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:

    Handling
    The ATS' handling is the car's claim to potential fame. Several Cadillac models have been introduced since the 2003 CTS sedan set the company's new tone for world-class athleticism, yet none has c ...

    Vehicles Without a Navigation System
    When the vehicle is on and the driver shifts into R (Reverse), the video image automatically appears on the inside rearview mirror. Once the driver shifts out of R (Reverse), the video image automat ...

    Dome Lamps
    The dome lamps are located in the overhead console. They come on when any door is opened and turn off after all the doors are closed. Turn the instrument panel brightness knob located below the dome ...