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:

    Auxiliary Devices
    For vehicles equipped with the MyLink or IntelliLink infotainment system, see the separate MyLink/ IntelliLink Features and Functions Guide for more information. The optional AUX input allows porta ...

    Hazard Warning Flashers
    Hazard Warning Flashers Hazard Warning Flasher: Press this button to make the front and rear turn signal lamps flash on and off. Press again to turn the flashers off. The hazard warning fl ...

    Windshield Wipers
    (Mist): Turn the band to mist, for a single wiping cycle. Hold it there until the wipers start. Then let go. The wipers will stop after one wipe. If more wipes are needed, hold the band on mist ...