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:

    Remote Vehicle Start
    For vehicles with this feature, the engine can be started from outside the vehicle. ...

    Fuel System Messages
    FUEL LEVEL LOW This message displays when the vehicle is low on fuel. Refuel as soon as possible. ...

    Satellite Radio Antenna
    For vehicles with XM satellite radio service, the antenna is located on the roof of the vehicle. Keep the antenna clear of obstructions for clear radio reception. ...