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:

    Tachometer
    The tachometer displays the engine speed in revolutions per minute (rpm). For eAssist vehicles, when the ignition is in ON/RUN, the tachometer indicates the vehicle status. When pointing to ...

    Glove Box
    Lift up on the lever to open it. The glovebox features a pen holder (A). The intermediate shelf (B) can be removed by pulling on the front edge. To reinstall the shelf, slide it into the side g ...

    Regenerative Braking
    Regenerative braking takes some of the energy from the moving vehicle and turns it into electrical energy. This energy is then stored in the vehicle's high voltage battery system, contributin ...