2008 GMC SIERRA Owner's Manual

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GMC SIERRA 2008  Owners Manual Your vehicle has one of these radios as its audio
system.
Radios with CD and DVD
Radios with CD and DVD have a Bose®Surround
Sound System. Some of its features are explained later
in this section und

Page 258 of 578

GMC SIERRA 2008  Owners Manual Radio Data System (RDS)
The audio system has a Radio Data System (RDS). The
RDS feature is available for use only on FM stations
that broadcast RDS information. This system relies upon
receiving speci

Page 259 of 578

GMC SIERRA 2008  Owners Manual To scan stations, press and hold either arrow for a
few seconds until a beep sounds. The radio goes to a
station, plays for a few seconds, then goes to the
next station.
For AM-FM Radio, the station f

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GMC SIERRA 2008  Owners Manual Press the FAV button to go through up to six pages of
favorites, each having six favorite stations available
per page. Each page of favorites can contain any
combination of AM, FM, or XM™ (if equipp

Page 261 of 578

GMC SIERRA 2008  Owners Manual Setting the Tone
(Bass/Midrange/Treble)
BASS/MID/TREB (Bass, Midrange, or Treble):To
adjust bass, midrange, or treble, press the
fknob until
the tone control labels display. Continue pressing to
highl

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GMC SIERRA 2008  Owners Manual To quickly adjust balance or fade to the middle position,
press the pushbutton positioned under the BAL or
FADE label for more than two seconds. A beep sounds
and the level adjusts to the middle posit

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GMC SIERRA 2008  Owners Manual Radio Messages
Calibration Error:The audio system has been
calibrated for your vehicle from the factory. If Calibration
Error displays, it means that the radio has not been
con�gured properly for your

Page 264 of 578

GMC SIERRA 2008  Owners Manual Insert a CD partway into the slot, label side up. The
player pulls it in and the CD should begin playing. If you
want to insert a CD with the ignition off, �rst press the
Zbutton or the DISP knob.
If