
Black plate (18,1)GMC Sierra Owner Manual - 2011
7-18 Infotainment System
sREV (Fast Reverse):Press
and hold to reverse playback quickly
within a track.
\FWD (Fast Forward): Press
and hold to advance playback
quickly within a track.
RPT (Repeat): For the AM-FM
Radio with CD, press and release
the RPT button to repeat the current
track. Press RPT again to turn off
repeat play.
RDM (Random): Press to listen
to tracks in random, rather than
sequential order. To use random,
do one of the following:
For the AM-FM Radio with CD:
1. Press the RDM button until the random icon displays.
2. Press the RDM button again until the random icon disappears
from the display. For the Radio with CD (MP3) and
Radio with USB and CD (MP3):
1. Press the softkey positioned
under the RDM tab until Random
Current Disc displays.
2. Press the softkey again to turn off random play.
For the Radio with USB and
Six-Disc CD (MP3):
1. Press the softkey positioned under the RDM tab until
Randomize All Discs displays
to play tracks from all CDs
loaded in random order.
2. Press the softkey positioned under the RDM tab until Random
Current Disc displays to play
tracks from a single CD in
random order.
3. Press the same softkey again to turn off random play.
MP3‐Supported Files
The Radio with CD (MP3), Radio
with USB and CD (MP3), and Radio
with USB and Six-Disc CD (MP3)
have the capability of playing an
MP3 CD-R or CD-RW disc.
Format
Radios that have the capability of
playing MP3s can play .mp3 or .wma
files that were recorded onto a
CD-R or CD-RW disc. The files can
be recorded with the following fixed
bit rates: 32 kbps, 40 kbps, 56 kbps,
64 kbps, 80 kbps, 96 kbps, 112 kbps,
128 kbps, 160 kbps, 192 kbps,
224 kbps, 256 kbps, and 320 kbps
or a variable bit rate.
Compressed Audio or Mixed Mode
Discs
The radio can play discs that
contain both uncompressed CD
audio and MP3 files. If both formats
are on the disc, the radio reads
all MP3 files first, then the
uncompressed CD audio files.

Black plate (20,1)GMC Sierra Owner Manual - 2011
7-20 Infotainment System
Playlists that have an .m3u or .pls
file extension and are stored on a
USB device may be supported by
the radio with a USB port.
Playlists can be changed by using
the softkeys below the
Sc
andc Ttabs, thefknob,
the
©SEEK button, or the¨SEEK
button. An MP3 CD-R or CD-RW
that has been recorded without
using file folders can be played.
If a CD-R or CD-RW contains more
than the maximum of 50 folders,
15 playlists, and 512 folders and
files, the player allows access and
navigates up to the maximum, but
all items over the maximum are not
accessible.
Playing an MP3
4(Information): Press to
display additional text information
related to the current song.
If information is available, the
song title information displays
on the top line of the display and
artist information displays on the
bottom line. When information is
not available, “NO INFO”displays.
f(Tune):Turn to select MP3s on
the CD currently playing.
©SEEK: Press to go to the start of
the track, if more than 10 seconds
have played. Press and hold or
press multiple times to continue
moving backward through tracks.
¨SEEK: Press to go to the next
track. Press and hold or press
multiple times to continue moving
forward through tracks.
sREV (Reverse): Press and hold
to reverse playback quickly. Sound
is heard at a reduced volume and
the elapsed time of the file displays.
Release
sREV to resume playing.
\FWD (Fast Forward): Press
and hold to advance playback
quickly. Sound is heard at a reduced
volume and the elapsed time of the
file displays. Release
\FWD to
resume playing. The elapsed time
of the file displays.
S c(Previous Folder): Press
the softkey below the
S ctab to
go to the first track in the previous
folder.
c T(Next Folder): Press the
softkey below the
c Ttab to go
to the first track in the next folder.

