
Black plate (25,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
Instruments and Controls 5-25
If the vehicle is a hybrid, see the
hybrid supplement for more
information.
Four-Wheel-Drive Light
For vehicles equipped with the
four-wheel-drive light, it comes on
when a vehicle with a manual
transfer case is shifted into
four-wheel drive and the front axle
engages.
Some delay between the shifting
and the light coming on is normal.
SeeFour-Wheel Drive on page 9‑38
for more information.
Tow/Haul Mode Light
For vehicles with the Tow/Haul
Mode feature, this light comes on
when the Tow/Haul Mode has been
activated.
For more information, see Tow/Haul
Mode on page 9‑37.
StabiliTrak®OFF Light
This light comes on briefly while
starting the engine. If it does not, have the vehicle
serviced by your dealer. If the
system is working normally, the
indicator light then goes off.
Press and release the Traction
Control System (TCS)/StabiliTrak
button to turn off TCS, and a
message displays in the DIC.
Press and briefly hold the TCS/
StabiliTrak button to turn off the
StabiliTrak system; the StabiliTrak
Off light comes on and a message
appears in the Driver Information
Center (DIC).
If the StabiliTrak/TCS system is off,
the system does not assist in
controlling the vehicle. Turn on the
StabiliTrak/TCS system and the
indicator light turns off.
See
StabiliTrak
®System on
page 9‑53, and Ride Control System
Messages on page 5‑42 for more
information.

Black plate (29,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
Instruments and Controls 5-29
The DIC has different displays
which can be accessed by pressing
the DIC buttons located on the
instrument panel, next to the
steering wheel. If the vehicle does
not have DIC buttons, the trip
odometer reset stem can be used to
access some of the menu items.
The DIC displays trip, fuel, and
vehicle system information, and
warning messages if a system
problem is detected.
The DIC also allows some features
to be customized. SeeVehicle
Personalization (With DIC Buttons)
on page 5‑46 for more information.
If the vehicle has a diesel engine,
see the Duramax
®diesel
supplement for more information.
DIC Buttons
The buttons are the trip/fuel, vehicle
information, customization, and set/
reset buttons. The button functions
are detailed in the following pages.
3(Trip/Fuel): Press this button
to display the odometer, trip
odometer, fuel range, average
economy, fuel used, timer,
transmission temperature, and
instantaneous economy and Active
Fuel Management™ indicator. The
compass and outside temperature
will also be shown in the display. The temperature will be shown
in °C or °F depending on the units
selected.
T(Vehicle Information):
Press
this button to display the oil life,
units, tire pressure readings for
vehicles with the Tire Pressure
Monitor System (TPMS), trailer
brake gain and output information
for vehicles with the Integrated
Trailer Brake Control (ITBC) system,
engine hours, compass zone
setting, and compass recalibration.
U(Customization): Press this
button to customize the feature
settings on the vehicle. See Vehicle
Personalization (With DIC Buttons)
on page 5‑46 for more information.
V(Set/Reset):Press this button to
set or reset certain functions and to
turn off or acknowledge messages
on the DIC.

