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:

    Reducing Speed While Using Cruise Control
    If the cruise control system is already activated: • Press and hold the SET– button on the steering wheel until the lower speed desired is reached, then release it. • To slow down in small amo ...

    Using Softkeys to Play a DVD-A (Audio)
    Once a DVD-A is inserted, the radio display menu shows several tab options for playback. Press the softkey located under any tab option during DVD-A playback. (Play/Pause): Press either the play or ...

    Treadwear 200 Traction AA Temperature A
    The following information relates to the system developed by the United States National Highway Traffic Safety Administration (NHTSA), which grades tires by treadwear, traction, and temperature pe ...