Black plate (21,1)GMC Sierra Owner Manual - 2011
Infotainment System 7-21
RDM (Random):Press to listen
to tracks in random, rather than
sequential order. To use random,
do one of the following:
For the Radio with CD (MP3) and
Radio with USB and CD (MP3):
1. Press the softkey positioned
under the RDM tab until Random
Current Disc displays.
2. Press the softkey again to turn off random play.
For the Radio with USB and
Six-Disc CD (MP3):
1. Press the softkey positioned under the RDM tab until
Randomize All Discs displays to
play tracks from all CDs loaded
in random order.
2. Press the softkey positioned under the RDM tab until Random
Current Disc displays to play
tracks from a single CD in
random order.
3. Press the same softkey again to turn off random play.h(Music Navigator): Press the
softkey below the
htab to play
the files in order by artist or album.
The player scans the disc to sort
the files by artist and album ID3 tag
information. It can take several
minutes to scan the disc depending
on the number of files on the disc.
The radio may begin playing while
it is scanning in the background.
When the scan is finished, the disc
begins playing files in order by
artist. The current artist playing is
shown on the second line of the
display. Once all songs by that artist
are played, the player moves to the
next artist in alphabetical order and
begins playing files by that artist.
To listen to files by another artist,
press the softkey located below
either arrow tab. The disc goes
to the next or previous artist in
alphabetical order. Continue
pressing either softkey below
the arrow tab until the desired
artist displays. To change from playback by artist to
playback by album:
1. Press the softkey located below
the Sort By tab.
2. Press one of the softkeys below the Album tab from the sort
screen.
3. Press the softkey below the Back tab to return to the main
music navigator screen.
The album name displays on the
second line between the arrows,
and songs from the current album
begin to play. Once all songs from
that album have played, the player
moves to the next album in
alphabetical order on the CD and
begins playing MP3s from that
album.
To exit music navigator mode, press
the softkey below the Back tab to
return to normal MP3 playback.

Black plate (26,1)GMC Sierra Owner Manual - 2011
7-26 Infotainment System
sREV (Fast Reverse):Press
and hold to reverse playback quickly
within a track.
\FWD (Fast Forward): Press
and hold to advance playback
quickly within a track.
RDM (Random): Press to listen
to tracks in random, rather than
sequential order. To use random:
1. Press the softkey under the RDM tab until Random Current
Disc displays.
2. Press the softkey again to turn off random play.
MP3 and WMA Supported Files
Format
The radio can play .mp3 or .wma
files that were recorded onto a
CD-R or CD-RW disc.
Compressed Audio or Mixed Mode
Discs
The radio plays discs that contain
both uncompressed CD audio and
MP3/WMA files depending on which
slot the disc is loaded into.
The DVD player only reads
uncompressed audio and ignores
MP3/WMA files on a mixed
mode disc.
The CD player reads both
uncompressed audio and
MP3/WMA files on a mixed mode
disc. Uncompressd audio is played
before MP3/WMA files. Press the
CAT (category) button to toggle
between uncompressed audio
and MP3/WMA files. CD‐R or CD‐RW Supported File
and Folder Structure
The DVD player supports:
.Up to 255 folders.
.Up to 8 folders in depth.
.Up to 15 playlists.
.Up to 40 sessions.
.Playlists with an .m3u or
.wpl extension.
.Files with an .mp3, .wma, or
.cda file extension.
The CD player supports:
.Up to 512 files and folders.
.Up to 8 folders in depth.
.Playlists with an .m3u or
.wpl extension.
.Files with an .mp3, .wma, or
.cda file extension.

