GMC Sierra Classic 2007 Owner's Manual page 289

Finding a Station
AM FM: Press this button to switch between FM1,
FM2, or AM. The selection displays.
TUNE: Turn this knob to select radio stations.
o p
SEEK : Press the left
arrow to go to the previous or to the next
station and stay there.
To scan stations, press and hold either the left
p
or right SEEK arrow for two seconds until a
beep sounds. The radio goes to a station, plays for
a few seconds, then goes to the next station.
o
Press either the left
again to stop scanning.
To scan preset stations, press and hold either
o p
the left or right SEEK arrow for more than
four seconds until two beeps sound. The radio goes
to the first preset station stored on the pushbuttons,
plays for a few seconds, then goes to the next
preset station. Press either the left
SEEK arrow again to stop scanning presets.
The radio only seeks and scans stations with a
strong signal that are in the selected band.
o p
or right SEEK
p
or right SEEK arrow
o p
or right
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
o
pushbuttons until a beep sounds. When
that numbered pushbutton is pressed, the
station that was set, returns.
5. Repeat Steps 2 through 4 for each pushbutton.
Setting the Tone (Bass/Treble)
AUDIO: To adjust bass or treble, press and
release AUDIO until BAS (bass) or TRE (treble)
displays. Then press and hold the up or the down
arrow to increase or to decrease the tone. If a
station is weak or has static, decrease the treble.
To adjust bass or treble to the middle position,
select BAS (bass) or TRE (treble). Then press and
hold AUDIO for more than two seconds until a
beep sounds. B (balance) and a zero or T (treble)
and a zero displays.
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