2013 Chevrolet Silverado Owners Manual

passenger airbag could inflate even though the airbag on-off switch is turned off. To help avoid injury to yourself or others, have the vehicle serviced right away. See Airbag Readiness Light on page 5‑17 for more information, including important safety information.

If the word ON or the on symbol is lit, it means that the right front passenger frontal airbag is enabled (may inflate). See Airbag On-Off Switch on page 3‑29 for more information, including important safety information.

United States

Canada and Mexico

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Instruments and Controls

If, after several seconds, both status indicator lights remain on, or if there are no lights at all, there may be a problem with the lights or the airbag on-off switch. See your dealer for service.

Passenger Airbag Status Indicator If the vehicle has one of the indicators pictured in the following illustrations, then the vehicle has a passenger sensing system for the right front passenger position unless there is an airbag off switch located in the glove box. If there is an airbag off switch, the vehicle does not have a passenger sensing system. See Airbag On-Off Switch on page 3‑29. The passenger airbag status indicator is on the overhead console. See Passenger Sensing System on page 3‑32 for important safety information.

In addition, if the vehicle has a passenger sensing system for the right front passenger position, the label on the vehicle's sun visor refers to “ADVANCED AIRBAGS”.

United States

Canada and Mexico

When the vehicle is started, the passenger airbag status indicator will light ON and OFF, or the symbol for on and off, for several seconds as a system check. 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 frontal airbag. If the word ON or the on symbol is lit on the passenger airbag status indicator, it means that the right front passenger frontal airbag is enabled (may inflate). If the word OFF or the off symbol is lit on the airbag status indicator, it means that the passenger sensing system has turned off the right front passenger frontal airbag. If, after several seconds, both 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.

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{ WARNING

If the airbag readiness light ever comes on and stays on, it means that something may be wrong with the airbag system. To help avoid injury to yourself or others, have the vehicle serviced right away. See Airbag Readiness Light on page 5‑17 for more information, including important safety information.

Charging System Light

This light comes on briefly when the ignition key is turned to START, but the engine is not running, as a check to show it is working.

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If it does not, have the vehicle serviced by your dealer. The light should go out once the engine starts. If it stays on, or comes on while driving, there could be a problem with the charging system. A charging system message in the Driver Information Center (DIC) can also appear. See Battery Voltage and Charging Messages on page 5‑38 for more information. This light could indicate that there are problems with a generator drive belt, or that there is an electrical problem. Have it checked right away. If the vehicle must be driven a short distance with the light on, turn off accessories, such as the radio and air conditioner. If the vehicle is a hybrid, see the hybrid supplement for more information.

Malfunction Indicator Lamp A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors the operation of the vehicle to ensure emissions are at acceptable levels, helping to maintain a clean environment. The malfunction indicator lamp comes on when the vehicle is placed in ON/RUN, as a check to show it is working. If it does not, have the vehicle serviced by your dealer. See Ignition Positions on page 9‑24.

If the malfunction indicator lamp comes on while the engine is running, this indicates that the OBD II system has detected a problem and diagnosis and service might be required.

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Instruments and Controls

Malfunctions often are indicated by the system before any problem is apparent. Being aware of the light can prevent more serious damage to the vehicle. This system also assists the service technician in correctly diagnosing any malfunction. Notice: If the vehicle is continually driven with this light on, the emission controls might not work as well, the vehicle fuel economy might not be as good, and the engine might not run as smoothly. This could lead to costly repairs that might not be covered by the vehicle warranty. Notice: Modifications made to the engine, transmission, exhaust, intake, or fuel system of the vehicle or the replacement of the original tires with other than those of the same Tire Performance Criteria (TPC) can affect the vehicle's emission controls and can cause this light to come on. Modifications to these systems could lead to

costly repairs not covered by the vehicle warranty. This could also result in a failure to pass a required Emission Inspection/ Maintenance test. See Accessories and Modifications on page 10‑3. This light comes on during a malfunction in one of two ways: Light Flashing: A misfire condition has been detected. A misfire increases vehicle emissions and could damage the emission control system on the vehicle. Diagnosis and service might be required. To prevent more serious damage to the vehicle: . Reduce vehicle speed. . Avoid hard accelerations. . Avoid steep uphill grades.

If towing a trailer, reduce the amount of cargo being hauled as soon as it is possible.

If the light continues to flash, find a safe place to stop and park the vehicle. Turn the vehicle off, wait at least 10 seconds, and restart the engine. If the light is still flashing, follow the previous steps and see your dealer for service as soon as possible. Light On Steady: An emission control system malfunction has been detected on the vehicle. Diagnosis and service might be required. The following may correct an emission control system malfunction: . Check that the fuel cap is fully

installed. See Filling the Tank on page 9‑72. The diagnostic system can determine if the fuel cap has been left off or improperly installed. A loose or missing fuel cap allows fuel to evaporate into the atmosphere. A few driving trips with the cap properly installed should turn the light off.

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. Check that good quality fuel is used. Poor fuel quality causes the engine not to run as efficiently as designed and may cause stalling after start-up, stalling when the vehicle is changed into gear, misfiring, hesitation on acceleration, or stumbling on acceleration. These conditions might go away once the engine is warmed up. If one or more of these conditions occurs, change the fuel brand used. It may require at least one full tank of the proper fuel to turn the light off. See Recommended Fuel on page 9‑69. If none of the above have made the light turn off, your dealer can check the vehicle. The dealer has the proper test equipment and diagnostic tools to fix any mechanical or electrical problems that might have developed.

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Emissions Inspection and Maintenance Programs Depending on where you live, your vehicle may be required to participate in an emission control system inspection and maintenance program. For the inspection, the emission system test equipment will likely connect to the vehicle's Data Link Connector (DLC).

The DLC is under the instrument panel to the left of the steering wheel. See your dealer if assistance is needed. The vehicle may not pass inspection if:

The malfunction indicator lamp is on with the engine running, or if the light does not come on when

the ignition is turned to ON/RUN while the engine is off. See your dealer for assistance in verifying proper operation of the malfunction indicator lamp. The OBD II (On-Board Diagnostics) system determines that critical emission control systems have not been completely diagnosed. The vehicle would be considered not ready for inspection. This can happen if the 12-volt battery has recently been replaced or run down. The diagnostic system is designed to evaluate critical emission control systems during normal driving. This can take several days of routine driving. If this has been done and the vehicle still does not pass the inspection for lack of OBD II system readiness, your dealer can prepare the vehicle for inspection.

