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:

    Online Owner Center
    Online Owner Center (United States only) The Owner Center is a resource for your GM ownership needs. Specific vehicle information can be found in one place. The Online Owner Center allows you to: ...

    Radio(s)
    VOL/ : Press to turn the system on and off. Turn to increase or decrease the volume. RADIO/BAND or SOURCE: Press to choose between FM, AM, or XM™, if equipped. Menu Knob: Turn to select r ...

    Brake System Warning Light
    The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits need ...