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:

    Towing
    Consult your dealer or a professional towing service if you need to have your disabled vehicle towed. If you want to tow your vehicle behind another vehicle for recreational purposes (such as behi ...

    Driver Efficiency Gauge
    For eAssist vehicles, this gauge assists in driving efficiently and will vary based on driver input. To maximize efficiency, keep the gauge pointed in the solid green zone in the center of ...

    Three-Way Calling
    Three-way calling must be supported on the Bluetooth phone and enabled by the wireless service carrier. 1. While on a call, press . The system responds with “Ready,” followed by a tone. 2. Say ...