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:

    Aluminum Wheels
    Notice: If you use strong soaps, chemicals, abrasive polishes, cleaners, brushes, or cleaners that contain acid on aluminum or chrome-plated wheels, you could damage the surface of the wheel(s). T ...

    Fog Lamps
    The fog lamps button is on the exterior lamps control to the left of the steering column. (Fog Lamps): Press the exterior lamps button to turn the fog lamps on or off. A light comes on in th ...

    Defogging and Defrosting
    Fog on the inside of windows is a result of high humidity (moisture) condensing on the cool window glass. This can be minimized if the climate control system is used properly. You can use either d ...