Workshop Repair and Service Manuals GMC SIERRA
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Vehicle Messages

Anti-theft Alarm System 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...
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?20 and Airbag System on page 3?23 for more...
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...
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?66 for more information. PARK ASSIST OFF After the...
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 mile). Move the turn signal/multifunction lever to the off position.
Key and Lock Messages      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...
Fuel System Messages      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?15 and Fuel on page 9?73 for more information. TIGHTEN GAS CAP This...
Engine Power Messages      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?23...
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?10 for...
Engine Cooling System Messages      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?17. To avoid added strain...
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...
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?27. If this message appears, stop as soon as...
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...
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?6 for the location of...
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...
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...
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?31 for more information.
Transmission Messages      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...