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Instruments and Controls

Brake System Warning Light With the ignition on, the brake system warning light comes on when the parking brake is set. If the vehicle is driven with the parking brake engaged, a chime sounds when the vehicle speed is greater than 8 km/h (5 mph). The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits need to be working. If the warning light comes on and a chime sounds there could be a brake problem. Have the brake system inspected right away. This light can also come on due to low brake fluid. See Brake Fluid on page 10‑26 for more information.

If the light comes on while driving, pull off the road and stop carefully. The pedal might be harder to push or might go closer to the floor. It can take longer to stop. If the light is still on, have the vehicle towed for service. See Towing the Vehicle on page 10‑89. If the vehicle is a hybrid, see the hybrid supplement for more information.

Antilock Brake System (ABS) Warning Light

For vehicles with the Antilock Brake System (ABS), this light comes on briefly when the engine is started.

Metric

English

This light comes on briefly when the ignition key is turned to ON/RUN. If it does not come on then, have it fixed so it is ready to warn if there is a problem.

{ WARNING

The brake system might not be working properly if the brake system warning light is on. Driving with the brake system warning light on can lead to a crash. If the light is still on after the vehicle has been pulled off the road and carefully stopped, have the vehicle towed for service.

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If it does not, have the vehicle serviced by your dealer. If the system is working normally the indicator light then goes off. If the ABS light stays on, turn the ignition off. If the light comes on while driving, stop as soon as it is safely possible and turn the ignition off. Then start the engine again to reset the system. If the ABS light stays on, or comes on again while driving, the vehicle needs service. If the regular brake system warning light is not on, the vehicle still has brakes, but not antilock brakes. If the regular brake system warning light is also on, the vehicle does not have antilock brakes and there is a problem with the regular brakes. See Brake System Warning Light on page 5‑24. For vehicles with a Driver Information Center (DIC), see Brake System Messages on page 5‑38 for all brake‐related DIC messages.

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If the vehicle is a hybrid, see the hybrid supplement for more information.

Four-Wheel-Drive Light

Tow/Haul Mode Light

For vehicles equipped with the four-wheel-drive light, it comes on when a vehicle with a manual transfer case is shifted into four-wheel drive and the front axle engages. Some delay between the shifting and the light coming on is normal. See Four-Wheel Drive on page 9‑41
for more information.

For vehicles with the Tow/Haul Mode feature, this light comes on when the Tow/Haul Mode has been activated. For more information, see Tow/Haul Mode on page 9‑38.

StabiliTrak® OFF Light

This light comes on briefly while starting the engine.

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If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light then goes off. Press and release the Traction Control System (TCS)/StabiliTrak button to turn off TCS, and a message displays in the DIC. Press and briefly hold the TCS/ StabiliTrak button to turn off the StabiliTrak system; the StabiliTrak Off light comes on and a message appears in the Driver Information Center (DIC). If the StabiliTrak/TCS system is off, the system does not assist in controlling the vehicle. Turn on the StabiliTrak/TCS system and the indicator light turns off. See StabiliTrak® System on page 9‑56, and Ride Control System Messages on page 5‑42 for more information.

Traction Control System (TCS)/StabiliTrak® Light

If the light flashes while driving, this means that StabiliTrak or TCS is assisting in controlling the vehicle. See StabiliTrak® System on page 9‑56 for more information.

Tire Pressure Light

The TCS/StabiliTrak light comes on briefly when the engine is started. If the light does not come on or stays on, have the vehicle serviced by the dealer. If the system is working normally, the indicator light turns off. If the light comes on and stays on while driving, and a message displays in the Driver Information Center (DIC), have the vehicle serviced by the dealer. See Ride Control System Messages on page 5‑42 for more information.

For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on briefly when the engine is started. It provides information about tire pressures and the TPMS.

When the Light Is On Steady This indicates that one or more of the tires are significantly underinflated. A Driver Information Center (DIC) tire pressure message may also display. See Tire Messages on page 5‑44. Stop as soon as

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possible, and inflate the tires to the pressure value shown on the Tire and Loading Information label. See Tire Pressure on page 10‑56.

When the Light Flashes First and Then Is On Steady If the light flashes for about a minute and then stays on, there may be a problem with the TPMS. If the problem is not corrected, the light will come on at every ignition cycle. See Tire Pressure Monitor Operation on page 10‑59.

Engine Oil Pressure Light

Notice: Lack of proper engine oil maintenance can damage the engine. Driving with the engine oil engine. The repairs would not be

low can also damage the

covered by the vehicle warranty. Check the oil level as soon as possible. Add oil if required, but if the oil level is within the operating range and the oil pressure is still low, have the vehicle serviced. Always follow the maintenance schedule for changing engine oil. This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer. If the system is working normally the indicator light then goes off. If the light comes on and stays on, it means that oil is not flowing through the engine properly. The vehicle could be low on oil and it might have some other system problem. If the vehicle is a hybrid, see the hybrid supplement for more information.

Low Fuel Warning Light

This light, under the fuel gauge, comes on briefly while the engine is being started. This light and a chime, if the vehicle is equipped with a radio, comes on when the fuel tank is low on fuel. The Driver Information Center also displays a FUEL LEVEL LOW message. See Fuel System Messages on page 5‑41 for more information. When fuel is added this light and message should go off. If it does not, have the vehicle serviced by your dealer.

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Instruments and Controls

Security Light

The security light should come on briefly as the engine is started. If the system is working normally, the indicator light turns off. If it does not come on, have the vehicle serviced by your dealer. If the light stays on and the engine does not start, there could be a problem with the theft-deterrent system. This light is also used to indicate the status of the anti-theft alarm system when the ignition is turned off. The light will flash rapidly if the alarm system is arming and one or more of the monitored entry points is not closed. The light will stay on if the alarm is arming and all entry points are closed.

For information regarding this light and the vehicle's security system, see Vehicle Alarm System on page 2‑10.