Black plate (28,1)GMC Sierra Owner Manual - 2011
7-28 Infotainment System
File System and Naming
The song name that displays is the
song name that is contained in the
ID3 tag. If the song name is not
present in the ID3 tag, then the
radio displays the file name without
the extension (such as .mp3) as the
track name.
Track names longer than
32 characters or 4 pages are
shortened. Parts of words on the
last page of text and the extension
of the file name do not display.
Preprogrammed Playlists
Preprogrammed playlists that
were created using WinAmp™,
MusicMatch™, or Real Jukebox™
software can be accessed; however,
they cannot be edited using the
radio. These playlists are treated
as special folders containing
compressed audio song files.
Playlists that have an .m3u or .pls
file extension and are stored on a
USB device may be supported by
the radio with a USB port.Playing an MP3 or WMA
(in Either the DVD or CD Slot)
If a disc is inserted into the top DVD
slot, the rear seat operator can turn
on the video screen and use the
remote control to navigate the CD
(tracks only).
f(Tune):Turn to select MP3/WMA
files.
©SEEK: Press to go to the start of
the track, if more than five seconds
have played. Press and hold or
press multiple times, if less than
five seconds have played, to
continue moving backward
through tracks.
¨SEEK: Press to go to the next
track.
Press and hold, or press multiple
times, to continue moving forward
through tracks.
sREV (Reverse): Press and hold
to reverse playback quickly.
\FWD (Fast Forward): Press
and hold to advance playback
quickly.
S c(Previous Folder): Press
the softkey below the
S ctab to
go to the first track in the previous
folder.
c T(Next Folder): Press the
softkey below the
c Ttab to go
to the first track in the next folder.
RDM (Random): Press to listen
to tracks in random, rather than
sequential order.
To use random:
1. Press the softkey under the RDM tab until Random Current
Disc displays
2. Press the same softkey again to turn off random play.
h(Music Navigator): Press the
softkey below the
htab to play
files in order by artist or album.

Black plate (29,1)GMC Sierra Owner Manual - 2011
Infotainment System 7-29
The player scans the disc to sort
the files by artist and album ID3 tag
information. It can take several
minutes to scan the disc depending
on the number of files on the disc.
The radio may begin playing while
it is scanning in the background.
When the scan is finished, the disc
begins playing files in order by
artist. The current artist playing is
shown on the second line of the
display. Once all songs by that artist
are played, the player moves to the
next artist in alphabetical order and
begins playing files by that artist.
To listen to files by another artist,
press the softkey located below
either arrow tab. The disc goes
to the next or previous artist in
alphabetical order. Continue
pressing either softkey below the
arrow tab until the artist displays.To change from playback by artist to
playback by album:
1. Press the softkey below the Sort
By tab.
2. Press one of the softkeys below the Album tab from the sort
screen.
3. Press the softkey below the Back tab to return to the main
music navigator screen.
The album name displays on the
second line between the arrows,
and songs from the current album
begin to play. Once all songs from
that album have played, the player
moves to the next album in
alphabetical order on the CD and
begins playing MP3 files from that
album.
To exit music navigator mode, press
the softkey below the Back tab to
return to normal MP3 playback.Using the DVD Player
The DVD player can be controlled
by the buttons on the remote
control, the RSA system, or by
the buttons on the radio faceplate.
See “Remote Control” underRear
Seat Entertainment (RSE) System
on page 7‑39 andRear Seat Audio
(RSA) System on page 7‑48 for
more information.
The DVD player is only compatible
with DVDs of the appropriate region
code printed on the jacket of
most DVDs.
The DVD slot of the radio is
compatible with most audio
CDs and CD-R/RW, DVD-Video,
DVD-Audio, DVD-R/RW, and
DVD+R/RW media, along with
MP3 and WMA formats.
If an error message displays on the
video screen or the radio, see “DVD
Display Error Messages” under,
Rear Seat Entertainment (RSE)
System on page 7‑39, and “CD/DVD
Player Messages” later in this
section for more information.

