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:

    Instrument Panel Brightness
    (Instrument Panel Brightness): This feature controls the brightness of the instrument panel lights. The knob for this control is located next to the exterior lamps control. Push the knob in a ...

    Hill and Mountain Roads
    Driving on steep hills or through mountains is different than driving on flat or rolling terrain. Tips for driving in these conditions include: ► Keep the vehicle serviced and in good shape. ...

    Dual Tone Multi-Frequency (DTMF) Tones
    The in-vehicle Bluetooth system can send numbers during a call. This is used when calling a menu-driven phone system. For Radio with CD: 1. Turn or press the TUNE/MENU knob and select Enter Number ...