Reactivation for Subsequent Owners

Push speak to an Advisor as soon as and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle.

The Advisor will update vehicle records and will explain the OnStar service offers and options available.

    See also:

    Using the System
    When the driver shifts the vehicle into R (Reverse), the video image automatically appears on the navigation screen, or on the inside rearview mirror. Once the driver shifts out of R (Revers ...

    High Intensity Discharge (HID) Lighting
    WARNING The low beam high intensity discharge lighting system operates at a very high voltage. If you try to service any of the system components, you could be seriously injured. Have your d ...

    RELEASE PARK BRAKE SWITCH
    For vehicles with the electric parking brake, this message displays if the switch is pulled while the vehicle is moving. See the electric parking brake information under Parking Brake (Elect ...