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:

    Service Bulletins
    Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis ...

    Easy Exit Driver Seat
    This feature moves the seat rearward allowing the driver more room to exit the vehicle. To activate, place the ignition in OFF and open the driver door. If the driver door is already open, placin ...

    Express Window Anti-Pinch Override
    WARNING If express override is activated, the window will not reverse automatically. You or others could be injured and the window could be damaged. Before you use express override, make sur ...