIC. If this message appears, stop 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. See your GM dealer. 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 3-44. Fully reinstall the fuel cap. See Filling Your Tank on page 5-10. 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. TRACTION ACTIVE When the traction control system had detected that any of the vehicle’s wheels are slipping, the traction control system will activate and this message will appear on the DIC. For more information, see Traction Assist System (TAS) on page 4-8. 3-61 If you drive your vehicle while the TRANS HOT IDLE ENGINE If the transmission ﬂuid in the vehicle gets hot, this message will appear on the DIC and you will hear a chime. The chime will stop when the transmission ﬂuid temperature is less that 265°F (129°C). 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 when the ﬂuid temperature reaches a safe level. See Transmission Temperature Gage on page 3-43. 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. TRANSMISSION HOT If the transmission ﬂuid temperature becomes high, this message will appear on the DIC display. 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. 3-62 If you drive your vehicle while the 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. 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 (cid:127) Over-loading Low transmission ﬂuid level (cid:127) High transmission ﬂuid level (cid:127) Restricted air ﬂow to the radiator and the auxiliary transmission oil cooler 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. Also see Transmission Temperature Gage on page 3-43 for more information. (cid:127) (cid:127) 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 any of the four DIC buttons, if equipped, will acknowledge the message and clear it from the DIC display. If your vehicle is not equipped with the four DIC buttons, pressing the trip odometer reset stem will acknowledge the message and clear it from the DIC display. DIC Vehicle Customization Your vehicle may have customization capabilities that allow you to program some features to one setting based on your preference. All of the customizable options listed may not be available on your vehicle. Only the options available will be displayed on your Driver Information Center (DIC). The default settings for the customization features were set when your vehicle left the factory, but may have been changed from their default state since then. To change feature preferences, make sure the ignition is on and the vehicle is in PARK (P). Press the customization button to scroll through the available customizable options. After pressing the customization button, VEHICLE SETTINGS will momentarily display before going to a customization option. Lock Doors (Automatic Transmission only) If you have an automatic transmission vehicle, press the customization button until LOCK DOORS appears in the display. To select your preference for automatic locking, press the select button while LOCK DOORS is displayed on the DIC. Pressing the select button will scroll through the following choices: LOCK DOORS: IN GEAR (default): The doors will lock when the vehicle is shifted out of PARK (P). LOCK DOORS: WITH SPEED: The doors will lock when the vehicle speed is above 8 mph (13 km/h) for three seconds. Choose one of the available options and press the customization 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 2-11. 3-63 Unlock Doors (Automatic Transmission only) If you have an automatic transmission vehicle, press the customization button until UNLOCK DOORS appears in the display. To select your preference for automatic unlocking, press the select button while UNLOCK DOORS is displayed on the DIC. Pressing the select button will scroll through the following choices: UNLOCK DOORS: IN PARK (default): All of the doors will unlock when the vehicle is shifted into PARK (P). UNLOCK DRIVER: IN PARK: The driver’s door will be unlocked when the vehicle is shifted into PARK (P). UNLOCK DOORS: 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. Choose one of the available options and press the customization 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 2-11. Door Lock Delay (Crew Cab only) If your DIC does not have this feature, you still may be able to program the delayed locking feature. See Delayed Locking on page 2-10 for more information. 3-64 When locking the doors with the power lock switch or the keyless entry transmitter and a door is open, the delayed locking feature will delay locking the doors until ﬁve seconds after the last door is closed. Press the customization button until DOOR LOCK DELAY appears in the display. To select your preference for delayed locking, press the select button while DOOR LOCK DELAY is displayed on the DIC. Pressing the select button will scroll through the following choices: DOOR LOCK DELAY: OFF (default): The doors will lock immediately when pressing the power lock switch or the lock button on the keyless entry transmitter. DOOR LOCK DELAY: ON: The doors will not lock until ﬁve seconds after the last door 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. Choose one of the available options and press the customization 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 2-11. This feature will not operate if the key is in the ignition. Lock Feedback Press the customization button until LOCK FEEDBACK appears in the display. To select your preference for the feedback you receive when locking the vehicle with the remote keyless entry transmitter, press the select button while LOCK FEEDBACK is displayed on the DIC. Pressing the select button will scroll through the following choices: Unlock Feedback Press the customization button until UNLOCK FEEDBACK appears in the display. To select your preference for the feedback you will receive when unlocking the vehicle with the remote keyless entry transmitter, press the select button while UNLOCK 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: LAMPS: The parking lamps will ﬂash each time you press the button with the lock symbol on the remote keyless entry transmitter. 