Cellular and GPS Antennas

Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception.

Cellular reception is required for OnStar to send remote signals to the vehicle.

    See also:

    For Better and Worse
    Without a doubt, the ATS feels a lot like the recently redesigned 3 Series sedan, with comparable attributes inside as well. The backseat has almost a half-inch more legroom than the 3 Series, but ...

    Glass Replacement
    If the windshield or front side glass must be replaced, see your dealer to determine the correct replacement glass. ...

    Brake Assist
    This vehicle has a brake assist feature designed to assist the driver in stopping or decreasing vehicle speed in emergency driving conditions. This feature uses the stability system hydraulic brak ...