Black plate (42,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
5-42 Instruments and Controls
SERVICE PARK ASSIST
This message displays if there is a
problem with the Ultrasonic Rear
Parking Assist (URPA) system. Do
not use this system to help you
park. SeeUltrasonic Parking Assist
on page 9‑59 for more information.
See your dealer for service.
Ride Control System
Messages
SERVICE STABILITRAK
If the vehicle has StabiliTrak and
this message displays, it means
there may be a problem with the
StabiliTrak system. If you see this
message, try to reset the system.
Stop; turn off the engine for at least
15 seconds; then start the engine
again. If this message still comes
on, it means there is a problem. You
should see your dealer for service.
The vehicle is safe to drive;
however, you do not have the
benefit of StabiliTrak, so reduce
your speed and drive accordingly.
SERVICE TRACTION
CONTROL
If the vehicle has StabiliTrak, this
message displays when there is a
problem with the Traction Control
System (TCS). When this message
displays, the system will not limit
wheel spin. Adjust your driving
accordingly. See your dealer for
service. See StabiliTrak
®System on
page 9‑53 for more information.
STABILITRAK INITIALIZING
If the vehicle has StabiliTrak, this
message may come on if the
StabiliTrak system has not fully
initialized because of road
conditions or the incorrect tire size.
When the StabiliTrak system is fully
initialized, the message will turn off.
SeeStabiliTrak
®System on
page 9‑53 for more information.
If this message continues to be
displayed for multiple ignition cycles
and on different road surfaces, see
your dealer for service.
TRACTION XX
STABILITRAK XX
This message displays when the
traction control and/or StabiliTrak
systems have been turned on or off.
Adjust your driving accordingly. To
limit wheel spin and realize the full
benefits of the stability
enhancement system, you should
normally leave StabiliTrak on.
However, you should turn
StabiliTrak off if the vehicle gets
stuck in sand, mud, ice, or snow
and you want to rock the vehicle to
attempt to free it, or if you are
driving in extreme off-road
conditions and require more wheel
spin. See If the Vehicle Is Stuck on
page 9‑14. To turn the StabiliTrak
system on or off, see StabiliTrak
®
System on page 9‑53.
STABILITRAK OFF may also
display when the stability control
has been automatically disabled.
There are several conditions that
can cause this message to appear.

Black plate (45,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
Instruments and Controls 5-45
SERVICE 4 WHEEL DRIVE
If the vehicle has four-wheel drive,
this message may display if a
problem occurs with the
four-wheel-drive system. If this
message appears, stop as soon as
possible and turn off the vehicle.
Make sure the key is in the LOCK/
OFF position for at least one minute
and then restart the vehicle and
check for the message on the DIC
display. If the message is still
displayed or appears again when
you begin driving, the
four-wheel-drive system needs
service. See your dealer.
TRANSMISSION HOT IDLE
ENGINE
Notice:Do not drive the vehicle
while the transmission fluid is
overheating and the transmission
temperature warning is displayed
on the instrument cluster and/or
DIC, or the transmission can be
damaged. This could lead to
costly repairs that would not be
covered by the warranty. This message displays and a chime
may sound if the transmission fluid
in the vehicle gets hot. Driving with
the transmission fluid temperature
high can cause damage to the
vehicle. Stop the vehicle and let it
idle to allow the transmission to
cool. This message clears and the
chime stops when the fluid
temperature reaches a safe level.
Vehicle Reminder
Messages
CHECK TRAILER WIRING
On vehicles with the Integrated
Trailer Brake Control (ITBC) system,
this message may display and a
chime may sound when one of the
following conditions exists:
.A trailer with electric brakes
becomes disconnected from the
vehicle.
‐
If the disconnect occurs while
the vehicle is stopped, this
message clears itself after a
short time. ‐
If the disconnect occurs while
the vehicle is moving, this
message stays on until the
ignition is turned off.
.There is a short in the wiring to
the electric trailer brakes.
When this message displays, power
is no longer available to the trailer
brakes.
As soon as it is safe to do so,
carefully pull the vehicle over to the
side of the road and turn the ignition
off. Check the wiring connection to
the trailer and turn the ignition back
on. This message clears if the trailer
is reconnected. This message also
clears if you acknowledge it. If this
message still displays, either the
vehicle or the trailer needs service.
See your dealer.
See “Integrated Trailer Brake
Control System” underTowing
Equipment on page 9‑89 for more
information.