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: OFF: There will be no feedback when locking the vehicle. Choose one of the available options and press the customization button while it is displayed on the DIC to select it and move on to the next feature. 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. UNLOCK FEEDBACK: HORN: The horn will chirp the second time you press the button with the unlock symbol on the remote keyless entry transmitter. 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. Choose one of the available options and press the customization button while it is displayed on the DIC to select it and move on to the next feature. 3-65 Headlamp Delay Press the customization button until HEADLAMP DELAY appears in the display. To select your preference for how long the headlamps will stay on when you turn off the vehicle, press the select button while HEADLAMP DELAY 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: 1 MIN (cid:127) HEADLAMP DELAY: 2 MIN (cid:127) HEADLAMP DELAY: 3 MIN (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 available options and press the customization button while it is displayed on the DIC to select it and move on to the next feature. 3-66 Perimeter Lights Press the customization button until PERIMETER LIGHTS appears in the display. To select your preference for perimeter lighting, press the select button while PERIMETER LIGHTS is displayed on the DIC. Pressing the select button will scroll through the following choices: PERIMETER LIGHTS: 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. PERIMETER LIGHTS: OFF: The perimeter lights will not come on when you unlock the vehicle with the remote keyless entry transmitter. Choose one of the available options and press the customization button while it is displayed on the DIC to select it and move on to the next feature. Easy Exit Seat Press the customization button until EASY EXIT SEAT appears in the display. To select your preference for seat position exit, press the select button while EASY EXIT 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 available options and press the customization 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 2-76. Curb View Press the customization button until CURB VIEW appears in the display. To select your preference for curb view, press the select button while CURB VIEW is displayed on the DIC. Pressing the select button will scroll through the following choices: 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 available options and press the customization 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 Curb View Assist Mirrors on page 2-64. Alarm Warning Press the customization button until ALARM WARNING appears in the display. To select your preference for alarm warning, press the select button while ALARM WARNING 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). ALARM WARNING: BOTH (default): The headlamps will ﬂash and the horn will chirp when the alarm is active. 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). 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. 3-67 Choose one of the available options and press the customization 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 2-19. Elevated Idle (DURAMAX™ Diesel Engine only) The elevated idle feature is available on diesel engine vehicles only. Press the customization button until ELEVATED IDLE appears in the display. To select your preference for elevated idle, press the select button while ELEVATED IDLE is displayed on the DIC. Pressing the select button will scroll through the following choices: ELEVATED IDLE: OFF (default): The elevated idle/exhaust restrictor feature is turned off. See “Elevated Idle/Exhaust Restrictor” under Starting and Operating Your Vehicle in your DURAMAX™ Diesel supplement. ELEVATED IDLE: ON: The elevated idle/exhaust restrictor feature is turned on. See “Elevated Idle/Exhaust Restrictor” under Starting and Operating Your Vehicle in your DURAMAX™ Diesel supplement. Choose one of the available options and press the customization button while your choice is displayed on the DIC to select it and move on to the next feature. 3-68 Language To select your preference for display language, press the select button while LANGUAGE is displayed on the DIC. Pressing the select button will scroll through the following languages: (cid:127) ENGLISH FRANCAIS (French) (cid:127) ESPANOL (Spanish) Choose one of the available options and press the customization button while it is displayed on the DIC to select it. If you accidentally choose a language that you do not want or understand, press and hold the customization 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, Francais will be in French and Espanol will be in Spanish. 