Buick 2005 LaCrosse Owner's Manual page 221

To scan the preset stations, press and hold either arrow
for more than four seconds. PSC will appear on the
display and the radio will produce two beeps. The radio
will go to a preset station, play for a few seconds, then go
on to the next preset station. Press either arrow again or
one of the pushbuttons to stop scanning presets.
The radio will only seek and scan stations with a strong
signal that are in the selected band.
SCAN: Press this button until SC appears on the
display. The radio will go to a station, play for a few
seconds, then go on to the next station. Press this
button again to stop scanning stations.
The radio will only scan stations with a strong signal
that are in the selected band.
INFO (Information) (XM™ Satellite Radio Service
Only): If the current station has a message, the
information symbol will appear on the display. Press this
button to see the message. The message may display
the artist, song title, call in phone numbers, etc.
If the entire message is not displayed, parts of the
message will appear every three seconds. To scroll
through the message, press and release the INFO
button. A new group of words will appear on the display
after every press of this button. Once the complete
message has been displayed, the information symbol
will disappear from the display until another new
message is received. The last message can be
displayed by pressing the INFO button. You can view
the last message until a new message is received
or a different station is tuned to.
When a message is not available from a station, NO
INFO will appear on the display.
Setting Preset Stations
Up to 30 stations (six FM1, six FM2, and six AM,
six XM1 and six XM2 (if equipped)), can be programmed
on the six numbered pushbuttons, by performing the
following steps:
1. Turn the radio on.
2. Press BAND to select FM1, FM2, AM, or XM1
or XM2.
3. Tune in the desired station.
4. Press EQ to select the equalization.
5. Press and hold one of the six numbered
pushbuttons until you hear a beep. Whenever that
numbered pushbutton is pressed, the station
that was set will return and the equalization that
was selected will be stored for that pushbutton.
6. Repeat the steps for each pushbutton.
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