High-Beam On Light

For vehicles with fog lamps, this light comes on when the fog lamps are on. The light goes out when the fog lamps are turned off. See Fog Lamps on page 6‑6 for more information.

Cruise Control Light

This light comes on when the high-beam headlamps are in use. See Headlamp High/Low-Beam Changer on page 6‑2.

Front Fog Lamp Light

For vehicles equipped with cruise control, this light comes on whenever the cruise control is set. The light goes out when the cruise control is turned off. See Cruise Control on page 9‑59 for more information.

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Information Displays

Driver Information Center (DIC) The vehicle has a Driver Information Center (DIC). The DIC displays information about this vehicle. It also displays warning messages if a system problem is detected. All messages will appear in the DIC display located below the tachometer in the instrument panel cluster. The 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 displays which can be accessed by pressing the DIC buttons located on the instrument panel, next to the steering wheel. If the vehicle does not have DIC buttons, the trip odometer reset stem can be used to access some of the menu items. The DIC displays trip, fuel, and vehicle system information, and warning messages if a system problem is detected. The DIC also allows some features to be customized. See Vehicle Personalization (With DIC Buttons) on page 5‑46 for more information. If the vehicle has a diesel engine, see the Duramax® diesel supplement for more information.

DIC Buttons

The buttons are the trip/fuel, vehicle information, customization, and set/ reset buttons. The button functions are detailed in the following pages. 3 (Trip/Fuel): Press this button to display the odometer, trip odometer, fuel range, average economy, fuel used, timer, transmission temperature, and instantaneous economy and Active Fuel Management™ indicator. The compass and outside temperature will also be shown in the display.

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Instruments and Controls

The temperature will be shown in °C or °F depending on the units selected. T (Vehicle Information): Press this button to display the oil life, units, tire pressure readings for vehicles with the Tire Pressure Monitor System (TPMS), trailer brake gain and output information for vehicles with the Integrated Trailer Brake Control (ITBC) system, engine hours, compass zone setting, and compass recalibration. U (Customization): Press this button to customize the feature settings on the vehicle. See Vehicle Personalization (With DIC Buttons) on page 5‑46 for more information. V (Set/Reset): Press this button to set or reset certain functions and to turn off or acknowledge messages on the DIC.

Trip/Fuel Menu Items (with DIC Buttons) 3 (Trip/Fuel): Press this button to scroll through the following menu items:

Odometer Press the trip/fuel button until ODOMETER displays. This display shows the distance the vehicle has been driven in either kilometers (km) or miles. Pressing the trip odometer reset stem will also display the odometer. To switch between metric and English measurements, see “Units” later in this section.

Trip Odometer Press the trip/fuel button until TRIP displays. This display shows the current distance traveled in either kilometers (km) or miles since the last reset for the trip odometer. Pressing the trip odometer reset stem will also display the trip odometer.

The trip odometer can be reset to zero by pressing the set/reset button while the trip odometer is displayed. You can also reset the trip odometer while it is displayed by pressing and holding the trip odometer reset stem. The trip odometer has a feature called the retro-active reset. This can be used to set the trip odometer to the number of miles (kilometers) driven since the ignition was last turned on. This can be used if the trip odometer is not reset at the beginning of the trip. To use the retro-active reset feature, press and hold the set/reset button for at least four seconds. The trip odometer will display the number of kilometers (km) or miles driven since the ignition was last turned on and the vehicle was moving. Once the vehicle begins moving, the trip odometer will accumulate mileage. For example, if the vehicle was driven 8 km (5 miles) before it is started again, and then the retro-active reset feature is

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activated, the display will show 8 km (5 miles). As the vehicle begins moving, the display will then increase to 8.2 km (5.1 miles), 8.4 km (5.2 miles), etc.

Fuel Range Press the trip/fuel button until FUEL RANGE displays. This display shows the approximate number of remaining kilometers (km) or miles the vehicle can be driven without refueling. The display will show LOW if the fuel level is low. The fuel range estimate is based on an average of the vehicle's fuel economy over recent driving history and the amount of fuel remaining in the fuel tank. This estimate will change if driving conditions change. For example, if driving in traffic and making frequent stops, this display may read one number, but if the vehicle is driven on a freeway, the number may change even though the same amount of fuel is in the fuel tank. This is because different driving conditions produce different

fuel economies. Generally, freeway driving produces better fuel economy than city driving. Fuel range cannot be reset.

Average Economy Press the trip/fuel button until AVG ECONOMY displays. This display shows the approximate average liters per 100 kilometers (L/100 km) or miles per gallon (mpg). This number is calculated based on the number of L/100 km (mpg) recorded since the last time this menu item was reset. To reset AVG ECONOMY, press and hold the set/ reset button.

Fuel Used Press the trip/fuel button until FUEL USED displays. This display shows the number of liters (L) or gallons (gal) of fuel used since the last reset of this menu item. To reset the fuel used information, press and hold the set/reset button while FUEL USED is displayed.

Speedometer The speedometer shows how fast the vehicle is moving in either kilometers per hour (km/h) or miles per hour (mph). The speedometer cannot be reset.

Timer Press the trip/fuel button until TIMER displays. This display can be used as a timer. To start the timer, press the set/ reset button while TIMER is displayed. 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 return to zero. To stop the timer, press the set/reset button briefly while TIMER is displayed.

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To reset the timer to zero, press and hold the set/reset button while TIMER is displayed.

Transmission Temperature Press the trip/fuel button until TRANS TEMP displays. This display shows the temperature of the automatic transmission fluid in either degrees Celsius (°C) or degrees Fahrenheit (°F).

Instantaneous Economy and Active Fuel Management™ Indicator If the vehicle has this display, press the trip/fuel button until INST ECON V8 displays. This display shows the current fuel economy at a particular moment and will change frequently as driving conditions change. This display shows the instantaneous fuel economy in liters per 100 kilometers (L/100 km) or miles per gallon (mpg). Unlike average economy, this screen cannot be reset.

An Active Fuel Management indicator displays on the right side of the DIC, while INST ECON displays on the left side. Active Fuel Management allows the engine to operate on either four or eight cylinders, depending on driving demands. When Active Fuel Management is active, V4 will display on the DIC. When Active Fuel Management is inactive, V8
will display. See Active Fuel Management® on page 9‑32 for more information.

