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:

    Top View
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    Exit Recall
    : Press to move the driver seat back a preset distance and/or the power steering column, if equipped, up and forward. A single beep sounds when the exit feature activates. The vehicle must ...

    Fuel System Messages
    FUEL LEVEL LOW This message displays and a chime sounds if the fuel level is low. Refuel as soon as possible. See Fuel Gauge   and Fuel   for more information. TIGHTEN GAS CAP ...