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:

    Service Parts Identification Label
    This label, located either in the glove box or the trunk area, has the following information: ► Vehicle Identification Number (VIN). ► Model designation. ► Paint information. ...

    What Makes an Airbag Inflate?
    In an impact of sufficient severity, the airbag sensing system detects that the vehicle is in a crash. Additionally, in the case of a “rollover capable” roof-mounted side impact airbag, the se ...

    Steering Wheel Controls
    Some audio controls can be adjusted at the steering wheel. (Push to Talk): For vehicles with a Bluetooth, OnStar, or navigation system, press to interact with those systems. See Bluetooth (Inf ...