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:

    Emergency Trunk Release Handle
    Emergency Trunk Release Handle Notice: Do not use the emergency trunk release handle as a tie-down or anchor point when securing items in the trunk as it could damage the handle. The emerg ...

    Setting the Clock
    The analog clock is located on the instrument panel above the radio. The clock is not connected with any other vehicle system and runs by itself. To adjust the clock: 1. Locate the adjustment ...

    Engine Power Messages
    ENGINE POWER IS REDUCED This message displays when the engine power is being reduced to protect the engine from damage. There could be several malfunctions that might cause this message. Redu ...