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.

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    Radio (s)
    Press to turn the system on and off. Turn to increase or decrease the volume. RADIO/BAND: Press to choose between FM, AM, or XM™, if equipped. Turn to select radio stations. Press to seek the p ...

    Automatic Dimming Rearview Mirror with OnStar® and Compass
    Your vehicle may have an automatic-dimming rearview mirror with a compass and the OnStar® system. There are three additional buttons for the OnStar® system. See your dealer for more informatio ...

    Exterior Lighting
    The exterior lamp control is located on the instrument panel on the outboard side of the steering wheel. Turn the control to the following positions: : Turns off the exterior lamps. The kn ...