Black plate (30,1)GMC Sierra Owner Manual - 2011
7-30 Infotainment System
Inserting a Disc
Insert a disc partway into the
top slot, label side up. The player
pulls it in and the disc should begin
playing.“Loading Disc” shows on
the radio display. At the same time,
the radio displays a softkey menu of
option(s). Some discs automatically
play the movie while others default
to the softkey menu display,
which requires the Play, Enter,
or Navigation softkeys to be
pressed, either by softkey or by
the rear seat passenger using
the remote control.
Loading a disc into the system,
depending on media type and
format, ranges from 5 to 20 seconds
for a CD, and up to 30 seconds for
a DVD.
Ejecting a Disc
ZDVD (Eject): Press and
release to eject the disc currently
playing in the top slot. A beep
sounds and Ejecting Disc displays.
If loading and reading of a disc
cannot be completed, due to
unknown format, etc., and the
disc fails to eject, press and hold
for more than five seconds to
force the disc to eject.
Playing a DVD
DVD/CD AUX (Auxiliary): Press
to cycle through DVD, CD,
or Auxiliary when listening to the
radio. The DVD/CD text tab and
a message showing the track or
chapter number will display when
a disc is in either slot. Press the
DVD/CD AUX button again and
the system automatically searches
for an auxiliary input device; see
Auxiliary Devices on page 7‑34 formore information. If a portable audio
player is not connected,
“No Aux
Input Device” displays. If a disc is
in both the DVD slot and the CD
slot, the DVD/CD AUX button cycles
between the two sources and does
not indicate “No Aux Input Device.”
If a front auxiliary device is
connected, the DVD/CD AUX
button cycles through all available
options, such as: DVD slot, CD slot,
front auxiliary, and rear auxiliary
(if available). See “Using the
Auxiliary Input Jack” inAuxiliary
Devices on page 7‑34 or“Audio/
Video (A/V) Jacks” underRear Seat
Entertainment (RSE) System on
page 7‑39 for more information.
If a disc is inserted into the top DVD
slot, the rear seat operator can turn
on the video screen and use the
remote control to navigate the CD
(tracks only) through the remote
control.

Black plate (31,1)GMC Sierra Owner Manual - 2011
Infotainment System 7-31
O(Power):Press to turn the
radio on or off. Turn clockwise or
counterclockwise to increase or
decrease the volume. Press and
hold for more than two seconds to
turn off the entire radio and Rear
Seat Entertainment (RSE) system
and to start the Parental Control
feature. Parental Control prevents
the rear seat occupant from
operating the Rear Seat Audio
(RSA) system or remote control.
A lock symbol displays next to the
clock display. The Parental Control
feature remains on until the knob
is pressed and held for more than
two seconds again, or until the
driver turns the ignition off and
exits the vehicle.
f(Tune): Turn to select tracks on
a CD or DVD.
©SEEK: Press to return to the
start of the current track or chapter.
Press again to go to the previous
track or chapter. This button might
not work when the DVD is playing
the copyright information or the
previews.
¨SEEK: Press to go to the next
track or chapter. This button might
not work when the DVD is playing
the copyright information or the
previews.
sREV (Fast Reverse): Press
to quickly reverse the CD or DVD
at five times the normal speed.
To stop fast reversing, press again.
This button might not work when
the DVD is playing the copyright
information or the previews.
\FWD (Fast Forward): Press
to fast forward the CD or DVD at
five times the normal speed. To stop
fast forwarding, press again. This
button might not work when the
DVD is playing the copyright
information or the previews. Using Softkeys to Play a DVD-V
(Video)
Once a DVD-V is inserted, the
radio display menu shows several
tab options for playback. Press the
softkey located under any tab option
during DVD-V playback.
r/j(Play/Pause):
Press either
the Play or Pause tab displayed on
the radio, to toggle between pausing
or restarting playback of a DVD.
If the forward arrow is showing on
the display, the system is in pause
mode. If the Pause tab is showing
on the display, the system is in
playback mode. If the DVD screen
is off, press the play button to turn
the screen on.
Some DVDs begin playing after the
previews have finished, although
there could be a delay of up to
30 seconds. If the DVD does
not begin playing the movie
automatically, press the softkey
located under the play/pause
symbol tag displayed on the radio.