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:

    Fuses and Circuit Breakers
    The wiring circuits in your vehicle are protected from short circuits by a combination of fuses and circuit breakers. This greatly reduces the chance of fires caused by electrical problems. Loo ...

    Limited-Slip Differential
    Vehicles with a limited-slip differential can give more traction on snow, mud, ice, sand, or gravel. It works like a standard differential most of the time, but when traction is low, this fea ...

    Playing a CD
    A disc must be loaded to select the source. When a disc is loaded, the disc icon displays. There are two ways to play a CD: • Insert the disc and playback starts automatically. • Press C ...