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:

    Head Restraints
    The vehicle's front seats have adjustable head restraints in the outboard seating positions. The vehicle's rear seats have adjustable head restraints in the outboard seating positions. WARNING W ...

    Turn Signals When Towing a Trailer
    The arrows on the instrument panel flash whenever signaling a turn or lane change. Properly hooked up, the trailer lamps also flash, telling other drivers the vehicle is turning, changing lanes ...

    Audio Source
    VOL/ (Volume/Power): 1. Press to turn the radio on or off. 2. Turn to increase or decrease the volume of the active source (i.e., current audio source, active navigation voice guidance, or ...