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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    When to Check
    Check the tires once a month or more. Do not forget the spare tire. See Full-Size Spare Tire   for additional information. ...

    Wipe Parking
    If the ignition is changed to STOPPING THE ENGINE/OFF mode while the wipers are on 1, 2, or INT, they will immediately stop. If the windshield wiper lever is then moved to off before the driver do ...

    Following Distance
    Stay at least twice as far behind the vehicle ahead as you would when driving the vehicle without a trailer. This can help to avoid situations that require heavy braking and sudden turns. ...