Buick 2006 Rainier Maintenance Manual page 196

To adjust the balance or the fade to the middle position
while it is displayed, push the AUDIO knob, then
push it again and hold it until you hear one beep.
To adjust all tone and speaker controls to the middle
position, push and hold the AUDIO knob when no tone
or speaker control is displayed. ALL CENTERED will
appear on the display and you will hear a beep.
Finding a Program Type (PTY) Station
(RDS and XM™)
To select and find a desired PTY perform the following:
1. Turn the P-TYPE knob to select a PTY.
2. Once the desired PTY is displayed, press the
SEEK TYPE button to select and to take you to
the PTY's first station.
3. To go to another station within that PTY, press the
SEEK TYPE button twice to display the PTY and
then to go to another station.
4. Press P-TYPE knob to exit program type
select mode.
IF PTY times out and is no longer on the display,
go back to Step 1.
If both PTY and TRAF are on, the radio will search
for stations with the selected PTY and traffic
announcements.
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If the radio cannot find the desired program type,
NONE will appear on the display and the radio will
return to the last station you were listening to.
BAND (Alternate Frequency): Alternate frequency
allows the radio to switch to a stronger station with the
same program type. To turn alternate frequency on,
press and hold BAND for two seconds. AF ON will
appear on the display. The radio may switch to
stations with a stronger frequency.
To turn alternate frequency off, press and hold BAND
again for two seconds. AF OFF will appear on the
display. The radio will not switch to other stations.
This function does not apply for XM™ Satellite
Radio Service.
RDS Messages
ALERT!: Alert warns of local or national emergencies.
When an alert announcement comes on the current
radio station, ALERT! will appear on the display. You will
hear the announcement, even if the volume is low or
a CD is playing. If a CD is playing, play will stop during
the announcement. Alert announcements cannot be
turned off.
ALERT! will not be affected by tests of the emergency
broadcast system. This feature is not supported by
all RDS stations.