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. (cid:127) Display Units Press the customization 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) DISPLAY UNITS: ENGLISH (cid:127) DISPLAY 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 available options and press the customization button while it is displayed on the DIC to select it and end out of the customizable options. Audio System(s) Notice: Before adding any sound equipment to your vehicle, like a tape 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 improperly. Figure out which audio system is in your vehicle, ﬁnd out what your audio system can do, and how to operate all of its controls. Your vehicle may have 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 2-23 for more information. Setting the Time for Radios without Radio Data Systems (RDS) Press and hold HR until the correct hour appears on the display. Press and hold MIN until the correct minute appears on the display. There is an initial two-second delay before the clock goes into time-set mode. Display the time with the ignition off, by pressing RCL, HR, or MIN. 3-69 Setting the Time for Radios with Radio Data Systems (RDS) The 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 can 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 two seconds. If the time is not available from the station, NO UPDAT will appear on the display. RDS time is broadcast once a minute. After tuning to an RDS broadcast station, it may take a few minutes for the time to update. 3-70 AM-FM Radio 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 the volume. RCL (Recall): Press this knob to switch the display between the radio station frequency and the time. When the ignition is off, press this knob to display the time. Finding a Station AM FM: Press this button to switch between FM1, FM2, or AM. The display will show the selection. TUNE: Turn this knob to select radio stations. o SEEK p: Press the right or the left arrow to go to the next or to the previous station and stay there. To scan stations, press and hold either SEEK arrow for two seconds until you hear a beep. The radio will go to a station, play for a few seconds, then go on to the next station. Press either SEEK arrow again to stop scanning. To scan preset stations, press and hold either SEEK arrow for more than four seconds until you hear two beeps. The radio will go to the ﬁrst preset station stored on the pushbuttons, play for a few seconds, then go on to the next preset station. Press either SEEK arrow again to stop scanning presets. The radio will only seek and scan stations with a strong signal that are in the selected band. Setting Preset Stations Up to 18 stations (six FM1, six FM2, and six AM) can be programmed on the six numbered pushbuttons, by performing the following steps: 1. Turn the radio on. 2. Press AM FM to select FM1, FM2, or AM. 3. Tune in the desired station. 4. Press and hold one of the six numbered pushbuttons until you hear a beep. Whenever that numbered pushbutton is pressed, the station that was set will return. 5. Repeat the steps for each pushbutton. Setting the Tone (Bass/Treble) AUDIO: To adjust bass and treble, press and release AUDIO until BAS or TRE appears on the display. Then press and hold the up or the down arrow to increase or to decrease. If a station is weak or noisy, decrease the treble. To adjust bass or treble to the middle position, select BAS or TRE. Then press and hold AUDIO for more than two seconds until you hear a beep. B and a zero or T and a zero will appear on the display. To adjust both tone controls and both speaker controls to the middle position, ﬁrst end out of audio mode by pressing another button, causing the radio to perform that function or by waiting ﬁve seconds for the display to return to time of day. Then press and hold AUDIO for more than two seconds until you hear a beep. CEN will appear on the display. 3-71 Adjusting the Speakers (Balance/Fade) Radio Messages AUDIO: To adjust the balance between the right and the left speakers, press and release AUDIO until BAL appears on the display. Then press and hold the up or the down arrow to move the sound toward the right or the left speakers. CAL (Calibrated): The audio system has been calibrated for your vehicle from the factory. If CAL appears on the display it means that the radio has not been conﬁgured properly for your vehicle and must be returned to your GM dealer for service. LOC (Locked): This message is displayed when the THEFTLOCK® system has locked up. Take the vehicle to your GM dealer for service. If any error occurs repeatedly or if an error cannot be corrected, contact your GM dealer. To adjust the fade between the front and the rear speakers, press and release AUDIO until FAD appears on the display. Then press and hold the up or the down arrow to move the sound toward the front or the rear speakers. To adjust balance or fade to the middle position, select BAL or FAD. Then press and hold AUDIO for more than two seconds until you hear a beep. L (balance) and a zero or F and a zero will appear on the display. To adjust both tone controls and both speaker controls to the middle position, ﬁrst end out of audio mode by pressing another button, causing the radio to perform that function or by waiting ﬁve seconds for the display to return to time of day. Then press and hold AUDIO for more than two seconds until you hear a beep. CEN will appear on the display. Fade may not be available if the vehicle is a regular cab model. 3-72 Radio with CD Base Radio Shown, Bose® Similar If your vehicle has the Bose® audio system, your vehicle will have six Bose® ampliﬁed speakers. Radio Data System (RDS) The audio system has a Radio Data System (RDS). RDS features are available for use only on FM stations that broadcast RDS information. With RDS, the 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 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 the radio is tuned to an RDS station, the station name or 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. 