Radio Messages - GMC 2003 Savana Owner's Manual

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Setting the Tone (Bass/Treble)
AUDIO: To adjust the bass and the treble, press and
release the AUDIO button repeatedly until BAS or TRE
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 noisy, you may want to decrease the treble.
To adjust bass or treble to the middle position, select BAS
or TRE. Then press and hold the AUDIO button for more
than two seconds until you hear a beep. B and a zero
or T and a zero will appear on the display.
To adjust both tone controls and both speaker controls to
the middle position, first end out of audio mode either 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 the AUDIO
button for more than two seconds until you hear a beep.
CEN will appear on the display.
Adjusting the Speakers (Balance/Fade)
AUDIO: To adjust the balance between the right
and the left speakers, press and release the AUDIO
button until BAL appears on the display. Then press and
hold the up or the down arrow to move the sound
toward the right or the left speakers.
To adjust the fade between the front and the rear
speakers, press and release the AUDIO button until
FAD appears on the display. Then press and hold the up
or the down arrow to move the sound toward the front
or the rear speakers.
To adjust balance or fade to the middle position, select
BAL or FAD. Then press and hold AUDIO for more
than two seconds until you hear a beep. L and a zero
or F and a zero will appear on the display.
To adjust both tone controls and both speaker controls
to the middle position, first end out of audio mode
either 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 will appear on the display.

Radio Messages

CAL (Calibration): Your audio system has been
calibrated for your vehicle from the factory. If CAL
appears on the display it means that your radio has not
been configured properly for your vehicle and must
be returned to the dealership for service.
LOC (Locked): This message is displayed when the
®
THEFTLOCK
system has locked up. You must
return to the dealership for service.
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