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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    Sun Visors
    Sun Visors Pull the sun visor down to block glare. Detach the sun visor from the center mount to pivot to the side window, or to extend along the rod, if available. ...

    Vehicle Reminder Messages
    CHECK TRAILER WIRING On vehicles with the Integrated Trailer Brake Control (ITBC) system, this message may display and a chime may sound when one of the following conditions exists: • A trailer wi ...

    Remote Start Heated Seats
    When it is cold outside, the heated seats can be programmed to turn on automatically during a remote vehicle start. The heated seats will be canceled when the ignition is turned on. Press the heat ...