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:

    Backing Up
    Hold the bottom of the steering wheel with one hand. To move the trailer to the left, move that hand to the left. To move the trailer to the right, move your hand to the right. Always back up ...

    How to Add Coolant to the Radiator
    1. You can remove the radiator pressure cap when the cooling system, including the radiator pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap slowly counterclockwis ...

    Sending a Stored Name Tag During a Call
    1. Press . The system responds with “Ready” followed by a tone. 2. Say “Send name tag.” The system responds with “Say a name tag to send tones” followed by a tone. 3. Say the name ...