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:

    Starting the Engine
    Place the transmission in the proper gear. Automatic Transmission Move the shift lever to P (Park) or N (Neutral). The engine will not start in any other position. To restart the vehicle when it is ...

    System Settings
    Configuring the Number of Favorite Pages To configure the number of available favorite pages: 1. Press the CONFIG button. 2. Select Radio Settings. 3. Select Radio Favorites. 4. Select the number ...

    Gasoline Specifications
    At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 in Canada. Some gasolines may contain an octane-enhancing additive called methylcyclopentadienyl m ...