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:

    Dolly Towing (All-Wheel—Drive Vehicles)
    All-wheel—drive vehicles should not be towed with two wheels on the ground. To properly tow these vehicles, they should be placed on a platform trailer with all four wheels off of the ground or ding ...

    Control Buttons
    The knobs and buttons used to control the CD player are: CD: Press to play a CD when listening to the radio. The disc and/or track number display when a CD is in the player. or : Press to ...

    Navigation
    OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the v ...