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:

    Washer Fluid
    What to Use When windshield washer fluid is needed, be sure to read the manufacturer's instructions before use. If operating the vehicle in an area where the temperature may fall below freezing, use ...

    Extending Engine Run Time
    The engine will continue to run for 10 minutes. Repeat the steps for a 10-minute time extension. Remote start can only be extended once. When remote start is extended, the second 10 minutes w ...

    Anti-theft Alarm System Messages
    THEFT ATTEMPTED This message displays if the vehicle detects a tamper condition. ...