3-73 For XM™ (if equipped), press the INFO knob while in XM™ mode to retrieve four different categories of information related to the current song or channel: Artist, Song Title, Category or PTY, Channel Number/Channel Name. To change the default on the display, press the INFO knob until you see the display you want, then hold the knob until you hear a beep. The selected display will now be the default. AUTO VOL (Automatic Volume): With automatic volume, the 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 at faster vehicle speeds. To turn automatic volume off, press this button until AVOL OFF appears on the display. XM™ Satellite Radio Service XM™ is a satellite radio service that is based in the 48 contiguous Untied States. XM™ offers 100 coast-to-coast channels including music, news, sports, talk, and children’s programming. XM™ provides digital quality audio and text information that includes song title and artist name. A service fee is required in order to receive the XM™ service. For more information, contact XM™ at www.xmradio.com or call 1-800-852-XMXM (9696). Playing the Radio PWR (Power): Press this knob to turn the system on and off. o VOL p (Volume): Turn this knob to increase or to decrease the volume. INFO (Information): Press this knob to switch the display between the radio station frequency and the time. When the ignition is off, press this knob to display the time. For RDS, press the INFO 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). 3-74 Finding a Station BAND: Press this button to switch between FM1, FM2, AM, or XM1 or XM2 (if equipped). The display will show the selection. o TUNE p: Turn this knob to select radio stations. © SEEK ¨: Press either the SEEK or the TYPE arrows to go to the next or to the previous station and stay there. The radio will only seek stations with a strong signal that are in the selected band. © SCAN ¨: Press and hold either the SCAN or the TYPE arrows for two seconds until SCAN appears on the display and you hear a beep. The radio will go to a station, play for a few seconds, then go on to the next station. Press either the SCAN or the TYPE arrows again to stop scanning. To scan preset stations, press and hold either the SCAN or the TYPE arrows for more than four seconds. PSCN will appear on the display and you will hear a double beep. The radio will go to a preset station, play for a few seconds, then go on to the next preset station. Press either the SCAN or the TYPE arrows again to stop scanning presets. The radio will only scan stations with a strong signal that are in the selected band. Setting Preset Stations Up to 30 stations (six FM1, six FM2, and six AM, six XM1 and six XM2 (if equipped)), can be programed on the six numbered pushbuttons, by performing the following steps: 1. Turn the radio on. 2. Press BAND to select FM1, FM2, AM, or XM1 or XM2. 3. Tune in the desired station. 4. Press and hold one of the six numbered pushbuttons until you hear a beep. Whenever that numbered pushbutton is pressed, the station that was set will return for that pushbutton. 5. Repeat the steps for each pushbutton. To store an equalization setting to a preset station perform the following: 1. Tune to the preset station. 2. Press and release the AUTO EQ button to select the equalization setting. Once the equalization no longer appears on the display, the equalization will be set for that preset station. 3-75 Setting the Tone (Bass/Treble) Adjusting the Speakers (Balance/Fade) 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 CENTERED will appear on the display, you will hear a beep, and the display level will be adjusted to the middle position. 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, 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 CENTERED 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 designed for country/western, jazz, talk, pop, rock, and classical. Selecting CUSTOM or changing bass or treble, returns the EQ to the manual bass and treble settings. The radio will save separate AUTO EQ settings for each preset and source. If the radio is equipped with the Bose® audio system, the equalization settings are either CUSTOM or TALK. 3-76 Finding a Program Type (PTY) Station (RDS and XM™) To select and ﬁnd a desired PTY perform the following: 1. Press the TYPE button to activate program type select mode. TYPE and a PTY will appear on the display. 2. Turn the TYPE knob or press and release the TYPE button to select a PTY. 3. Once the desired PTY is displayed, press and release either the TYPE or the SEEK arrows to select and to take you to the PTY’s ﬁrst station. 4. To go to another station within that PTY and the PTY is displayed, press either the TYPE or the SEEK arrows once. If the PTY is not displayed, go back to Step 1. 5. Press either the TYPE or the SEEK arrows to exit program type select mode. 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. SCAN: Scan the stations within a PTY by performing the following: 1. Press the TYPE button to activate program type select mode. TYPE and the last selected PTY will appear on the display. 2. Turn the TYPE knob or press and release the TYPE button to select a PTY. 3. Once the desired PTY is displayed, press and hold either the TYPE or the SCAN arrows for two seconds, and the radio will begin scanning the stations in the PTY. 4. Press either the TYPE or the SCAN arrows to stop at a station. 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 stations with a stronger frequency. 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. This function does not apply for XM™ Satellite Radio Service. 3-77 Setting Preset PTYs (RDS Only) These buttons have factory PTY presets. Up to 12 PTYs (six FM1 and six FM2), can be programmed on the six numbered pushbuttons, by performing the following steps: 1. Press BAND to select FM1 or FM2. 2. Press the TYPE button to activate program type select mode. TYPE and the last selected PTY will appear on the display. 