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:

    English and Metric Unit Conversion
    To change the display units between English and metric units, see Driver Information Center (DIC) for more information. ...

    Setting the Time
    The radio may have a button marked with an H or HR to represent hours and an M or MN to represent minutes. Press and hold the hour button until the correct hour appears on the display. AM or PM ...

    Cruise Control
    The cruise control lets the vehicle maintain a speed of about 40 km/h (25 mph) or more without keeping your foot on the accelerator. Cruise control does not work at speeds below 40 km/h (25 mph). ...