Reactivation for Subsequent Owners

Push to an Advisor as soon as possible after acquiring the vehicle. The Advisor will 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:

    Navigation System
    If the vehicle has a navigation system, there is a separate navigation system manual that includes information on the radio, audio players, and navigation system. The navigation system provides d ...

    Engine Overheating
    If the vehicle has the Duramax® Diesel engine, see the Duramax Diesel Supplement for more information. The vehicle has several indicators to warn of engine overheating. There is a coolant temperatu ...

    Care of the CD Player
    Do not add any label to a CD. It could get caught in the CD. If a CD is recorded on a personal computer and a description label is needed, try labeling the top of the recorded CD with a marking pen. ...