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:

    Odometer
    The odometer shows how far the vehicle has been driven, in either kilometers or miles. This vehicle has a tamper-resistant odometer. The digital odometer will read 999,999 if it is turned back. If t ...

    If Steam Is Coming from the Engine Compartment
    See Overheated Engine Protection Operating Mode for information on driving to a safe place in an emergency. ...

    Limited-Slip Differential
    Vehicles with a limited-slip differential can give more traction on snow, mud, ice, sand, or gravel. It works like a standard differential most of the time, but when traction is low, this fea ...