GMC SIERRA 1500 2015 Owner's Manual

Black plate (14,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
1-14 In Brief
2. Pull the lever (2) toward you tomove the steering wheel up or
down, then release the lever to
lock the wheel in place.
Do not adjust the steering wheel
while driving.
Throttle and Brake Pedal
Adjustment
If equipped, the position of the
throttle and brake pedals can be
changed.
The switch used to adjust the
pedals is on the center stack, below
the climate controls.
Lift the switch up to move the
pedals closer to your body. Press
the switch down to move the
pedals away.
See Adjustable Throttle and Brake
Pedal on page 9-24.
Interior Lighting
Dome Lamps
There are dome lamps in the
overhead console and the headliner,
if equipped.
To change the dome lamp settings,
press the following:
OFF: Turns the lamps off, even
when a door is open.
DOOR: The lamps come on
automatically when a door is
opened.

Black plate (15,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
In Brief 1-15
ON:Turns all dome lamps on.
Reading Lamps
There are reading lamps in the
overhead console and the headliner,
if equipped. To operate, the ignition
must be in the ACC/ACCESSORY
or ON/RUN position or using
Retained Accessory Power (RAP).
Pressmornnext to each reading
lamp to turn it on or off.
For more information about interior
lighting, see Instrument Panel
Illumination Control on page 6-6.
Exterior Lighting
The exterior lamp control is on the
instrument panel to the left of the
steering wheel.
O: 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, off
will only work when the vehicle is in
P (Park).

Black plate (16,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
1-16 In Brief
AUTO:Automatically turns on the
headlamps at normal brightness,
together with the following:
.Parking Lamps
.Instrument Panel Lights
.Taillamps
.License Plate Lamps
.Roof Marker Lamps (If
Equipped)
.Front/Rear Sidemarker Lamps
;: Turns on the parking lamps
including all lamps, except the
headlamps.
5: Turns on the headlamps
together with the parking lamps and
instrument panel lights.
See:
.Exterior Lamp Controls on
page 6-1.
.Daytime Running Lamps (DRL)
on page 6-3.
.Fog Lamps on page 6-5.
Windshield Wiper/Washer
The windshield wiper control is on
the turn signal lever.
The windshield wipers are controlled
by turning the band with
zon it.
1: Fast wipes.
w:Slow wipes.
3INT: Turn the band up for more
frequent wipes or down for less
frequent wipes. OFF:
Turns the windshield
wipers off.
8: For a single wipe, turn to8,
then release. For several wipes,
hold the band on
8longer.
L m:Push the paddle at the top of
the lever to spray washer fluid on
the windshield.
See Windshield Wiper/Washer on
page 5-4.

Black plate (17,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
In Brief 1-17
Climate Controls
These systems control the heating, cooling, and ventilation.
Climate Control System (with Heater Only)
1. Fan Control
2. Air Recirculation
3. Air Delivery Mode Control4. Defrost
5. TEMP (Temperature Control)

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.