Reactivation for Subsequent Owners

Push The Advisor will update vehicle records and will explain the OnStar service offers and options available. 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:

    How to Reset the Engine Oil Life System
    Reset the system whenever the engine oil is changed so that the system can calculate the next engine oil change. To reset the system: If the vehicle does not have Driver Information Center (DIC) butt ...

    Remote Start Heated Seats
    When it is cold outside, the heated seats may turn on automatically during a remote vehicle start. The heated seats will be canceled when the ignition is turned on. Press the desired button to use the ...

    Finding a Station
    BAND: Press to switch between AM, FM, or XM. The selection displays. (Tune): Turn to select radio stations. SEEK and SEEK: Press to go to the previous or next station and stay there. To scan s ...