Buick 2006 LaCrosse Owner's Manual page 221

To scan preset stations, press and hold either arrow
for more than four seconds. PSCAN 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.
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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