2003 GMC Envoy Owner's Manual - Page 230

PROG (Program): Press this button to switch between playing a cassette tape or a CD and listening to the radio. The inactive tape or CD will remain safely inside the radio for future listening. SEEK: Press the SEEK button to seek to the next station and stay there. The display will show your selection. To scan preset stations, press and hold the SEEK button. The radio will scan to a preset station, play for a few seconds, then go the next preset station. The display will show your selections. The SEEK button is inactive if the front radio is in use. While listening to a cassette tape, press the SEEK button to hear the next selection on the tape. Press and hold the SEEK button to go to the other side of the tape. The SEEK button is inactive if the tape mode on the front radio is in use. While listening to a CD, press the SEEK button to hear the next track on the CD. The SEEK button is inactive if the CD mode on the front radio or the CD changer is in use. Radio Personalization If your vehicle has this feature, it allows the driver to return to the last used audio source (radio, cassette or CD) using the remote keyless entry transmitter. This feature can also store and recall AM and FM presets, volume, tone and the last selected radio station. The number on the back of each transmitter (1 or 2) corresponds to driver 1 or 2. If transmitter 1 is used to enter the vehicle, the last used audio source and/or settings set by driver 1 will be recalled. If transmitter 2 is used to enter the vehicle, the last used audio source andlor settings set by driver 2 will be recalled. Theft-Deterrent Feature (RDS Radios) 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. 3-105