Cadillac 2007 XLR Owner's Manual page 291

SCAN: To scan stations, touch SCAN. The radio
will go to a station, play for a few seconds,
then go on to the next station. Touch SCAN again
to stop scanning.
To scan preset stations, touch and hold SCAN for
two seconds. It will only scan the audio source
it is in, with the exception of FM 1 and FM 2, which
will both be scanned if in that source. Touch
SCAN again to stop scanning.
RDS (Radio Data System): See "Radio Data
System (RDS)" later in this section for more
information.
MSG (Message): See "Radio Data System
(RDS)" later in this section for more information.
AutoSet: Touch AutoSet to replace currently
stored preset stations with the strongest stations
available in the immediate area. Touch AutoSet
again to return to the original preset stations.
SOUND: See "Sound Menu" following for more
information.
DSP: See "Adjusting the Speakers" later in this
section for more information.
Sound Menu
Touch SOUND at the bottom of the main audio
screen, source menu, or DSP menu to change the
tone, DSP, if equipped, fade, and balance for all
sources. The audio system has a separate setting
for these features for each source preset.
However, the audio system keeps one fade and
one balance setting for all audio sources.
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