2007 GMC SIERRA Owner's Manual

Page 321 of 680

GMC SIERRA 2007  Owners Manual CD Messages
CHECK DISC:If this message displays and/or
the CD comes out, it could be for one of the
following reasons:
It is very hot. When the temperature returns to
normal, the CD should play.
You a

Page 322 of 680

GMC SIERRA 2007  Owners Manual O(Power/Volume):Turn this knob clockwise or
counterclockwise to increase or decrease the
volume of the portable player. Additional volume
adjustments might be needed from the portable
device if the vo

Page 323 of 680

GMC SIERRA 2007  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 324 of 680

GMC SIERRA 2007  Owners Manual Finding a Station
BAND:Press this button to switch between AM,
FM, or XM™ (if equipped). The display shows
the selection.
f(Tune):Turn this knob to select radio stations.
©SEEK¨:Press the left or

Page 325 of 680

GMC SIERRA 2007  Owners Manual FAV (Favorites):A maximum of 36 stations can
be programmed as favorites using the
six pushbuttons positioned below the radio station
frequency labels and by using the radio favorites
page button (FAV

Page 326 of 680

GMC SIERRA 2007  Owners Manual Setting the Tone
(Bass/Midrange/Treble)
BASS/MID/TREB (Bass, Midrange, or Treble):To
adjust bass, midrange, or treble, press the tune
knob until the tone control labels display. Continue
pressing to h

Page 327 of 680

GMC SIERRA 2007  Owners Manual Finding a Category (CAT) Station
CAT (Category):The CAT button is used to �nd
XM™ stations when the radio is in the XM™
mode. To �nd XM™ channels within a desired
category, perform the following

Page 328 of 680

GMC SIERRA 2007  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