3. Turn the TYPE knob or press and release the TYPE button to select a PTY. 4. Press and hold one of the six numbered pushbuttons until you hear a beep. Whenever that numbered pushbutton is pressed, the PTY that was set will return. 5. Repeat the steps for each pushbutton. RDS Messages 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 entire message is not displayed, parts of the message will appear every three seconds. To scroll through the message, press and release the INFO button. A new group of words will appear on the display after every press of the button. Once the complete message has been displayed, the information symbol will disappear from the display until another new message is received. The last message can be displayed by pressing the INFO button. You can view the last message until a new message is received or a different station is tuned to. Radio Messages CAL ERR (Calibration Error): The audio system has been calibrated for your vehicle from the factory. If CAL ERR appears on the display, it means that the radio has not been conﬁgured properly for the vehicle and must be returned to your GM dealer for service. LOCKED: This message is displayed when the THEFTLOCK® system has locked up. Take the vehicle to your GM dealer for service. If any error occurs repeatedly, or if an error cannot be corrected, contact your GM dealer. 3-78 XM™ Radio Messages Condition Action Required Radio Display Message XL (Explicit Language Channels) Updating XL on the radio display, after the channel name, indicates content with explicit language. Updating encryption code No Signal Loss of signal Loading XM Acquiring channel audio (after 4 second delay) CH Off Air Channel not in service CH Unavail No Info Channel no longer available Artist Name/Feature not available These channels, or any others, can be blocked at a customer’s request, by calling 1-800-852-XMXM (9696). The encryption code in the receiver is being updated, and no action is required. This process should take no longer than 30 seconds. The system is functioning correctly, but the vehicle is in a location that is blocking the XM™ signal. When you move into an open area, the signal should return. The audio system is acquiring and processing audio and text data. No action is needed. This message should disappear shortly. This channel is not currently in service. Tune to another channel. This previously assigned channel is no longer assigned. Tune to another station. If this station was one of the presets, choose another station for that preset button. No artist information is available at this time on this channel. The system is working properly. 3-79 Radio Display Message XM™ Radio Messages (cont’d) Condition Action Required Song/Program Title not available Category Name not available No Text/Informational message available No channel available for the chosen category Theft lock active Radio ID label (channel 0) Radio ID not known (should only be if hardware failure) Hardware failure No song title information is available at this time on this channel. The system is working properly. No category information is available at this time on this channel. The system is working properly. No text or informational messages are available at this time on this channel. The system is working properly. There are no channels available for the selected category. The system is working properly. The XM™ receiver in the vehicle may have previously been in another vehicle. For security purposes, XM™ receivers cannot be swapped between vehicles. If this message is received after having your vehicle serviced, check with your GM dealer. If tuned to channel 0, this message will alternate with the XM™ Radio eight digit radio ID label. This label is needed to activate the service. If this message is received when tuned to channel 0, there may be a receiver fault. Consult with your GM dealer. If this message does not clear within a short period of time, the receiver may have a fault. Consult with your GM dealer. No Info No Info No Info Not Found XM Locked Radio ID Unknown Chk XMRcvr 3-80 Playing a CD Insert a CD part way into the slot, label side up. The player will pull it in and the CD should begin playing. If you want to insert a CD with the ignition off, ﬁrst press the eject button or the INFO knob. If the ignition or radio is turned off with the CD in the player, it will stay in the player. When the ignition or radio is turned on, the CD will start playing where it stopped, if it was the last selected audio source. When a CD is inserted, the CD symbol will appear on the display. As each new track starts to play, the track number will appear on the display. The CD player can play the smaller 3 inch (8 cm) single CDs with an adapter ring. Full-size CDs and the smaller CDs are loaded in the same manner. If playing a CD-R the sound quality may be reduced due to CD-R quality, the method of recording, the quality of the music that has been recorded, and the way the CD-R has been handled. There may be an increase in skipping, difficulty in ﬁnding tracks, and/or difficulty in loading and ejecting. If these problems occur try a known good CD. Do not add paper labels to CDs, they could get caught in the CD player. If an error appears on the display, see “CD Messages” later in this section. 1 PREV (Previous): Press this pushbutton to go to the beginning of the current track if more than eight seconds have played. TRACK and the track number will appear on the display. If this pushbutton is held or pressed more than once, the player will continue moving backward through the CD. 2 NEXT: Press this pushbutton to go to the next track. TRACK and the track number will appear on the display. If this pushbutton is held or pressed more than once, the player will continue moving forward through the CD. 3 REV (Reverse): Press and hold this pushbutton to quickly reverse within a track. Press and hold this pushbutton for less than two seconds to reverse at six times the normal playing speed. Press and hold it for more than two seconds to reverse at 17 times the normal playing speed. Release this pushbutton to play the passage. ET and the elapsed time of the track will appear on the display. 