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:

    Manual Mode
    Driver Shift Control (DSC) Notice: Driving with the engine at a high rpm without upshifting while using Driver Shift Control (DSC), could damage the vehicle. Always upshift when necessary while u ...

    Theft-Deterrent Feature
    THEFTLOCK® is designed to discourage theft of your vehicle’s radio. The feature works automatically by learning a portion of the Vehicle Identification Number (VIN). If the radio is moved to a ...

    Instrument Panel Fuse Block
    The instrument panel fuse block is on the driver side of the instrument panel. To access the fuses: 1. Access the fuse block by opening the storage compartment. 2. Pull straight down and out to ...