Blank Display This display shows no information. Vehicle Information Menu Items (with DIC Buttons) T (Vehicle Information): Press this button to scroll through the following menu items:

Oil Life Press the vehicle information button until OIL LIFE REMAINING displays. This display shows an

estimate of the oil's remaining useful life. If you see 99% OIL LIFE REMAINING on the display, that means 99% of the current oil life remains. The engine oil life system will alert you to change the oil on a schedule consistent with your driving conditions. When the remaining oil life is low, the CHANGE ENGINE OIL SOON message will appear on the display. See “CHANGE ENGINE OIL SOON” under Engine Oil Messages on page 5‑40. You should change the oil as soon as you can. See Engine Oil on page 10‑6. In addition to the engine oil life system monitoring the oil life, additional maintenance is recommended in the Maintenance Schedule in this manual. See Maintenance Schedule on page 11‑3 for more information. Remember, you must reset the OIL LIFE display after each oil change. It will not reset itself. Also, be careful not to reset the OIL LIFE display accidentally at any time other than when the oil has just

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been changed. It cannot be reset accurately until the next oil change. To reset the engine oil life system, see Engine Oil Life System on page 10‑9.

Units Press the vehicle information button until UNITS displays. This display allows you to select between metric or English units of measurement. Once in this display, press the set/ reset button to select between METRIC or ENGLISH units. All of the vehicle information will then be displayed in the unit of measurement selected.

Tire Pressure If the vehicle has the Tire Pressure Monitor System (TPMS), the pressure for each tire can be viewed in the DIC. The tire pressure will be shown in either kilopascals (kPa) or pounds per square inch (psi). Press the vehicle information button until the DIC displays FRONT TIRES kPa (PSI) LEFT ## RIGHT ##. Press the vehicle

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information button again until the DIC displays REAR TIRES kPa (PSI) LEFT ## RIGHT ##. If a low tire pressure condition is detected by the system while driving, a message advising you to add pressure in a specific tire will appear in the display. See Tire Pressure on page 10‑56 and Tire Messages on page 5‑44 for more information. If the tire pressure display shows dashes instead of a value, there may be a problem with the vehicle. If this consistently occurs, see your dealer for service.

Trailer Gain and Output On vehicles with the Integrated Trailer Brake Control (ITBC) system, the trailer brake display appears in the DIC. Press the vehicle information button until TRAILER GAIN and OUTPUT display.

TRAILER GAIN shows the trailer gain setting. This setting can be adjusted from 0.0 to 10.0 with either a trailer connected or disconnected. OUTPUT shows the power output to the trailer any time a trailer with electric brakes is connected. Output is displayed in 0 to 10 bars. Dashes may appear in the OUTPUT display. To adjust trailer gain see “Integrated Trailer Brake Control System” under Towing Equipment on page 9‑93 for more information.

Battery This display shows the current battery voltage. If the voltage is in the normal range, the value will display. For example, the display may read BATTERY 13 VOLTS. Your vehicle's charging system regulates voltage based on the state of the battery. The battery voltage may fluctuate when viewing this information on the DIC. This is normal.

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Instruments and Controls

Oil Pressure This display shows the oil pressure in either kilopascals (kPa) or pounds per square inch (psi).

Engine Hours Press the vehicle information button until ENGINE HOURS displays. This display shows the total number of hours the engine has run.

Compass Zone Setting This display allows for setting the compass zone. See Compass on page 5‑5 for more information.

Compass Recalibration This display allows for calibrating the compass. See Compass on page 5‑5 for more information.

Blank Display This display shows no information.

Trip Odometer Reset Stem Menu Items (with DIC Buttons) Use the trip odometer reset stem to view the odometer and trip odometer. The Language selection and Engine Hours display can also be accessed with the trip odometer reset stem.

Odometer Press the trip odometer reset stem until ODOMETER displays. This display shows the distance the vehicle has been driven in either kilometers (km) or miles (mi).

Trip Odometer Press the trip odometer reset stem until TRIP displays. This display shows the current distance traveled in either kilometers (km) or miles (mi) since the last reset for the trip odometer. The trip odometer can be reset to zero by pressing and holding the trip odometer reset stem while the trip odometer is displayed.

The trip odometer has a feature called the retro-active reset. This can be used to set the trip odometer to the number of miles (kilometers) driven since the ignition was last turned on. This can be used if the trip odometer is not reset at the beginning of the trip. To use the retro-active reset feature, press and hold the trip odometer reset stem for at least four seconds. The trip odometer will display the number of kilometers (km) or miles (mi) driven since the ignition was last turned on and the vehicle was moving. Once the vehicle begins moving, the trip odometer will accumulate mileage. For example, if the vehicle was driven 8 km (5 miles) before it is started again, and then the retro-active reset feature is activated, the display will show 8 km (5 miles). As the vehicle begins moving, the display will then increase to 8.2 km (5.1 miles), 8.4 km (5.2 miles), etc.

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Language This display allows you to select the language in which the DIC messages will appear. To select a language: 1. Press the trip odometer reset

stem until ODOMETER displays.

2. While in the ODOMETER

display, press and hold the trip odometer reset stem for three seconds until the currently set language displays.

3. Continue to press and hold the

trip odometer reset stem to scroll through all of the available languages. The available selections are ENGLISH (default), FRANCAIS (French), ESPANOL (Spanish), and NO CHANGE.

4. Once the desired language is

displayed, release the trip odometer reset stem to set the choice.

Engine Hours To display the ENGINE HOURS, place the ignition in LOCK/OFF or ACC/ACCESSORY, then press and hold the trip odometer reset stem for four seconds while viewing the ODOMETER. This display shows the total number of hours the engine has run. Trip Odometer Reset Stem Menu Items (without DIC Buttons)

Language This display allows you to select the language in which the DIC messages will appear. To select a language: 1. Press the trip odometer reset

stem until ODOMETER displays.

2. While in the ODOMETER

display, press and hold the trip odometer reset stem for three seconds until the currently set language displays.

3. Continue to press and hold the

trip odometer reset stem to scroll through all of the available languages. The available languages are ENGLISH (default), FRANCAIS (French), ESPANOL (Spanish), and NO CHANGE.

