
Black plate (7,1)GMC Sierra Owner Manual - 2011
Infotainment System 7-7
Adjusting the Speakers
(Balance/Fade) (AM-FM Radio
and AM-FM Radio with CD)
To adjust the balance or fade:
1. Press
`or press thefknob
until the speaker control label
displays.
2. To adjust the setting, do one of the following:
.Turn thefknob.
.Press either¨SEEK,
or
©SEEK.
.Press either\FWD,
or
sREV.
Adjusting the Speakers
(Balance/Fade) (All Except
AM-FM Radio and Radio
with CD)
BAL/FADE (Balance/Fade): To
adjust the balance or fade:
1. Press the
fknob until the
speaker control tabs display.
2. Highlight the desired speaker control tab by doing one of the
following:
.Press thefknob.
.Press the softkey under the
desired tab. 3. Adjust the setting by doing one
of the following:
.Turn thefknob clockwise
or counterclockwise.
.Press the¨SEEK,
or
©SEEK.
.Press the\FWD,
or
sREV.
To quickly adjust all speaker and
tone controls to the middle position,
press the
fknob for more than
two seconds.
If the Rear Seat Audio (RSA) is
turned on, the radio disables FADE
and mutes the rear speakers.

Black plate (9,1)GMC Sierra Owner Manual - 2011
Infotainment System 7-9
¨SEEK:Press to seek the next
radio station. Press and hold for a
few seconds until a beep sounds to
scan for radio stations in ascending
order; press the
©SEEK button
again to stop scanning radio
stations. The radio only seeks and
scans stations with a strong signal
that are in the selected band.
For the AM-FM Radio, press and
hold the
¨SEEK for four seconds
until a double beep sounds to scan
the preset stations. The station
frequency flashes while the radio
is in the scan mode.
sREV: Press to manually tune to
a radio station in descending order.
\FWD: Press to manually tune to
a radio station in ascending order.
FAV (Favorites): Press to select
different favorites pages for stored
radio stations.
Storing Radio Stations
Drivers are encouraged to store
the radio station while the vehicle
is parked; see Defensive Driving on
page 9‑2. Tune to stored radio
stations using the presets, favorites
button, and steering wheel controls,
if the vehicle has this feature.
Radios that have a FAV button
store radio stations as favorites. Up
to 36 stations can be programmed
as favorites using the six softkeys
below the radio station frequency
tabs and by using the FAV button.
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 equipped, stations.
Radios that do not have a
FAV button store radio stations
as presets. Up to 18 stations
(6 FM1, 6 FM2, and 6 AM), can
be programmed on the six
numbered pushbuttons. Setting Preset Stations
To store presets:
1. Tune to a radio station.
2. Press and hold one of the
six numbered pushbuttons for
three seconds until a beep
sounds.
3. Repeat Steps 1 and 2 to store additional radio stations.
Storing a Radio Station as a
Favorite
To store a station as a favorite:
1. Tune to a radio station.
2. Press the FAV button to display the page where the station will
be stored.
3. Press and hold one of the six softkeys until a beep sounds.
4. Repeat Steps 1 through 3 to store additional radio stations.

Black plate (12,1)GMC Sierra Owner Manual - 2011
7-12 Infotainment System
Storing XM Channels
Drivers are encouraged to store
XM channels while the vehicle is
parked; seeDefensive Driving on
page 9‑2. Tune to stored radio
stations using the presets, favorites
button, and steering wheel controls,
if the vehicle has this feature.
Up to 36 stations can be
programmed as favorites using
the six softkeys below the radio
station frequency tabs and by
using the FAV button. 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 equipped, stations.
Storing an XM Channel as a
Favorite
To store a station as a favorite:
1. Tune to an XM channel.
2. Press the FAV button to display the page where the station will
be stored. 3. Press and hold one of the six
softkeys until a beep sounds.
4. Repeat Steps 1 through 3 to store additional radio stations.
The number of favorites pages can
be set up using the MENU button.
To set up the number of favorites
pages:
1. Press the MENU button.
2. Press the softkey located below the FAV 1-6 tab.
3. Select the number of favorites pages by pressing the softkey
located below the displayed
page numbers.
4. Press the FAV button, or let the menu time out, to return to
the original main radio screen
showing the radio station
frequency tabs and to begin
the process of programming
favorites.
XM Radio Messages
XL (Explicit Language
Channels): These channels,
or any others, can be blocked at
a customer's request, by calling
1-800-929-2100 in the U.S. and
1-877-438-9677 in Canada.
XM Updating: The encryption
code in the receiver is being
updated, and no action is required.
This process should take no longer
than 30 seconds.
No XM Signal: The system is
functioning correctly, but the vehicle
is in a location that is blocking the
XM signal. When the vehicle is
moved into an open area, the
signal should return.
Loading XM: The audio system is
acquiring and processing audio and
text data. No action is needed. This
message should disappear shortly.
Channel Off Air: This channel is
not currently in service. Tune in to
another channel.

