GMC SIERRA DENALI 2002 Manual page 177

FWD 6 (Forward): Press and hold this pushbutton
to advance quickly through a track. Release it to
resume playing.
SEEK : Press the right SEEK arrow to go to the
next track on the CD. Press the left SEEK arrow to go
to the previous track on the CD. The sound will mute
while seeking.
P.SCAN (Preset Scan): Press this button to hear the
tracks in random, rather than sequential, order. DSC will
appear on the radio display, which will randomly play
the tracks on the current CD. Press this button again to
make the radio display ALL, which will randomly play
all of the loaded CDs. Press this button again to turn off
random play, OFF will appear on the radio display.
AM FM: Press AM FM to listen to the radio when a CD
is playing.
TAPE AUX: Press this button if you have a CD loaded
in the changer and the radio is turned on, to play a CD.
Press this button to switch between playing a tape and
the CD changer if both are loaded.
3-18
Compact Disc Changer Errors
ERR (Error): If this message appears on the display, it
could be for one of the following reasons:
D
You are driving on a very rough road. (The CD
should play when the road gets smoother.)
D
A CD is upside down.
D
It is dirty, scratched or wet.
D
It is very humid. (If so, wait about an hour and
try again.)
D
The CD player is very hot.
Press RECALL to make ERR turn off the display.
If any error occurs repeatedly or if an error cannot be
corrected, contact your dealer.