4. Once the desired language is

displayed, release the trip odometer reset stem to set the choice.

Trip Odometer Press the trip odometer reset stem until TRIP displays. This display shows the current distance traveled in either kilometers (km) or miles (mi) since the last reset for the trip odometer. The trip odometer can be reset to zero by pressing and holding the trip odometer reset stem while the trip odometer is displayed.

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The trip odometer has a feature called the retro-active reset. This can be used to set the trip odometer to the number of miles (kilometers) driven since the ignition was last turned on. This can be used if the trip odometer is not reset at the beginning of the trip. To use the retro-active reset feature, press and hold the trip odometer reset stem for at least four seconds. The trip odometer will display the number of kilometers (km) or miles (mi) driven since the ignition was last turned on and the vehicle was moving. Once the vehicle begins moving, the trip odometer will accumulate mileage. For example, if the vehicle was driven 8 km (5 miles) before it is started again, and then the retro-active reset feature is activated, the display will show 8 km (5 miles). As the vehicle begins moving, the display will then increase to 8.2 km (5.1 miles), 8.4 km (5.2 miles), etc.

Transmission Temperature Press the trip odometer reset stem until TRANS TEMP displays. This display shows the temperature of the automatic transmission fluid in either degrees Celsius (°C) or degrees Fahrenheit (°F).

Trailer Gain and Output On vehicles with the Integrated Trailer Brake Control (ITBC) system, the trailer brake display appears in the DIC. Press the trip odometer reset stem until TRAILER GAIN and OUTPUT display. TRAILER GAIN shows the trailer gain setting. This setting can be adjusted from 0.0 to 10.0 with either a trailer connected or disconnected. OUTPUT shows the power output to the trailer any time a trailer with electric brakes is connected. Output is displayed in 0 to 10 bars. Dashes may appear in the OUTPUT display.

To adjust trailer gain see “Integrated Trailer Brake Control System” under Towing Equipment on page 9‑93 for more information.

Speedometer The speedometer shows how fast the vehicle is moving in either kilometers per hour (km/h) or miles per hour (mph). The speedometer cannot be reset.

Battery This display shows the current battery voltage. If the voltage is in the normal range, the value will display. For example, the display may read BATTERY 13 VOLTS. Your vehicle's charging system regulates voltage based on the state of the battery. The battery voltage may fluctuate when viewing this information on the DIC. This is normal.

Oil Pressure This display shows the oil pressure in either kilopascals (kPa) or pounds per square inch (psi).

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Compass Zone Setting This display allows for setting the compass zone. See Compass on page 5‑5 for more information.

Compass Recalibration This display allows for calibrating the compass. See Compass on page 5‑5 for more information.

Oil Life To access this display, the vehicle must be in P (Park). Press the trip odometer reset stem until OIL LIFE REMAINING displays. This display shows an estimate of the oil's remaining useful life. If you see 99% OIL LIFE REMAINING on the display, that means 99% of the current oil life remains. The engine oil life system will alert you to change the oil on a schedule consistent with your driving conditions. When the remaining oil life is low, the CHANGE ENGINE OIL SOON message will appear on the display. See “CHANGE ENGINE OIL SOON”

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under Engine Oil Messages on page 5‑40. You should change the oil as soon as you can. See Engine Oil on page 10‑6. In addition to the engine oil life system monitoring the oil life, additional maintenance is recommended in the Maintenance Schedule in this manual. See Maintenance Schedule on page 11‑3 for more information. Remember, you must reset the OIL LIFE display after each oil change. It will not reset itself. Also, be careful not to reset the OIL LIFE display accidentally at any time other than when the oil has just been changed. It cannot be reset accurately until the next oil change. To reset the engine oil life system, see Engine Oil Life System on page 10‑9.

Vehicle Messages Messages displayed on the DIC indicate the status of the vehicle or some action may be needed to correct a condition. Multiple messages may appear one after another. The messages that do not require immediate action can be acknowledged and cleared by pressing V (Set/Reset) or the trip odometer reset stem. The messages that require immediate action cannot be cleared until that action is performed. All messages should be taken seriously and clearing the message does not correct the problem. The following are the possible messages and some information about them. If the vehicle has a diesel engine, see the Duramax® diesel supplement for more information.

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Battery Voltage and Charging Messages

BATTERY LOW START VEHICLE When the vehicle’s battery is severely discharged, this message will display and four chimes will sound. Start the vehicle immediately. If the vehicle is not started and the battery continues to discharge, the climate controls, heated seats, and audio systems will shut off and the vehicle may require a jump start. These systems will function again after the vehicle is started. SERVICE BATTERY CHARGING SYSTEM On some vehicles, this message displays if there is a problem with the battery charging system. Under certain conditions, the charging system light may also turn on in the instrument panel cluster. See Charging System Light on page 5‑21. Driving with this problem

could drain the battery. Turn off all unnecessary accessories. Have the electrical system checked as soon as possible. See your dealer.

Brake System Messages

SERVICE BRAKE SYSTEM This message displays along with the brake system warning light if there is a problem with the brake system. See Brake System Warning Light on page 5‑24. 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 as soon as possible. See your dealer. SERVICE BRAKES SOON On some vehicles, this message displays if there is a problem with the brake system. 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 dealer. SERVICE TRAILER BRAKE SYSTEM On vehicles with the Integrated Trailer Brake Control (ITBC) system, this message displays and a chime may sound when there is a problem with the ITBC system. When this message displays, power is no longer available to the trailer brakes. As soon as it is safe to do so, carefully pull your vehicle over to the side of the road and turn the ignition off. Check the wiring connection to the trailer and turn the ignition back on. If this message still displays, either your vehicle or the trailer needs service. See your dealer.

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See “Integrated Trailer Brake Control System” under Towing Equipment on page 9‑93 for more information.

Door Ajar Messages

DRIVER DOOR OPEN This message displays and a chime may sound if the driver door is not fully closed and the vehicle is shifted out of P (Park). Stop and turn off the vehicle, check the door for obstructions, and close the door again. Check to see if the message still appears on the DIC. HOOD OPEN This message displays and a chime may sound if the hood is not fully closed. Stop and turn off the vehicle, check the hood for obstructions, and close the hood again. Check to see if the message still appears on the DIC.

