1998 Cadillac Eldorado Owner's Manual - Page 189

Theft-Deterrent Feature THEFTLOCK@is designed to discourage theftof your radio. Your vehicle has a "built-in" theft-deterrent feature on each radio that is automatic -- there is no programming required. The radioin your vehicle cannot be used in any other vehicle. When the radio was originally installed in your vehicle at the factory, it stored the Vehicle Identification Number (VIN). Each time the ignition is turned on, the VIN is verified. If the vehicle's VIN does notmatch the VIN stored in the radio, the radio will THEFTLOCK. 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. Audio Steering Wheel Controls Some audio controls be adjusted at the steering can wheel. They include the following: VOLUME: Press the up arrow lever to increase volume and the down arrow lever to decrease volume. 3-33