2003 GMC Yukon Owner's Manual - Page 277

PROG (Program): The front passengers must be listening to something different for each of these functions to work: Audio Steering Wheel Controls You can control certain radio functions using the buttons on your steering wheel. • Press this button to go to the preset radio stations set on the pushbuttons on the main radio. • When a cassette tape is playing, press this button to go to the other side of the tape. • When a CD is playing in the radio, press this button to go back to the beginning of the CD. • When a CD is playing in the CD changer, press this button to select a disc. Theft-Deterrent Feature THEFTLOCK® is designed to discourage theft of your 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 and LOCKED will be displayed. When the radio and vehicle are turned off, the blinking red light indicates that THEFTLOCK® is armed. With THEFTLOCK® activated, your radio will not operate if stolen. g (OnStar/Voice Recognition): If your vehicle has OnStar®, you can 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 OnStar®, pressing this button will mute the audio system. PROG (Program): Press this button to play a station you have programmed on the radio preset pushbuttons on the selected band. If a cassette tape is playing, press this button to play the other side of the tape. If a CD is playing, press this button to go to the next available CD. 3-123