Cadillac 2004 DeVille Owner's Manual page 216

Playing the Radio
PWR (Power): Press this knob to turn the system on
and off.
VOL (Volume): Turn this knob to increase or to
decrease volume.
AVC (Automatic Volume Control): With AVC, adjusts
automatically to make up for road or wind noise as
you drive.
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.
3-90
Finding a Station
BAND: Press this button to select weather, FM1, FM2,
AM, or XM1 or XM2 (48 contiguous US states, if
equipped).
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TUNE SEEK : This button can be pressed to two
positions. Press this button to the first position to
tune to the next or to the previous frequency. 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
go to the next or to the previous radio station and
stay there.
The radio will seek only to stations that are in the
selected band and only to those with a strong signal.
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 presets.
The radio will scan only to the stations that are in the
selected band and only to those with a strong signal.