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:

    Door Locks
    WARNING Unlocked doors can be dangerous. Passengers, especially children, can easily open the doors and fall out of a moving vehicle. The chance of being thrown out of the vehicle in a crash ...

    Windshield Wipers
    (Mist): Turn the band to mist, for a single wiping cycle. Hold it there until the wipers start. Then let go. The wipers will stop after one wipe. If more wipes are needed, hold the band on mist ...

    How to Add Coolant to the Coolant Surge Tank
    Notice: This vehicle has a specific coolant fill procedure. Failure to follow this procedure could cause the engine to overheat and be severely damaged. If no problem is found, check to see if cool ...