Chevrolet 2007 Express 2007 Express Owner's Manual page 191

Setting Preset Stations
Up to 18 stations (six FM1, six FM2, and six AM)
can be programmed on the six numbered
pushbuttons, by performing the following steps:
1. Turn the radio on.
2. Press AM FM to select FM1, FM2, or AM.
3. Tune in the desired station.
4. 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 returns.
5. Repeat Steps 2-4 for each pushbutton.
Setting the Tone (Bass/Treble)
AUDIO: To adjust the bass and the treble, press
and release AUDIO until BAS (bass) or TRE
(treble) appears on the display. Then press and
hold the up or the down arrow to increase or
to decrease. If a station is weak or has static,
decrease the treble.
To adjust bass or treble to the middle position,
select BAS or TRE. Then press and hold AUDIO
for more than two seconds until you hear a
beep. B and a zero or T and a zero appears on
the display.
To adjust both tone controls and both speaker
controls to the middle position, first end out
of audio mode by pressing another button, causing
the radio to perform that function, or by waiting
five seconds for the display to return to time
of day. Then press and hold AUDIO for more than
two seconds until you hear a beep. CEN (center)
appears on the display.
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