Page 3 of 544

Black plate (3,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 6/6/14
Introduction iii
The names, logos, emblems,
slogans, vehicle model names, and
vehicle body designs appearing in
this manual including, but not limited
to, GM, the GM logo, GMC, the
GMC Truck Emblem, and SIERRA
are trademarks and/or service
marks of General Motors LLC, its
subsidiaries, affiliates, or licensors.
This manual describes features that
may or may not be on your specific
vehicle either because they are
options that you did not purchase or
due to changes subsequent to the
printing of this owner manual.Please refer to the purchase
documentation relating to your
specific vehicle to confirm each of
the features found on your vehicle.
For vehicles first sold in Canada,
substitute the name
“General
Motors of Canada Limited” for GMC
Division wherever it appears in this
manual.
If the vehicle has the Duramax
®
diesel engine, see the Duramax
diesel supplement for additional and
specific information on this engine.
Keep this manual in the vehicle for
quick reference.
Canadian Vehicle Owners
Propriétaires Canadiens
A French language manual can be
obtained from your dealer, at
www.helminc.com, or from:
On peut obtenir un exemplaire de
ce guide en français auprès du
concessionnaire ou à l'adresse
savant:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
Using this Manual
To quickly locate information about
the vehicle, use the Index in the
back of the manual. It is an
alphabetical list of what is in the
manual and the page number where
it can be found. Litho
in U.S.A.
Part No. 23188200 C-2 Third Printing
©2014 General Motors LLC. All Rights Reserved.
Page 5 of 544
Black plate (5,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 6/6/14
Introduction v
g:Audio Steering Wheel Controls
or OnStar®(if equipped)
$: Brake System Warning Light
":Charging System
I:Cruise Control
B: Engine Coolant Temperature
O:Exterior Lamps
#:Fog Lamps
.: Fuel Gauge
+:Fuses
3: Headlamp High/Low-Beam
Changer
(: Heated Steering Wheel
j:LATCH System Child
Restraints
*: Malfunction Indicator Lamp
::Oil Pressure
g:Outside Power Foldaway
Mirrors
O: Power
/:Remote Vehicle Start
>:Safety Belt Reminders
7:Tire Pressure Monitor
_: Tow/Haul Mode
d:Traction Control/StabiliTrak®
M:Windshield Washer Fluid
Page 9 of 544

Black plate (3,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 6/6/14
In Brief 1-3
1.Instrument Panel Illumination
Control on page 6-6.
2. Integrated Trailer Brake Control (ITBC) System (If Equipped).
See Towing Equipment on
page 9-89.
3. Exterior Lamp Controls on
page 6-1.
Fog Lamps on page 6-5
(If Equipped).
4. Air Vents on page 8-8.
5. Turn Signal Lever. See Turn and
Lane-Change Signals on
page 6-5.
Windshield Wiper/Washer on
page 5-4.
6. Instrument Cluster on page 5-10.
7. Hazard Warning Flashers on
page 6-4. 8. Shift Lever. See
Automatic
Transmission on page 9-33.
Tow/Haul Selector Button (If
Equipped). See Tow/Haul Mode
on page 9-38.
Range Selection Mode (Allison
Transmission
®and Hydra-Matic®
6-Speed Button) (If Equipped).
See Manual Mode on page 9-37.
9. Light Sensor. See Automatic
Headlamp System on page 6-3.
10. Infotainment on page 7-1.
11. Electronic Transfer Case Control (If Equipped). See
Four-Wheel Drive on
page 9-39.
Card Holder (If Equipped). See
Instrument Panel Storage on
page 4-1.
12. Parking Brake on page 9-53.
13. Data Link Connector (DLC) (Out of View). See Malfunction
Indicator Lamp on page 5-22. 14.
Cruise Control on page 9-57.
Forward Collision Alert (FCA)
System on page 9-64.
15. Steering Wheel Adjustment on
page 5-2 (Out of View).
16. Horn on page 5-4.
17. Hood Release. See Hood on
page 10-4.
18. Steering Wheel Controls on
page 5-3 (If Equipped).
Driver Information Center (DIC)
Controls (If Equipped). See
Driver Information Center (DIC)
(Base Level) on page 5-30 or
Driver Information Center (DIC)
(Uplevel) on page 5-32.
19. Heated and Cooled Front
Seats on page 3-8
(If Equipped).
Page 12 of 544
Black plate (6,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 6/6/14
1-6 In Brief
Power Door Locks
Crew/Extended Cab Premium,Other Models Similar
Base Trim
If equipped with power door locks:
Q: Press to lock the doors.
K: Press to unlock the doors.
See Door Locks on page 2-7 and
Power Door Locks on page 2-8.
Windows
Manual Windows
If equipped, turn the hand crank on
each door to manually raise or lower
the windows.
Power Windows
Crew/Double Cab Premium
Shown, Other Models Similar
If equipped, the driver door has a
switch to control all windows. Each
passenger door has a switch to
control that window. The power
windows work when the ignition is in
ON/RUN or ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active. See Retained
Accessory Power (RAP) on
page 9-28.
Page 16 of 544

Black plate (10,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 6/6/14
1-10 In Brief
Memory Features
Crew/Double Cab Shown, OtherModels Similar
If equipped, the SET, "1," "2," and
B(Exit) buttons on the driver door
are used to manually save and
recall memory settings for the driver
seat, outside mirrors, and adjustable
pedals (if equipped).
See Memory Seats on page 3-6 and
Vehicle Personalization on
page 5-45.
Heated and Cooled Front
Seats
Heated and Cooled Seat Buttons
Shown, Heated Seat Buttons Similar
If equipped, the buttons are on the
center stack. To operate, the engine
must be running.
Press
Ito heat the driver or
passenger seatback only.
Press
Jto heat the driver or
passenger seat cushion and
seatback. Press
Ato cool the driver or
passenger seat.
See Heated and Cooled Front Seats
on page 3-8.
Head Restraint
Adjustment
Do not drive until the head restraints
for all occupants are installed and
adjusted properly.
To achieve a comfortable seating
position, change the seatback
recline angle as little as necessary
while keeping the seat and the head
restraint height in the proper
position.
See Head Restraints on page 3-2
and Seat Adjustment on page 3-3.
Page 23 of 544
Black plate (17,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 6/6/14
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)
Page 24 of 544
Black plate (18,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 6/6/14
1-18 In Brief
Climate Control System (with Air Conditioning)
1. Fan Control
2. A/C (Air Conditioning)
3. Air Delivery Mode Control
4. Defrost5. TEMP (Temperature Control)
6. Air Recirculation
7. Rear Window Defogger
Page 25 of 544

Black plate (19,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 6/6/14
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 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.
2. Press the plus/minus buttons on the shift lever to select the
desired range of gears for
current driving conditions. See
Manual Mode on page 9-37.