Service Bulletins

Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.

Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.

    See also:

    Engine Exhaust
    WARNING Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled. Exposure to CO can cause unconsciousness and even death. Exhaust may enter the vehicle if: The vehicle i ...

    Steering Wheel Adjustment
    To adjust the steering wheel: 1. Pull the lever (A) down. 2. Move the steering wheel up or down. 3. Pull or push the steering wheel closer or away from you. 4. Lift the lever (A) up to lock the ...

    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 ...