GMC Sierra 2018 Owner's Manual page 193

192 Infotainment System
to the previous track. If longer
than five seconds, the current
track starts from the beginning.
Press and hold to fast reverse
through a track. Release the
button to return to playing
speed. Elapsed time displays.
: While on the CD main page:
Press to seek to the next track.
Press and hold to fast forward
through a track. Release the
button to return to playing
speed. Elapsed time displays.
/ : While on the CD main page,
press to pause. Press again to
resume.
Z Z
: Press to play the songs in
random order. Press again to
turn off.
®
If a Blu-ray Disc or DVD disc is
loaded into the disc player and the
CD screen button is selected, a
message comes on the screen to
use the Video application. The
Video application is only available
on vehicles with Rear Seat
Entertainment (RSE).
CD Menu
While on the CD main page, press
the MENU knob to display the CD
menu and the following may display:
Browse : Select to display the files
or songs on the CD.
Tone Settings : Select to adjust
Bass, Midrange, Treble, Balance,
Fade, and EQ (Equalizer). See
Tone Settings under AM-FM Radio
0 186.
Auto Volume : If equipped, this
feature adjusts the volume based on
the vehicle speed. Select the level
between Off, Low, Medium-Low,
Medium, Medium-High, and High.
Press BACK to go to the
previous menu.
DSP : If equipped, this feature
adjusts the pre-defined settings.
See DSP in AM-FM Radio 0 186.
EQ (Equalizer) : If equipped, this
feature adjusts the equalizer
settings. See EQ (Equalizer) in
AM-FM Radio 0 186.
Error Messages
If Disc Error displays and/or the disc
comes out, it could be for one of the
following reasons:
The disc has an invalid or
unknown format.
The disc is very hot. Try the disc
again when the temperature
returns to normal.
The road is very rough. Try the
disc again when the road is
smoother.
The disc is dirty, scratched, wet,
or upside down.
The air is very humid. Try the
disc again later.
There was a problem while
burning the disc.
The label is caught in the CD
player.
If Disc Player Error displays, it could
be for one of the following reasons:
The player temperature is
too high.
There are load or eject errors.