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:

    Submenus
    An arrow on the right-hand edge of the menu indicates that it has a submenu with other options. ...

    Removing the Flat Tire and Installing the Spare Tire
    1. Do a safety check before proceeding. See Changing a Flat Tire. 2. Turn the wheel wrench counterclockwise to loosen all the wheel nuts, but do no remove them yet. 3. Turn the jack handle cou ...

    Your Responsibility
    Increase the volume of the radio if the OnStar Advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Push and request a vehicle diagnos ...