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:

    How to Change the Video Format when inthe Auxiliary Mode
    The auxiliary input video format is preset to NTSC. In some countries, the video format may be in the PAL system. To change the video format, perform the following: 1. Press the display menu b ...

    General Towing Information
    Only use towing equipment that has been designed for the vehicle. Contact your dealer or trailering dealer for assistance with preparing the vehicle for towing a trailer. See the following tra ...

    Comfortable, quiet ride
    In addition to delivering surprising performance, Rainier's refined powertrains and precision-engineered chassis system contribute to a comfortable, quiet ride - a Buick distinction throughout its ...