Black plate (32,1)GMC Sierra Owner Manual - 2011
7-32 Infotainment System
If the DVD still does not play,
refer to the on-screen instructions,
if available.
c(Stop):Press to stop playing,
rewinding, or fast forwarding a DVD.
r(Enter): Press to select the
choices that are highlighted in
any menu.
y(Menu): Press to access
the DVD menu. The DVD menu
is different on every DVD. Use
the softkeys located under the
navigation arrows to navigate the
cursor through the DVD menu.
After making a selection press this
button. This button only operates
when using a DVD.
Nav (Navigate): Press to display
directional arrows for navigating
through the menus.
q(Return): Press to exit the
current active menu and return to
the previous menu. This button
operates only when a DVD is
playing and a menu is active.
The rear seat passenger can
navigate the DVD-V and DVD-A
menus and controls through the
remote control. See “Remote
Control” underRear Seat
Entertainment (RSE) System on
page 7‑39 for more information.
The video screen automatically
turns on when the DVD-V is
inserted into the DVD slot, and
does not automatically power on
when the DVD-A is inserted into
the DVD slot. It must be manually
turned on by the rear seat occupant
through the remote control power
button. Using Softkeys to Play a DVD-A
(Audio)
Once a DVD-A is inserted, the
radio display menu shows several
tab options for playback. Press the
softkey located under any tab option
during DVD-A playback.
r/j(Play/Pause):
Press either
the play or pause icon 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.
qGroupr: Press to cycle
through musical groupings on
the DVD-A disc.
Nav (Navigate): Press to display
directional arrows for navigating
through the menus.

Black plate (33,1)GMC Sierra Owner Manual - 2011
Infotainment System 7-33
e(Audio Stream):Press to cycle
through audio stream formats
located on the DVD-A disc.
The video screen shows the
audio stream changing.
The rear seat passenger can
navigate the DVD-V and DVD-A
menus and controls through the
remote control. See “Remote
Control” underRear Seat
Entertainment (RSE) System on
page 7‑39 for more information.
The video screen automatically
turns on when the DVD-V is
inserted into the DVD slot, and
does not automatically power on
when the DVD-A is inserted into
the DVD slot. It must be manually
turned on by the rear seat occupant
through the remote control power
button.Stopping and Resuming
Playback
To stop playing a DVD without
turning off the system, press
the
cbutton on the remote control,
or press the softkey located under
the
cor ther/jtabs displayed
on the radio. If the radio is sourced
to something other than DVD-V,
press the DVD/CD AUX button to
make DVD-V the active source.
To resume DVD playback, press the
r/jbutton on the remote control,
or press the softkey located under
the
r/jtab on the radio. The DVD
should resume play from where it
last stopped if the disc has not been
ejected and the stop button has not
been pressed twice on the remote
control. If the disc has been ejected
or the stop button has been pressed
twice on the remote control, the disc
resumes playing at the beginning of
the disc.
CD/DVD Player Messages
Disc Format Error: This message
displays if the disc is inserted with
the disc label wrong side up, or if
the disc is damaged.
Disc Region Error: This message
displays if the disc is not from a
correct region.
No Disc Inserted: This message
displays if no disc is present when
the
Zor DVD/CD AUX button is
pressed on the radio.
Optical Error: This message
displays if the disc was inserted
upside down.
Disk Read Error: This message
displays if a disc was inserted with
an invalid or unknown format.

Black plate (49,1)GMC Sierra Owner Manual - 2011
Infotainment System 7-49
P(Power):Press this button to
turn the RSA on or off.
Volume: Turn the volume knob to
increase or decrease the volume
of the wired headphones. The left
knob controls the left headphones
and the right knob controls the right
headphones.
SRCE (Source): Press this
button to switch between the radio
(AM‐FM), XM™ (if equipped),
CD, and if the vehicle has these
features, DVD, front auxiliary, and
rear auxiliary.
© ¨(Seek): When listening to FM,
AM, or XM™ (if equipped), press
the seek arrows to go to the
previous or to the next station
or channels and stay there. This function is inactive, with some
radios, if the front seat passengers
are listening to the radio.
Press and hold either seek arrow
until the display flashes, to tune to
an individual station. The display
stops flashing after the buttons
have not been pushed for more
than two seconds. This function is
inactive, with some radios, if the
front seat passengers are listening
to the radio.
While listening to a disc, press the
left seek arrow to go back to the
start of the current track or chapter
(if more than 10 seconds have
played). Press the right seek arrow
to go the next track or chapter on
the disc. This function is inactive,
with some radios, if the front seat
passengers are listening to the disc.
While a DVD video menu is being
displayed, press either seek arrow
to perform a cursor up or down on
the menu. Hold either seek arrow
to perform a cursor left or right on
the menu.PROG (Program):
Press this
button to go to the next preset
radio station or channel set on the
main radio. This function is inactive,
with some radios, if the front seat
passengers are listening to the
radio.
While a CD or DVD‐A disc is
playing, press this button to go to
the beginning of the CD or DVD‐A.
This function is inactive, with some
radios, if the front seat passengers
are listening to the CD or DVD‐A.
While a disc is playing in the CD or
DVD changer, press this button to
select the next disc, if multiple discs
are loaded. This function is inactive,
with some radios, if the front seat
passengers are listening to the disc.
While a DVD video menu is being
displayed, press the PROG button
to perform the menu function, Enter.