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:

    Tow/Haul Mode
    Pressing this button at the end of the shift lever turns on and off the tow/haul mode. This indicator light on the instrument panel cluster comes on when the tow/haul mode is on. Tow/Haul is ...

    Windshield Washer
    WARNING! In freezing weather, do not use the washer until the windshield is warmed. Otherwise the washer fluid can form ice on the windshield, blocking your vision. ...

    Exterior
    Designed with a chiseled look, the four-door STS features what Cadillac says is a "faster profile" with "more rake" than the CTS. Cadillac styling touches include a wide airfoi ...