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:

    Windows
    Sedan Driver Side Shown, Wagon and Coupe Similar The driver power window switches controls all the windows. The passenger switch only controls that window. Press the switch down to lower th ...

    Roadside Service
    U.S.: 1-800-224-1400 Canada: 1-800-882-1112 TTY Users (U.S. only): 1-888-889-2438 Mexico: 01-800-466-0805 As the owner of a new Cadillac, you are automatically enrolled in the Roadside Service ...

    Turning the System On or Off
    VOL/ (Volume/Power): Press to turn the system on and off ...