Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

    See also:

    Throttle and Brake Pedal Adjustment
    The vehicle has adjustable throttle and brake pedals that allow you to change their positions. The switch used to adjust the pedals is located on the center console below the climate control sy ...

    Chime Volume
    This feature allows you to select the volume level of the chime. Press the customization button until Chime Volume appears on the DIC display. Press the set/reset button once to access the se ...

    Antilock Brake System (ABS) Warning Light
    The Antilock Brake System (ABS), this light comes on briefly when the engine is started. If the light does not come on, have it fixed so it will be ready to warn if there is a problem. If ...