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:

    Care of the CD Player
    Do not add any label to a CD; it could get caught in the CD player. If a CD is recorded on a personal computer and a description label is needed, try labeling the top of the recorded CD with a markin ...

    Automatic Headlamp System
    When it is dark enough outside, the automatic headlamp system turns on the headlamps at the normal brightness, along with the taillamps, sidemarker, parking lamps, and the instrument panel lights. The ...

    Lamp Messages
    AUTOMATIC LIGHT CONTROL OFF This message displays when the automatic headlamps are turned off. This message clears itself after 10 seconds. AUTOMATIC LIGHT CONTROL ON This message displays when th ...