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:

    ENGINE OVERHEATED — IDLE ENGINE
    This message displays when the engine coolant temperature is too hot. Stop and allow the vehicle to idle until it cools down. ...

    Auto Rear Defog
    If equipped, this will allow you to turn the auto rear defog on or off. This feature will automatically turn on the rear defogger when it is cold outside. Press SELECT when Auto Rear Defog i ...

    Shuffle (Radio with CD)
    Turn the Menu knob and set Shuffle Songs (Random) to On or Off, then press the BACK button to return the main screen. On: Plays tracks in the current folder in random order. Off: Plays trac ...