Black plate (1,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
Lighting 6-1
Lighting
Exterior Lighting
Exterior Lamp Controls . . . . . . . . 6-1
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . . 6-2
Headlamp High/Low-Beam Changer . . . . . . . . . . . . . . . . . . . . . 6-2
Flash-to-Pass . . . . . . . . . . . . . . . . . 6-3
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . 6-3
Automatic Headlamp System . . . . . . . . . . . . . . . . . . . . . . 6-3
Hazard Warning Flashers . . . . . 6-5
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . 6-5
Fog Lamps . . . . . . . . . . . . . . . . . . . . 6-6
Auxiliary Roof-Mounted Lamp . . . . . . . . . 6-6
Interior Lighting
Instrument Panel IlluminationControl . . . . . . . . . . . . . . . . . . . . . . 6-7
Cargo Lamp . . . . . . . . . . . . . . . . . . 6-7
Dome Lamps . . . . . . . . . . . . . . . . . 6-7
Reading Lamps . . . . . . . . . . . . . . . 6-8
Lighting Features
Entry Lighting . . . . . . . . . . . . . . . . . 6-8
Exit Lighting . . . . . . . . . . . . . . . . . . . 6-8
Battery Load Management . . . . 6-9
Battery Power Protection . . . . . . 6-9
Exterior Lighting
Exterior Lamp Controls
The exterior lamp control is located
on the instrument panel to the left of
the steering wheel.
There are four positions:
O(Off): Turns off the automatic
headlamps and Daytime Running
Lamps (DRL). Turn the headlamp
control to the off position again to
turn the automatic headlamps or
DRL back on.
For vehicles first sold in Canada,
the off position will only work when
the vehicle is shifted into P (Park).

Black plate (11,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
Infotainment System 7-11
display and artist information
displays on the bottom line. When
information is not available,“NO
INFO” displays.
Finding a Station
BAND: Press to switch between
AM, FM, or SiriusXM®, if equipped.
f(Tune): Turn to manually select
radio stations.
©SEEK: Press to seek the
previous radio station. Press and
hold for a few seconds until a beep
sounds to scan for radio stations in
descending 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.
¨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 9‑3. 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 SiriusXM, 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.

Black plate (14,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
7-14 Infotainment System
Storing SiriusXM Channels
Drivers are encouraged to store
SiriusXM channels 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.
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 SiriusXM, if equipped, stations.
Storing an SiriusXM Channel as a
Favorite
To store a station as a favorite:
1. Tune to an SiriusXM 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.
SiriusXM Radio Messages
XL (Explicit Language
Channels): These channels, or any
others, can be blocked at a
customer's request, by calling
1-866-635-2349 (US) or
1-877-209-0079 (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
SiriusXM 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 (50,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
7-50 Infotainment System
When to Speak:A short tone
sounds after the system responds
indicating when it is waiting for a
voice command. Wait until the tone
and then speak.
How to Speak: Speak clearly in a
calm and natural voice.
Audio System
When using the in-vehicle Bluetooth
system, sound comes through the
vehicle's front audio system
speakers and overrides the audio
system. Use the audio system
volume knob, during a call, to
change the volume level. The
adjusted volume level remains in
memory for later calls. To prevent
missed calls, a minimum volume
level is used if the volume is turned
down too low.
Bluetooth Controls
Use the buttons on the steering
wheel to operate the in-vehicle
Bluetooth system. See Steering
Wheel Controls on page 5‑2.
b/g(Push to Talk): Press to
answer incoming calls, confirm
system information, and start
speech recognition.
c/x(End): Press to end a call,
reject a call, or cancel an operation.
Pairing
A Bluetooth-enabled cell phone
must be paired to the Bluetooth
system and then connected to the
vehicle before it can be used. See
the cell phone manufacturer's user
guide for Bluetooth functions before
pairing the cell phone. If a Bluetooth
phone is not connected, calls will be
made using OnStar Hands-Free
Calling, if equipped. See OnStar
Overview on page 14‑1.
Pairing Information
.A Bluetooth phone with MP3
capability cannot be paired to
the vehicle as a phone and an
MP3 player at the same time.
.Up to five cell phones can be
paired to the Bluetooth system.
.The pairing process is disabled
when the vehicle is moving.
.Pairing only needs to be
completed once, unless the
pairing information on the cell
phone changes or the cell phone
is deleted from the system.
.Only one paired cell phone can
be connected to the Bluetooth
system at a time.
.If multiple paired cell phones are
within range of the system, the
system connects to the first
available paired cell phone in the
order that they were first paired
to the system. To connect to a
different paired phone, see
“Connecting to a Different
Phone” later in this section.
Pairing a Phone
1. Press and hold
b/gfor
two seconds.
2. Say “Bluetooth.” This command
can be skipped.