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:

    Rear Seat Entertainment (RSE) System
    The vehicle may have a DVD Rear Seat Entertainment (RSE) system. The RSE system works with the vehicle's infotainment system. The DVD player is part of the front radio. The RSE system includes a ...

    Manual Transmission
    If the vehicle has a manual transmission, the shift lever is located on the center console between the front seats. The following explains how to operate the manual transmission. CTS CT ...

    Passenger Side
    The removal of the air filter/cleaner assembly and base is required for the replacement of one of these bulbs: 1. Open the hood. See Hood. A. Air Duct Clamp B. Connector Lock C. Sensor Co ...