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LEFT REAR DOOR OPEN (Crew Cab) This message displays and a chime may sound if the driver side rear door is not fully closed and the vehicle is shifted out of P (Park). Stop and turn off the vehicle, check the door for obstructions, and close the door again. Check to see if the message still appears on the DIC. PASSENGER DOOR OPEN This message displays and a chime may sound if the front passenger door is not fully closed and the vehicle is shifted out of P (Park). Stop and turn off the vehicle, check the door for obstructions, and close the door again. Check to see if the message still appears on the DIC. RIGHT REAR DOOR OPEN (Crew Cab) This message displays and a chime may sound if the passenger side rear door is not fully closed and the vehicle is shifted out of P (Park). Stop and turn off the vehicle, check

the door for obstructions, and close the door again. Check to see if the message still appears on the DIC.

Engine Cooling System Messages Notice: If you drive the vehicle while the engine is overheating, severe engine damage may occur. If an overheat warning appears on the instrument cluster and/or DIC, stop the vehicle as soon as possible. See Engine Overheating on page 10‑21. ENGINE HOT A/C (Air Conditioning) TURNED OFF This message displays when the engine coolant becomes hotter than the normal operating temperature. See Engine Coolant Temperature Gauge on page 5‑15. To avoid added strain on a hot engine, the air conditioning compressor automatically turns off. When the coolant temperature returns to

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normal, the air conditioning compressor turns back on. You can continue to drive your vehicle. If this message continues to appear, have the system repaired by your dealer as soon as possible to avoid damage to the engine. ENGINE OVERHEATED IDLE ENGINE This message displays when the engine coolant temperature is too hot. Stop and allow the vehicle to idle until it cools down. See Engine Coolant Temperature Gauge on page 5‑15. See Overheated Engine Protection Operating Mode on page 10‑23 for information on driving to a safe place in an emergency. ENGINE OVERHEATED STOP ENGINE This message displays and a chime may sound if the engine cooling system reaches unsafe temperatures for operation. Stop

and turn off the vehicle as soon as it is safe to do so to avoid severe damage. This message clears when the engine has cooled to a safe operating temperature.

Engine Oil Messages

CHANGE ENGINE OIL SOON This message displays when the engine oil needs to be changed. When you change the engine oil, be sure to reset the CHANGE ENGINE OIL SOON message. See Engine Oil Life System on page 10‑9 for information on how to reset the message. See Engine Oil on page 10‑6 and Maintenance Schedule on page 11‑3 for more information. ENGINE OIL HOT IDLE ENGINE This message displays when the engine oil becomes hotter than the normal operating temperature. Stop

and allow the vehicle to idle until it cools down. See Engine Coolant Temperature Gauge on page 5‑15. OIL PRESSURE LOW STOP ENGINE Notice: If you drive the vehicle while the engine 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 on page 10‑6 for more information. This message displays if low oil pressure levels occur. 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 the oil as soon as possible and have the vehicle serviced by your dealer. See Engine Oil on page 10‑6.

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Engine Power Messages

Fuel System Messages

Key and Lock Messages

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ENGINE POWER IS REDUCED This message displays and a chime may sound when the cooling system temperature gets too hot and the engine further enters the engine coolant protection mode. See Engine Overheating on page 10‑21
for more information. This message also displays when the vehicle's engine power is reduced. Reduced engine power can affect the vehicle's ability to accelerate. If this message is on, but there is no reduction in performance, proceed to your destination. The performance may be reduced the next time the vehicle is driven. The vehicle may be driven at a reduced speed while this message is on, but acceleration and speed may be reduced. Anytime this message stays on, the vehicle should be taken to your dealer for service as soon as possible.

FUEL LEVEL LOW This message displays and a chime may sound if the fuel level is low. Refuel as soon as possible. See Fuel Gauge on page 5‑13 and Fuel on page 9‑68 for more information. TIGHTEN GAS CAP This message may display along with the check engine light on the instrument panel cluster if the vehicle's fuel cap is not tightened properly. See Malfunction Indicator Lamp on page 5‑21. Reinstall the fuel cap fully. See Filling the Tank on page 9‑72. The diagnostic system can determine if the fuel cap has been left off or improperly installed. A loose or missing fuel cap allows fuel to evaporate into the atmosphere. A few driving trips with the cap properly installed should turn this light and message off.

REPLACE BATTERY IN REMOTE KEY This message displays if a Remote Keyless Entry (RKE) transmitter battery is low. The battery needs to be replaced in the transmitter. See “Battery Replacement” under Remote Keyless Entry (RKE) System Operation on page 2‑2.

Lamp Messages

TURN SIGNAL ON This message displays and a chime sounds if a turn signal is left on for 1.2 km (0.75 mi). Move the turn signal/multifunction lever to the off position.

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Object Detection System Messages

PARK ASST BLOCKED SEE OWNERS MANUAL This message displays if there is something interfering with the park assist system. See Ultrasonic Parking Assist on page 9‑62 for more information. PARK ASSIST OFF After the vehicle has been started, this message displays to remind the driver that the URPA system has been turned off. Press the set/reset button or the trip odometer reset stem to acknowledge this message and clear it from the DIC display. To turn the URPA system back on, see Ultrasonic Parking Assist on page 9‑62. SERVICE PARK ASSIST This message displays if there is a problem with the Ultrasonic Rear Parking Assist (URPA) system. Do not use this system to help you

park. See Ultrasonic Parking Assist on page 9‑62 for more information. See your dealer for service.

