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:

    Transmission
    Automatic Transmission P: Park R: Reverse N: Neutral D: Drive Manual Mode Move the selector lever from D (Drive) to the left. Press the shift lever forward (+) to upshift or rearward (&# ...

    Cigarette Lighter
    For vehicles with a cigarette lighter, it is located on the instrument panel below the climate control system. To activate the cigarette lighter, push it into the heating element and let go. When ...

    Trailer Brakes
    Does the trailer have its own brakes? Be sure to read and follow the instructions for the trailer brakes so they are installed, adjusted, and maintained properly. Because the vehicle has antilock ...