2002 Cadillac DeVille Owner's Manual - Page 220

AVC (Automatic Volume Control): With AVC, your audio system monitors the noise in the vehicle. Then, AVC adjusts the volume level so that it always sounds the same to you. To use AVC, press and hold the TONE button until AUTO VOLUME CONTROL OFF appears on the display. Then press the LEVEL plus symbol. AUTO VOLUME CONTROL ON will appear on the display. AVC VOLUME will appear on the display any time you adjust the volume while AVC is on. To turn AVC off, press and hold the TONE button until AUTO VOLUME CONTROL ON appears on the display. Then press the LEVEL minus symbol. AUTO VOLUME CONTROL OFF will appear on the display. HR (Hour) or MN (Minute): Display the time with the ignition off by pressing one of these buttons. SOURCE: Press this button to select a source, either cassette or compact disc. The audio source must be loaded to play. Available loaded sources are shown on the display. If a source is being used, it will be underlined on the display. If none of the audio sources are loaded, NO SOURCE LOADED will appear on the display. Press this button again or press BAND to switch back to the radio. Finding a Station BAND: Press this button to select AM, FM1 or FM2, weather or XM1 or XM2 if your radio is equipped with XM Satellite Radio Service. ∨  : When this button is pressed it has two positions. Press this button to the first position to manually tune to the next or previous stations. If this button is held at the first position for a few seconds, the radio will continue tuning until this button is released. Press this button to the second position and release it to seek to the next or previous radio station. SCAN: Press this button for less than two seconds to scan radio stations. The radio will go to a station, play for five seconds, then go on to the next station. Press this button again to stop scanning. To scan preset stations, press and hold SCAN for more than two seconds until you hear a beep. The radio will go to the first preset station stored on your pushbuttons, play for five seconds, then go on to the next preset station. Press SCAN again to stop scanning. The radio will scan preset stations with a strong signal only.  TUNE SEEK ∧ t 3-18