Ride Control System Messages

SERVICE STABILITRAK If the vehicle has StabiliTrak and this message displays, it means there may be a problem with the StabiliTrak system. If you see this message, try to reset the system. Stop; turn off the engine for at least 15 seconds; then start the engine again. If this message still comes on, it means there is a problem. You should see your dealer for service. The vehicle is safe to drive; however, you do not have the benefit of StabiliTrak, so reduce your speed and drive accordingly. SERVICE TRACTION CONTROL If the vehicle has StabiliTrak, this message displays when there is a problem with the Traction Control

System (TCS). When this message displays, the system will not limit wheel spin. Adjust your driving accordingly. See your dealer for service. See StabiliTrak® System on page 9‑56 for more information. STABILITRAK INITIALIZING If the vehicle has StabiliTrak, this message may come on if the StabiliTrak system has not fully initialized because of road conditions or the incorrect tire size. When the StabiliTrak system is fully initialized, the message will turn off. See StabiliTrak® System on page 9‑56 for more information. If this message continues to be displayed for multiple ignition cycles and on different road surfaces, see your dealer for service. TRACTION XX STABILITRAK XX This message displays when the traction control and/or StabiliTrak systems have been turned on or off. Adjust your driving accordingly. To

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limit wheel spin and realize the full benefits of the stability enhancement system, you should normally leave StabiliTrak on. However, you should turn StabiliTrak off if the vehicle gets stuck in sand, mud, ice, or snow and you want to rock the vehicle to attempt to free it, or if you are driving in extreme off-road conditions and require more wheel spin. See If the Vehicle Is Stuck on page 9‑14. To turn the StabiliTrak system on or off, see StabiliTrak® System on page 9‑56. STABILITRAK OFF may also display when the stability control has been automatically disabled. There are several conditions that can cause this message to appear. . One condition is overheating,

which could occur if StabiliTrak activates continuously for an extended period of time.

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The message also displays if the brake system warning light is on. See Brake System Warning Light on page 5‑24. The message could display if the stability system takes longer than usual to complete its diagnostic checks due to driving conditions. The message displays if an engine or vehicle related problem has been detected and the vehicle needs service. See your dealer.

The message turns off as soon as the conditions that caused the message to be displayed are no longer present.

Airbag System Messages

SERVICE AIR BAG This message displays if there is a problem with the airbag system. Have your dealer inspect the system for problems.

See Airbag Readiness Light on page 5‑17 and Airbag System on page 3‑22 for more information.

Security Messages

SERVICE THEFT DETERRENT SYSTEM This message displays when there is a problem with the theft-deterrent system. The vehicle may or may not restart so you may want to take the vehicle to your dealer before turning off the engine. See Immobilizer Operation on page 2‑12 for more information.

Starting the Vehicle Messages

FAST IDLE ON If your vehicle has this feature, this message displays when the fast idle feature is on. See Fast Idle System on page 9‑28 for more information.

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Tire Messages

SERVICE TIRE MONITOR SYSTEM If the vehicle has the Tire Pressure Monitor System (TPMS), this message displays if a part on the system is not working properly. The tire pressure light also flashes and then remains on during the same ignition cycle. See Tire Pressure Light on page 5‑26. Several conditions may cause this message to appear. See Tire Pressure Monitor Operation on page 10‑59 for more information. If the warning comes on and stays on, there may be a problem with the TPMS. See your dealer. TIRE LEARNING ACTIVE If the vehicle has the Tire Pressure Monitor System (TPMS), this message displays when the system is re-learning the tire positions on your vehicle. The tire positions must be re-learned after rotating the tires or after replacing a tire or sensor.

See Tire Inspection on page 10‑62, Tire Rotation on page 10‑63, Tire Pressure Monitor System on page 10‑58, and Tire Pressure on page 10‑56 for more information. TIRE LOW ADD AIR TO TIRE If the vehicle has the Tire Pressure Monitor System (TPMS), this message displays when the pressure in one or more of the vehicle's tires is low. This message also displays LEFT FRT (left front), RIGHT FRT (right front), LEFT RR (left rear), or RIGHT RR (right rear) to indicate the location of the low tire. The low tire pressure warning light will also come on. See Tire Pressure Light on page 5‑26. You can receive more than one tire pressure message at a time. To read the other messages that may have been sent at the same time, press the set/reset button or the trip odometer reset stem. If a tire pressure message appears on the DIC, stop as soon as you can. Have the tire pressures checked and set

to those shown on the Tire Loading Information label. See Tires on page 10‑47, Vehicle Load Limits on page 9‑15, and Tire Pressure on page 10‑56. The DIC also shows the tire pressure values. See Driver Information Center (DIC) on page 5‑29.

Transmission Messages

GRADE BRAKING DISABLED This message displays when the grade braking has been disabled with the tow/haul mode button on the end of the shift lever. See Tow/ Haul Mode on page 9‑38, Automatic Transmission on page 9‑33, and Cruise Control on page 9‑59. GRADE BRAKING ENABLED This message displays when the grade braking has been enabled with the tow/haul mode button on the end of the shift lever. See Tow/ Haul Mode on page 9‑38, Automatic Transmission on page 9‑33, and Cruise Control on page 9‑59.

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TRANSMISSION HOT IDLE ENGINE Notice: Do not drive the vehicle while the transmission fluid is overheating and the transmission temperature warning is displayed on the instrument cluster and/or DIC, or the transmission can be damaged. This could lead to costly repairs that would not be covered by the warranty. This message displays and a chime may sound if the transmission fluid in the vehicle gets hot. 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 clears and the chime stops when the fluid temperature reaches a safe level.

GRADE BRAKING ON This message displays when the grade braking has been activated while driving on downhill grades. This message will only appear the first time the feature is activated in an ignition cycle. See Tow/Haul Mode on page 9‑38, Automatic Transmission on page 9‑33, and Cruise Control on page 9‑59. SERVICE 4 WHEEL DRIVE If the vehicle has four-wheel drive, this message may display if a problem occurs with the four-wheel-drive system. If this message appears, stop as soon as possible and turn off the vehicle. Make sure the key is in the LOCK/ OFF position for at least one minute and then 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 dealer.

Vehicle Reminder Messages

CHECK TRAILER WIRING On vehicles with the Integrated Trailer Brake Control (ITBC) system, this message may display and a chime may sound when one of the following conditions exists: . A trailer with electric brakes

becomes disconnected from the vehicle. ‐ If the disconnect occurs while

the vehicle is stopped, this message clears itself after a short time.

‐ If the disconnect occurs while

the vehicle is moving, this message stays on until the ignition is turned off.

There is a short in the wiring to the electric trailer brakes.

When this message displays, power is no longer available to the trailer brakes.

