2015 GMC SIERRA 1500 Owners Manual

Black plate (18,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
1-18 In Brief
Climate Control System (with Air Conditioning)
1. Fan Control
2. A/C (Air Conditioning)
3. Air Delivery Mode Control
4. Defrost
5. TEMP (Temperature Control)
6. Air Recirculation7.KRear Window Defogger
(If Equipped)
fOutside Heated Mirror
(If Equipped)
8Outside Air (If Equipped)

Black plate (19,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
In Brief 1-19
Dual Automatic Climate Control System
1. Driver Temperature Control
2. A/C (Air Conditioning)
3. Air Delivery Mode Controls
4. Fan Control
5. Defrost
6. Passenger Temperature Control
7. AUTO (Automatic Operation)
8. Air Recirculation9. Power Button
10. Rear Window Defogger
11. SYNC (Synchronized
Temperature)
See Climate Control Systems (with
Heater Only) on page 8-1 orClimate
Control Systems (with Air
Conditioning) on page 8-3 orDual
Automatic Climate Control System
on page 8-5 (If Equipped).
Transmission
Range Selection Mode
The Range Selection Mode switch,
if equipped, is on the automatic
transmission shift lever.
To enable:
1. Move the shift lever to the
M (Manual Mode) position. The
current range will display next to
the M. This is the highest
attainable range with all lower
gears accessible. As an
example, when 5 (Fifth) gear is
selected, 1 (First) through
5 (Fifth) gears are available.

Black plate (20,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
1-20 In Brief
2. Press the plus/minus buttons onthe shift lever to select the
desired range of gears for
current driving conditions. See
Manual Mode on page 9-36.
While using Range Selection Mode,
cruise control and the Tow/Haul
Mode can be used.
Grade Braking is not available when
Range Selection Mode is active.
See Tow/Haul Mode on page 9-37.
Four-Wheel Drive
If the vehicle has Four-Wheel Drive,
the engine's driving power can be
sent to all four wheels for extra
traction.
Transfer Case Controls
The vehicle will have one of these
three styles of transfer case
controls. Use these controls to shift
into and out of the different
four-wheel drive modes. Manual Transfer Case
This transfer case shift lever is on
the floor to the right of the driver.
Electronic Transfer CaseThis transfer case knob is to the left
of the steering column.

Black plate (21,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
In Brief 1-21
Automatic Transfer Case
This transfer case knob is to the left
of the steering column.
The different drive options that may
be available are described following.
2
m(Two-Wheel Drive High):This
setting is used for driving in most
street and highway situations.
AUTO (Automatic Four-Wheel
Drive): This setting is ideal for use
when road surface traction
conditions are variable. Do not use AUTO mode to park on
a steep grade with poor traction
such as ice, snow, mud or gravel. In
AUTO mode only the rear wheels
will hold the vehicle from sliding
when parked. If parking on a steep
grade, use 4
mto keep all four
wheels engaged.
4
m(Four-Wheel Drive High): Use
this setting when extra traction is
needed, such as on snowy or icy
roads or in most off-road situations.
N (Neutral): Shift to this setting
only when towing the vehicle. See
Recreational Vehicle Towing on
page 10-93 orTrailer Towing on
page 9-72.
4
n(Four-Wheel Drive Low): This
setting sends maximum power to all
four wheels. Choose Four-Wheel
Drive Low when driving in deep
sand, mud, or snow, and while
climbing or descending steep hills.
See Four-Wheel Drive on
page 9-38.
Vehicle Features
Infotainment System
The base radio and base radio with
connectivity information is included
in this manual. See the infotainment
manual for information on the
uplevel radios, audio players,
phone, navigation system, Rear
Seat Entertainment (RSE), and
voice or speech recognition,
if equipped.
Radio(s)
O
: Press to turn the system on.
Press and hold to turn it off. When
on, press to mute; press again to
unmute. Turn to increase or
decrease the volume.
RADIO: Press to choose between
FM, AM, and SiriusXM
®,
if equipped.
MEDIA: Press to change the audio
source between CD, USB, SD card,
AUX, and Bluetooth
®Audio,
if equipped.

Black plate (22,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
1-22 In Brief
{:Press to go to the Home Page.
MENU: Press to select a menu.
g:Press to seek the previous
station or track.
l: Press to seek the next station
or track.
See Overview on page 7-2 about
these and other radio features.
Storing Radio Station Presets
Up to 25 preset stations from all
bands can be stored in the favorite
lists in any order. Up to five stations
can be stored in each favorite page
and the number of favorite pages
can be set.
To store the station to a position in
the list, while on the active source
main page, such as AM, FM,
or SiriusXM (if equipped), press and
hold a favorites/soft key button on
the faceplate.
See “Storing Radio Station Presets”
under AM-FM Radio on page 7-8.
Setting the Clock
SeeClock on page 5-5.
Satellite Radio
Vehicles with a SiriusXM®satellite
radio tuner and a valid SiriusXM
satellite radio subscription can
receive SiriusXM programming.
SiriusXM Satellite Radio
Service
SiriusXM is a satellite radio service
based in the 48 contiguous United
States and 10 Canadian provinces.
SiriusXM satellite radio has a wide
variety of programming and
commercial-free music, coast to
coast, and in digital-quality sound.
A fee is required to receive the
SiriusXM service.
For more information refer to:
.www.siriusxm.com or call
1-866-635-2349 (U.S.).
.www.xmradio.ca or call
1-877-209-0079 (Canada). See
Satellite Radio on page 7-10.
Portable Audio Devices
This vehicle may have a 3.5 mm
(1/8 in) auxiliary input jack, SD card
reader, and USB ports in the center
console or armrest. There may be a
USB port in the upper glove box.
External devices such as iPods
®,
laptop computers, MP3 players, CD
changers, and USB storage devices
may be connected, depending on
the audio system.
See USB Port on page 7-18, SD
Card Reader on page 7-20, and
Auxiliary Jack on page 7-21.

