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:

    PRESS START CONTROL TO LEARN KEYS
    If the vehicle has the keyless access system, this message displays when matching new transmitters to the vehicle. See the keyless access information for Remote Keyless Entry (RKE) System O ...

    Storing Memory Positions
    To save into memory: 1. Adjust the driver seat, outside mirrors, and the power steering column, if equipped, to the desired driving positions. 2. Press and hold “1” until two beeps sound. 3 ...

    Fuel Additives
    To provide cleaner air, all gasolines in the United States are now required to contain additives that help prevent engine and fuel system deposits from forming, allowing the emission control ...