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As soon as it is safe to do so, carefully pull the vehicle over to the side of the road and turn the ignition off. Check the wiring connection to the trailer and turn the ignition back on. This message clears if the trailer is reconnected. This message also clears if you acknowledge it. If this message still displays, either the vehicle or the trailer needs service. See your dealer. See “Integrated Trailer Brake Control System” under Towing Equipment on page 9‑93 for more information. ICE POSSIBLE DRIVE WITH CARE This message displays when ice conditions are possible. TRAILER CONNECTED On vehicles with the Integrated Trailer Brake Control (ITBC) system, this message displays briefly when a trailer with electric brakes is first connected to the vehicle.

This message clears itself after several seconds. This message also clears if you acknowledge it. After this message clears, the TRAILER GAIN/OUTPUT display appears in the DIC. See “TRAILER GAIN/OUTPUT” under Driver Information Center (DIC) on page 5‑29 and “Integrated Trailer Brake Control System” under Towing Equipment on page 9‑93 for more information.

Washer Fluid Messages

WASHER FLUID LOW ADD FLUID This message displays when the windshield washer fluid is low. Fill the windshield washer fluid reservoir as soon as possible. See Engine Compartment Overview on page 10‑5 for the location of the windshield washer fluid reservoir. Also, see Washer Fluid on page 10‑24 for more information.

Vehicle Personalization

Vehicle Personalization (With DIC Buttons) The vehicle may have customization capabilities that allow you to program certain features to one preferred setting. Customization features can only be programmed to one setting on the vehicle and cannot be programmed to a preferred setting for two different drivers. All of the customization options may not be available on the vehicle. Only the options available will be displayed on the DIC. The default settings for the customization features were set when the vehicle left the factory, but may have been changed from their default state since then. The customization preferences are automatically recalled.

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To change customization preferences, use the following procedure. Entering the Feature Settings Menu 1. Turn the ignition on and place

the vehicle in P (Park). To avoid excessive drain on the battery, turn the headlamps off. 2. Press the customization button

to scroll through the available customizable options.

Feature Settings Menu Items The following customization features allow you to program settings to the vehicle:

DISPLAY IN ENGLISH This feature will only display if a language other than English has been set. This feature allows you to change the language in which the DIC messages appear to English.

Press the customization button until the PRESS V TO DISPLAY IN ENGLISH screen appears on the DIC display. Press the set/reset button once to display all DIC messages in English.

DISPLAY LANGUAGE This feature allows you to select the language in which the DIC messages will appear. Press the customization button until the DISPLAY LANGUAGE screen appears on the DIC display. Press the set/reset button once to access the settings for this feature. Then press the customization button to scroll through the following settings: ENGLISH (default): All messages will appear in English. FRANCAIS: All messages will appear in French. ESPANOL: All messages will appear in Spanish.

NO CHANGE: No change will be made to this feature. The current setting will remain. To select a setting, press the set/ reset button while the desired setting is displayed on the DIC. You can also change the language by pressing the trip odometer reset stem. See “Language” under Driver Information Center (DIC) on page 5‑29 for more information.

AUTO DOOR LOCK This feature allows you to select when the vehicle's doors will automatically lock. See Automatic Door Locks on page 2‑8 for more information.

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Press the customization button until AUTO DOOR LOCK appears on the DIC display. Press the set/reset button once to access the settings for this feature. Then press the customization button to scroll through the following settings: SHIFT OUT OF PARK (default): The doors will automatically lock when the vehicle is shifted out of P (Park). AT VEHICLE SPEED: The doors will automatically lock when the vehicle speed is above 13 km/h (8 mph) for three seconds. NO CHANGE: No change will be made to this feature. The current setting will remain. To select a setting, press the set/ reset button while the desired setting is displayed on the DIC.

AUTO DOOR UNLOCK This feature allows you to turn off the automatic door unlocking feature. It also allows you to select which doors and when the doors will

automatically unlock. See Automatic Door Locks on page 2‑8 for more information. Press the customization button until AUTO DOOR UNLOCK appears on the DIC display. Press the set/reset button once to access the settings for this feature. Then press the customization button to scroll through the following settings: OFF: None of the doors will automatically unlock. DRIVER AT KEY OUT: Only the driver door will unlock when the key is taken out of the ignition. DRIVER IN PARK: Only the driver door will unlock when the vehicle is shifted into P (Park). ALL AT KEY OUT: All of the doors will unlock when the key is taken out of the ignition. ALL IN PARK (default): All of the doors will unlock when the vehicle is shifted into P (Park).

NO CHANGE: No change will be made to this feature. The current setting will remain. To select a setting, press the set/ reset button while the desired setting is displayed on the DIC.

REMOTE DOOR LOCK This feature allows you to select the type of feedback received when locking the vehicle with the Remote Keyless Entry (RKE) transmitter. You will not receive feedback when locking the vehicle with the RKE transmitter if the doors are open. See Remote Keyless Entry (RKE) System Operation on page 2‑2 for more information.

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Press the customization button until REMOTE DOOR LOCK appears on the DIC display. Press the set/reset button once to access the settings for this feature. Then press the customization button to scroll through the following settings: OFF: There will be no feedback when you press the lock button on the RKE transmitter. LIGHTS ONLY: The exterior lamps will flash when you press the lock button on the RKE transmitter. HORN ONLY: The horn will sound on the second press of the lock button on the RKE transmitter. HORN & LIGHTS (default): The exterior lamps will flash when you press the lock button on the RKE transmitter, and the horn will sound when the lock button is pressed again within five seconds of the previous command. NO CHANGE: No change will be made to this feature. The current setting will remain.

To select a setting, press the set/ reset button while the desired setting is displayed on the DIC.

REMOTE DOOR UNLOCK This feature allows you to select the type of feedback received when unlocking the vehicle with the Remote Keyless Entry (RKE) transmitter. You will not receive feedback when unlocking the vehicle with the RKE transmitter if the doors are open. See Remote Keyless Entry (RKE) System Operation on page 2‑2 for more information. Press the customization button until REMOTE DOOR UNLOCK appears on the DIC display. Press the set/ reset button once to access the settings for this feature. Then press the customization button to scroll through the following settings: LIGHTS OFF: The exterior lamps will not flash when you press the unlock button on the RKE transmitter.