2012 GMC SIERRA 1500 key

Black plate (7,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Infotainment System 7-7
EQ (Equalization):Press this
button to choose bass and treble
equalization settings designed for
different types of music. Selecting
MANUAL, or changing bass or
treble, returns the EQ to the manual
bass and treble settings.
Unique EQ settings can be saved
for each source.
Setting the Tone (Bass/
Midrange/Treble) (All Except
AM-FM Radio and Radio
with CD)
BASS/MID/TREB (Bass, Midrange,
or Treble): To adjust the bass,
midrange, or treble:
1. Press the
fknob until the tone
control tabs display.
2. Highlight the desired tone 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.
If a station's frequency is weak or if
there is static, decrease the treble.
To quickly adjust bass, midrange,
or treble to the middle position,
press the softkey positioned under
the BASS, MID, or TREB tab for
more than two seconds. A beep
sounds and the level adjusts to the
middle position. To quickly adjust all tone and
speaker controls to the middle
position, press the
fknob for more
than two seconds until a beep
sounds.
EQ (Equalization): Press this
button to choose bass and treble
equalization settings designed for
different types of music. Selecting
MANUAL, or changing bass or
treble, returns the EQ to the manual
bass and treble settings.
Unique EQ settings can be saved
for each source.
If the radio has a Bose
®audio
system, the EQ settings are either
MANUAL or TALK.

Black plate (8,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
7-8 Infotainment System
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.
Radio Messages
Calibration Error: The audio
system has been calibrated
for the vehicle from the factory.
If Calibration Error displays, it
means that the radio has not been
configured properly for the vehicle
and it must be returned to your
dealer for service.
Locked or Loc: One of these
messages will display when the
THEFTLOCK
®system has locked
up the radio. Take the vehicle to
your dealer for service.
If any error occurs repeatedly or
if an error cannot be corrected,
contact your dealer.

Black plate (10,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
7-10 Infotainment System
Storing Radio Stations
Drivers are encouraged to store the
radio station while the vehicle is
parked; seeDefensive Driving on
page 9‑3. 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. 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.

Black plate (11,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Infotainment System 7-11
Satellite Radio
XM™Satellite Radio Service
XM is a satellite radio service based
in the 48 contiguous United States
and 10 Canadian provinces. XM
Satellite Radio has a wide variety of
programming and commercial-free
music, coast to coast, and in
digital-quality sound. A service
fee is required to receive the XM
service. If the service needs to be
reactivated, the radio will display
“No Subscription Please Renew
on channel XM1.” For more
information, contact XM at
www.xmradio.com or
1-800-929-2100 in the U.S.,
and www.xmradio.ca or
1-877-438-9677 in Canada.
4(Information) (XM Satellite Radio
Service): For vehicles with XM,
press
4to display additional text
information related to the current
XM channel. 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.
Finding a Channel
BAND:Press to switch between
AM, FM, or XM™, if equipped.
f(Tune): Turn to manually select
an XM channel.
©SEEK: Press to go to the
previous XM channel.
¨SEEK: Press to go to the next
XM channel.
sREV: Press to go to the
previous XM category.
\FWD: Press to go to the next
XM category.
FAV (Favorites): Press to select
different favorites pages for stored
radio stations.
CAT (Category): The CAT button is
used to find XM channels when the
radio is in the XM mode.
Finding a Category (CAT)
Station
To find XM channels in a category:
1. Press the CAT button to display the category tabs. Continue
pressing the CAT button until the
desired category name displays.
.Radios with CD and DVD
can also navigate the
category list by pressing the
\FWD or thesREV
buttons.
2. Press either of the two softkeys below the desired category tab
to immediately tune to the first
XM station in that category.
To go to the previous or next XM
station in the selected category,
do one of the following:
.Turn thefknob.
.Press the softkey below the
right or left arrows in the
category tab.
.Press©SEEK or¨SEEK.

Black plate (12,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
7-12 Infotainment System
3. To exit the category searchmode, press the FAV button or
BAND button to display the
favorites again.
Adding and Removing Categories
Categories cannot be added or
removed while the vehicle is moving
faster than 8 km/h (5 mph).
To add or remove a category:
1. Press the MENU button.
2. Press the softkey located below the XM CAT tab.
3. Turn the
fknob to display the
category to add or remove.
4. Press the softkey located under the Add or Remove tab.
To restore all removed
categories, press the softkey
under the Restore All tab.
5. Repeat the steps to remove more categories.
Storing XM Channels
Drivers are encouraged to store
XM channels while the vehicle is
parked; see Defensive Driving on
page 9‑3. 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.

Black plate (17,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Infotainment System 7-17
When a CD is inserted, the CD
symbol displays on the left side of
the radio display. As each new track
starts to play, the track number
displays.
The CD player can play the smaller
8 cm (3 in) single CDs with an
adapter ring. Full-size CDs and the
smaller CDs are loaded in the same
manner.
CD/AUX (CD/Auxiliary):Press to
cycle between CD or Auxiliary when
listening to the radio. The CD icon
and a message showing the disc
and/or track number will display
when a CD is in the player. Press
again and the system automatically
searches for an auxiliary input
device; see Auxiliary Devices on
page 7‑32 for more information.
If a portable audio player is not
connected, “No Input Device Found”
displays.
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 tracks on
the CD that is currently playing.
©SEEK: Press to go to the start
of the current track if more than
10 seconds on the CD have played.
Press to go to the previous track if
less than 10 seconds on the CD
have played.
Press and hold, or press multiple
times, to continue moving backward
through the tracks on the CD.
¨SEEK: Press to go to the next
track.
Press and hold, or press multiple
times, to continue moving forward
through the tracks on the CD.
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.

Black plate (18,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
7-18 Infotainment System
For the Radio with USB and
Six-Disc CD (MP3):
1. Press the softkey positionedunder 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.
CD‐R‐
or CD‐RW‐Supported File
and Folder Structure
The radio supports:
.Up to 50 folders.
.Up to 8 folders in depth.
.Up to 50 playlists.
.Up to 255 files.
.Playlists with an .m3u or .wpl
extension.
.Files with an .mp3, .wma, or .cda
file extension.
Root Directory
The root directory is treated as a
folder. Files are stored in the root
directory when the disc or storage
device does not contain folders.
Files accessed from the root
directory of a CD display as
F1 ROOT.
Empty Folder
Folders that do not contain files are
skipped, and the player advances to
the next folder that contains files.
Order of Play
Compressed audio files are
accessed in the following order:
.Playlists (Px).
.Files stored in the root directory.
.Files stored in folders in the root
directory.

Black plate (19,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Infotainment System 7-19
Tracks are played in the following
order:
.Play begins from the first track in
the first playlist and continues
sequentially through all tracks
in each playlist. When the last
track of the last playlist has
played, play continues from the
first track of the first playlist.
.Play begins from the first track
in the first folder and continues
sequentially through all tracks in
each folder. When the last track
of the last folder has played,
play continues from the first
track of the first folder.
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. The display does not
show parts of words on the last
page of text and the extension of
the file name is not displayed.
Preprogrammed Playlists
CDs that have preprogrammed
playlists reated using WinAmp™,
MusicMatch™, or Real Jukebox™
software can be accessed; however,
there is no playlist‐editing capability
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.
Playlists can be changed by
using the softkeys below
the
S
candc Ttabs,
the
fknob, 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.