3-81 INFO (Information): Press this knob to see how long the current track has been playing. ET and the elapsed time will appear on the display. To change the default on the display, track or elapsed time, press the 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. BAND: Press this button to listen to the radio when a CD is playing. The inactive CD will remain safely inside the radio for future listening. CD AUX (Auxiliary): Press this button to play a CD when listening to the radio. The inactive CD will remain safely inside the radio for future listening. Z (Eject): Press this button to stop a CD when it is playing or to eject a CD when it is not playing. Eject may be activated with either the ignition or radio off. CDs may be loaded with the radio and ignition off if this button is pressed ﬁrst. 4 FWD (Forward): Press and hold this pushbutton to quickly advance within a track. Press and hold this pushbutton for less than two seconds to advance at six times the normal playing speed. Press and hold it for more than two seconds to advance at 17 times the normal playing speed. Release this pushbutton to play the passage. ET and the elapsed time of the track will appear on the display. 6 RDM (Random): Press this pushbutton to hear the tracks in random, rather than sequential, order. RDM ON will appear on the display. RDM T and the track number will appear on the display when each track starts to play. Press this pushbutton again to turn off random play. RDM OFF will appear on the display. © SEEK ¨: Press the left arrow to go to the start of the current or to the previous track. Press the right arrow to go to the start of the next track. If either arrow is held or pressed more than once, the player will continue moving backward or forward through the CD. © SCAN ¨: Press and hold either the SCAN or the TYPE arrows for more than two seconds until SCAN appears on the display and you hear a beep. The radio will go to the next track, play for 10 seconds, then go on to the next track. Press either the SCAN or the TYPE arrows again, to stop scanning. 3-82 CD Messages If the CD comes out, it could be for one of the following reasons: It is very hot. When the temperature returns to normal, the CD should play. (cid:127) You are driving on a very rough road. When the road becomes smoother, the CD should play. The CD is dirty, scratched, wet, or upside down. The air is very humid. If so, wait about an hour and try again. There may have been a problem while burning the CD. The label may be caught in the CD player. If the CD is not playing correctly, for any other reason, try a known good CD. If any error occurs repeatedly or if an error cannot be corrected, contact your GM dealer. If the radio displays an error message, write it down and provide it to your GM dealer when reporting the problem. Radio with Cassette and CD Base Radio Shown, Bose® Similar If your vehicle has the Bose® audio system, your vehicle will have six Bose® ampliﬁed speakers. 3-83 (cid:127) (cid:127) (cid:127) (cid:127) (cid:127) Radio Data System (RDS) The audio system has a Radio Data System (RDS). RDS features are available for use only on FM stations that broadcast RDS information. With RDS, the 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 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 the radio is tuned to an RDS station, the station name or 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. XM™ Satellite Radio Service XM™ is a satellite radio service that is based in the 48 contiguous Untied States. XM™ offers 100 coast-to-coast channels including music, news, sports, talk, and children’s programming. XM™ provides digital quality audio and text information that includes song title and artist name. A service fee is required in order to receive the XM™ service. For more information, contact XM™ at www.xmradio.com or call 1-800-852-XMXM (9696). Playing the Radio PWR (Power): Press this knob to turn the system on and off. o VOL p (Volume): Turn this knob to increase or to decrease the volume. INFO (Information): Press this knob to switch the display between the radio station frequency and the time. When the ignition is off, press this knob to display the time. For RDS, press the INFO 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). 3-84 For XM™ (if equipped), press the INFO knob while in XM™ mode to retrieve four different categories of information related to the current song or channel: Artist, Song Title, Category or PTY, Channel Number/Channel Name. To change the default on the display, press the INFO knob until you see the display you want, then hold the knob until the display ﬂashes. The selected display will now be the default. AUTO VOL (Automatic Volume): With automatic volume, the 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 at faster vehicle speeds. To turn automatic volume off, press this button until AVOL OFF appears on the display. Finding a Station BAND: Press this button to switch between FM1, FM2, AM, or XM1 or XM2 (if equipped). The display will show the selection. o TUNE p: Turn this knob to select radio stations. © SEEK ¨: Press either the SEEK or the TYPE arrows to go to the next or to the previous station and stay there. The radio will only seek stations with a strong signal

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2005 Chevrolet Silverado Owners Manual