Black plate (23,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
In Brief 1-23
Bluetooth®
The Bluetooth®system allows users
with a Bluetooth-enabled cell phone
to make and receive hands-free
calls using the vehicle audio system
and controls.
The Bluetooth-enabled cell phone
must be paired with the in-vehicle
Bluetooth system before it can be
used in the vehicle. Not all phones
will support all functions.
See Bluetooth (Voice Recognition -
Base Radio) on page 7-35 or
Bluetooth (Voice Recognition - Base
Connected Radio) on page 7-44 or
Bluetooth (Overview) on page 7-29
or Bluetooth (Infotainment Controls -
Base Connected Radio) on
page 7-40 orBluetooth
(Infotainment Controls - Base
Radio) on page 7-31.
Steering Wheel Controls
If equipped, some audio controls
can be adjusted at the steering
wheel.
g: For vehicles with OnStar®or a
Bluetooth®system, press to interact
with those systems. See OnStar
Overview on page 14-1 or
“Bluetooth (Overview)” in the
infotainment manual.
i: Press to reject an incoming
call, or end a current call. Press to
mute or unmute the infotainment
system when not on a call.
oorp: Press to go to the
previous or next menu option.
worx: Press to go to the next
or previous selection.
@: Press to select a highlighted
menu option.

Black plate (24,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
1-24 In Brief
The favorite and volume switches
are on the back of the steering
wheel.
1. Favorite: When on a radiosource, press to select the next
or previous favorite. When on a
media source, press to select
the next or previous track.
2. Volume: Press to increase or decrease the volume.
See Steering Wheel Controls on
page 5-3.Cruise Control
5: Press to turn the system on or
off. A white indicator comes on in
the instrument cluster when cruise
control is on and turns off when
cruise control is off.
+ RES: If there is a set speed in
memory, press briefly to resume to
that speed or press and hold to
accelerate. If cruise control is
already active, use to increase
vehicle speed. SET
−:Press briefly to set the
speed and activate cruise control.
If cruise control is already active,
use to decrease vehicle speed.
*: Press to disengage cruise
control without erasing the set
speed from memory.
See Cruise Control on page 9-53.
Driver Information
Center (DIC)
The DIC display is in the instrument
cluster. It shows the status of many
vehicle systems.
If the vehicle has the base level
instrument cluster, the trip odometer
reset stem is used to operate
the DIC.
If the vehicle has the uplevel
instrument cluster, the right steering
wheel controls are used to operate
the DIC.

Black plate (25,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
In Brief 1-25
worx:Press to move up or
down in a list.
oorp: Press to move between
the interactive display zones in the
cluster.
V: Press to open a menu or select
a menu item. Press and hold to
reset values on certain screens.
See Driver Information Center (DIC)
(Base Level) on page 5-30 orDriver
Information Center (DIC) (Uplevel)
on page 5-32.
Forward Collision Alert
(FCA) System
If equipped, FCA may help avoid or
reduce the harm caused by
front-end crashes. FCA provides a
green indicator,
V, when a vehicle
is detected ahead. This indicator
displays amber if you follow another
vehicle much too closely. When
approaching a vehicle ahead too
quickly, FCA provides a red flashing
alert on the windshield and rapidly
beeps or pulses the driver seat.
See Forward Collision Alert (FCA)
System on page 9-59.
Lane Departure
Warning (LDW)
If equipped, LDW is intended to help
avoid unintentional lane departures
at speeds of 56 km/h (35 mph) or
greater. LDW uses a camera sensor
to detect the lane markings. The
LDW indicator,
@, appears green if
a lane marking is detected. If the
vehicle departs the lane, the indicator will change to amber and
flash. In addition, the driver seat will
pulse or beeps will sound.
See
Lane Departure Warning (LDW)
on page 9-62.
Rear Vision
Camera (RVC)
If equipped, the RVC displays a
view of the area behind the vehicle,
on the center stack display, when
the vehicle is shifted into
R (Reverse).
See Assistance Systems for Parking
or Backing on page 9-56.
Parking Assist
If equipped, Rear Parking Assist
(RPA) uses sensors on the rear
bumper to assist with parking and
avoiding objects while in
R (Reverse). It operates at speeds
less than 8 km/h (5 mph). RPA may
display a warning triangle on the
Rear Vision Camera screen and a
graphic on the instrument cluster to