2008 Cadillac STS Owner's Manual - Page 275

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 does not operate and LOC, LOCK, or LOCKED could display. With THEFTLOCK® activated, the radio does not operate if stolen. Audio Steering Wheel Controls Your vehicle has audio steering wheel controls. They could differ depending on your vehicle's options. There are three versions. On the outboard side, you may have: 1. SEEK, SRCE (Source), SCAN, and Cruise Control Cancel. 2. SEEK, SRCE, Heated Steering Wheel and Cruise Control Cancel. 3. SRCE, Heated Steering Wheel, Adaptive Cruise Control Gap, and Cruise Control Cancel. The inboard side controls are the same for all versions. Standard Audio Steering Wheel Controls and Cruise Control Cancel Audio Controls With Heated Steering Wheel and Cruise Control Cancel 3-121