2010 Cadillac CTS Owner's Manual - Page 186

6-2 Infotainment System Navigation/Radio System For vehicles with a navigation radio system, see the separate Navigation System manual. Operation Theft-Deterrent Feature THEFTLOCK® is designed to discourage theft of the vehicle's radio by learning a portion of the Vehicle Identification Number (VIN). The radio does not operate if it is stolen or moved to a different vehicle. Full View of Radio with CD shown, Radio with Six-Disc CD similar