Buick 2006 Rendezvous Owner's Manual page 247

To use the PTY interrupt feature, press and hold the
P-TYPE button until you hear a beep on the PTY you
want to interrupt with. When selected, an asterisk will
appear beside that PTY on the display. You may select
multiple interrupts if desired. When you are listening to a
CD, the last selected RDS station will interrupt play if that
selected program type format is broadcast.
SCAN: Scan the stations within a PTY by performing
the following:
1. Press the P-TYPE button to activate program type
select mode. P-TYPE and the last selected PTY will
appear on the display.
2. Turn the P-TYPE knob to select a PTY.
3. Once the desired PTY is displayed, press and
hold either SCAN arrow, and the radio will begin
scanning the stations in the PTY.
4. Press either SCAN arrow to stop at a station.
If both P-TYPE and TRAF are on, the radio will scan
for stations with the selected PTY and traffic
announcements.
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.
Setting Preset PTYs (RDS Only)
These buttons have factory PTY presets. Up to 12 PTYs
(six FM1 and six FM2), can be programmed on the
six numbered pushbuttons, by performing the
following steps:
1. Press BAND to select FM1 or FM2.
2. Press the P-TYPE button to activate program type
select mode. P-TYPE and the last selected PTY will
appear on the display.
3. Turn the P-TYPE knob to select a PTY.
4. Press and hold one of the six numbered
pushbuttons until you hear a beep. Whenever that
numbered pushbutton is pressed, the PTY that
was set will return.
5. Repeat the steps for each pushbutton.
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