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:

    Making Turns
    Notice: Making very sharp turns while trailering could cause the trailer to come in contact with the vehicle. Your vehicle could be damaged. Avoid making very sharp turns while trailering. When y ...

    Radiator Pressure Cap
    Notice: If the pressure cap is not tightly installed, coolant loss and possible engine damage may occur. Be sure the cap is properly and tightly secured. ...

    Hazard Warning Flashers
    Hazard Warning Flashers Hazard Warning Flasher: Press this button to make the front and rear turn signal lamps flash on and off. Press again to turn the flashers off. The hazard warning fl ...