GMC Sierra 2005, Owner'S Manual

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Playing the Radio
PWR (Power): Press this knob to turn the system on
and off.
o
VOL
p
(Volume): Turn this knob to increase or to
decrease the volume.
INFO (Information): When the ignition is off, press this
knob to display the time.
For RDS, press the INFO knob to change what appears
on the display while using RDS. The display options
are station name, RDS station frequency, PTY, and the
name of the program (if available).
For XM™ (if equipped), press the INFO knob while in
XM™ mode to retrieve four different categories of
information related to the current song or channel:
Artist, Song Title, Category or PTY, Channel
Number/Channel Name.
To change the default on the display, press the INFO
knob until you see the display you want, then hold
the knob until you hear a beep. The selected display will
now be the default.
AUTO VOL (Automatic Volume): With automatic
volume, the audio system will adjust automatically to
make up for road and wind noise as you drive by
increasing the volume as vehicle speed increases.
Set the volume at the desired level. Press this button to
select LOW, MEDIUM, or HIGH. AVOL will appear
on the display. Each higher setting will provide more
volume compensation at faster vehicle speeds. To turn
automatic volume off, press this button until AVOL
OFF appears on the display.
Finding a Station
BAND: Press this button to switch between FM1, FM2,
AM, or XM1 or XM2 (if equipped). The display will
show the selection.
o
TUNE
p
: Turn this knob to select radio stations.
©
SEEK
¨
: Press either the SEEK or the TYPE
arrows to go to the next or to the previous station and
stay there.
The radio will only seek stations with a strong signal
that are in the selected band.
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