2003 GMC SONOMA Owner's Manual

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GMC SONOMA 2003  Owners Manual Setting the Tone (Bass/Treble)
AUDIO:Press and release the AUDIO knob until BASS
or TREB appears on the display. Turn the knob to
increase or to decrease. The display will show the bass
or treble leve

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GMC SONOMA 2003  Owners Manual Using RDS
Your audio system is equipped with a Radio Data
System (RDS). RDS features are available for use only
on FM stations that broadcast RDS information.
Using this system, the radio can do the f

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GMC SONOMA 2003  Owners Manual AM FM (Alternate Frequency):Alternate frequency
allows the radio to switch to a stronger station with the
same program type. Press and hold AM FM for two
seconds to turn alternate frequency on. AF ON

Page 180 of 424

GMC SONOMA 2003  Owners Manual When a traffic announcement comes on the current
station or on a related network station, you will hear it,
even if the volume is muted or a compact disc is
playing. The traffic symbol and TRAF will a

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GMC SONOMA 2003  Owners Manual it will go to the beginning of the previous selection or
the beginning of the current selection, depending upon
the position on the tape. If pressed when the current
selection has been playing for mor

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GMC SONOMA 2003  Owners Manual Cassette Tape Messages
CHK TAPE (Check Tape):If CHK TAPE appears on
the radio display, the tape won’t play because of one of
the following errors.
The tape is tight and the player can’t turn the

Page 183 of 424

GMC SONOMA 2003  Owners Manual 3 REV (Reverse):Press and hold this pushbutton to
reverse quickly within a track. Press and hold this
pushbutton for less than two seconds to reverse at six
times the normal playing speed. Press and h

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GMC SONOMA 2003  Owners Manual Compact Disc Messages
If the disc comes out, it could be for one of the following
reasons:
You’re driving on a very rough road. When the road
becomes smoother the disc should play.
It’s very hot