Buick 2003 Century Owner's Manual page 155

P SCAN (Preset Scan): Press this button to listen to
each of your preset stations for a few seconds.
Press P SCAN again to stop scanning presets.
The radio will scan only to preset stations that are in the
selected band and only to those with a strong signal.
Setting Preset Stations
The six numbered pushbuttons let you return to your
favorite stations. You can set up to 18 stations (six AM,
six FMI and six FM2) by performing the following
steps:
1. Turn the radio on.
2. Press the AM FM button to select AM, FMI or FM2.
3. Tune in the desired station.
4. Press and hold one of the six numbered
pushbuttons. The sound will mute. When it returns
release the pushbutton. Whenever you press
that numbered pushbutton, the station you set will
return.
5. Repeat the steps for each pushbutton.
Setting the Tone (Bassnreble)
BASS: Press this knob lightly so it extends. Turn the
knob to increase or to decrease bass.
TREB (Treble): Press this knob lightly so it extends.
Turn the knob to increase or to decrease treble. If
a station is weak or noisy, you may want to decrease
the treble.
Return these knobs to their stored positions when
you're not using them.
Adjusting the Speakers (Balance/Fade)
BAL (Balance): Turn the control ring behind the
upper knob to move the sound toward the left or the
right speakers.
FADE: Turn the control ring behind the lower knob to
move the sound toward the front or the rear speakers.
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