Audio Steering Wheel Controls - GMC Sierra Classic 2007 Owner's Manual

Audio Steering Wheel Controls

If your vehicle has this feature, some audio
controls can be adjusted at the steering wheel.
They include the following:
g ®
(OnStar /Mute): If your vehicle has OnStar,
press this button to interact with the OnStar
system. See the OnStar
this manual for more information.
If your vehicle does not have OnStar, press this
button to silence the system. Press it again, or any
other radio button, to turn on the sound.
344
®
System on page 186 in
PROG (Program): Press this button to play a
station you have programmed on the radio preset
pushbuttons. The radio will only seek preset
stations with a strong signal that are in the
selected band.
When a cassette tape is playing, press this button
to play the other side of the tape.
When a CD is playing in the CD changer, press
this button to go to the next available CD, if
multiple CDs are loaded.
Q R
SOURCE : Press this button to switch
between FM1, FM2, AM, or XM1 or XM2 (if
equipped), or a cassette tape or CD. The cassette
or CD must be loaded to play. Available loaded
sources are shown on the display as a tape
or a CD symbol.
Q R
SEEK : Press the up or the down arrow to
go to the next or to the previous radio station
and stay there. The radio will only seek stations
with a strong signal that are in the selected band.
When a cassette tape or CD is playing, press the up
or the down arrow to fast forward or reverse.
Q R
VOL (Volume): Press the up or the down
arrow to increase or to decrease the volume.