2005 Cadillac CTS Owner's Manual - Page 231

Theft-Deterrent Feature THEFTLOCK® is designed to discourage theft of your vehicle's radio. The feature works automatically by learning a portion of the Vehicle Identification Number (VIN). If the radio is moved to a different vehicle, it will not operate. If the radio is removed from your vehicle, the original VIN in the radio can be used to trace the radio back to your vehicle. With THEFTLOCK® activated, the radio will not operate if stolen. Volume: Turn this knob to increase or to decrease the volume. e(Band/Source): Press this button to switch between FM1, FM2, AM, or XM1 or XM2 (if equipped), radio, or CD. For vehicles with the six-disc CD changer radio: If none of the audio sources are loaded, and this button is pressed, NO SOURCE LOADED will appear on the display. Audio Steering Wheel Controls (CTS) Some audio functions can be adjusted at the steering wheel. They include the following: g (OnStar/Voice Recognition): Press this button to interact with the OnStar® system. See the OnStar® manual provided with your vehicle for more information. If your vehicle does not have the OnStar® System, pressing this button will silence the system. Press this button again or turn the VOL knob to turn the sound on. 3-105