
Black plate (6,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 8/15/13
14-6 OnStar
to function properly. These systems
may not operate if the battery is
discharged or disconnected.
OnStar service cannot work unless
your vehicle is in a place where
OnStar has an agreement with a
wireless service provider for service
in that area, and the wireless
service provider has coverage,
network capacity, reception, and
technology compatible with OnStar
service. Service involving location
information about the vehicle cannot
work unless GPS signals are
available, unobstructed, and
compatible with the OnStar
hardware. OnStar service may not
work if the OnStar equipment is not
properly installed or it has not been
properly maintained. If equipment or
software is added, connected,
or modified, OnStar service may not
work. Other problems beyond the
control of OnStar may prevent
service such as hills, tall buildings,
tunnels, weather, electrical system
design and architecture of thevehicle, damage to the vehicle in a
crash, or wireless phone network
congestion or jamming.
See
Radio Frequency Statement on
page 13-15.
Services for People with
Disabilities
Advisors provide services to help
subscribers with physical disabilities
and medical conditions.
Press
Qfor help with:
.Locating a gas station with an
attendant to pump gas.
.Finding a hotel, restaurant, etc.,
that meets accessibility needs.
.Providing directions to the
closest hospital or pharmacy in
urgent situations.
TTY Users
OnStar has the ability to
communicate to the deaf,
hard-of-hearing, or speech-impaired
customers while in the vehicle. The
available dealer-installed TTY system can provide in-vehicle
access to all of the OnStar services,
except Virtual Advisor and OnStar
Turn-by-Turn Navigation.
OnStar.com (U.S.) or OnStar.ca
(Canada)
The website provides access to
account information, allows
management of the OnStar
subscription, and viewing of videos
of each service. Get subscription
plan pricing and sign up for OnStar
Vehicle Diagnostics. Click on the
“My Account”
tab on the home
page. The website navigation and
services provided may vary by
country.
OnStar Personal Identification
Number (PIN)
A PIN is needed to access some of
the OnStar services, like Remote
Door Unlock and Stolen Vehicle
Assistance. You will be prompted to
change the PIN the first time when
speaking with an Advisor. To

Black plate (7,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 8/15/13
INDEX i-7
Immobilizer . . . . . . . . . . . . . . . . . . . . 2-13
IndicatorVehicle Ahead . . . . . . . . . . . . . . . . 5-26
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . 3-40
Infotainment . . . . . . . . . . . . . . . . . . . . 7-1
Infotainment System . . . . . . . . . . 13-15
Instrument Cluster . . . . . . . . . . . . . 5-10
Instrument Panel Storage Area . . . . . . . . . . . . . . . . . . 4-1
Interior Rearview Mirrors . . . . . . . 2-18
Internet Radio
Pandora . . . . . . . . . . . . . . . . . . . . . . 7-12
Introduction . . . . . . . . . . . . . . . . . . . . . . . iii
J
Jack Auxiliary . . . . . . . . . . . . . . . . . . . . . . 7-22
Jump Starting . . . . . . . . . . . . . . . . . 10-89
K
Key and Lock Messages . . . . . . . 5-38
Keyless Entry Remote (RKE) System . . . . . . . . 2-3
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
L
Labeling, Tire Sidewall . . . . . . . . 10-54
Lamps
Auxiliary RoofMounted Lamp . . . . . . . . . . . . . . . 6-6
Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Daytime Running (DRL) . . . . . . . 6-3
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Exterior Controls . . . . . . . . . . . . . . . 6-1
Exterior Lamps Off Reminder . . . . . . . . . . . . . . . . . . . . 6-2
License Plate . . . . . . . . . . . . . . . 10-42
Malfunction Indicator . . . . . . . . . 5-22
Messages . . . . . . . . . . . . . . . . . . . . 5-38
On Reminder . . . . . . . . . . . . . . . . . 5-29
Reading . . . . . . . . . . . . . . . . . . . . . . . 6-7
Taillamps . . . . . . . . . . . . . . . . . . . 10-40
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . 9-66
Lane Departure Warning
Light . . . . . . . . . . . . . . . . . . . . . . . . . 5-26
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . 3-19
Lap-Shoulder Belt . . . . . . . . . . . . . 3-14
LATCH System Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . 3-58 LATCH, Lower Anchors and
Tethers for Children . . . . . . . . . . 3-46
LED Lighting . . . . . . . . . . . . . . . . . . 10-39
Light Hill Decent Control . . . . . . . . . . . 5-26
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Illumination Control . . . . . . . . . . . . 6-6
LED . . . . . . . . . . . . . . . . . . . . . . . . 10-39
Lights
Airbag On-Off . . . . . . . . . . . . . . . . . 5-18
Airbag Readiness . . . . . . . . . . . . . 5-18
Antilock Brake System(ABS) Warning . . . . . . . . . . . . . . 5-25
Brake System Warning . . . . . . . 5-24
Charging System . . . . . . . . . . . . . 5-21
Cruise Control . . . . . . . . . . . . . . . . 5-29
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-3
Four-Wheel-Drive . . . . . . . . . . . . . 5-25
Front Fog Lamp . . . . . . . . . . . . . . 5-29
High-Beam On . . . . . . . . . . . . . . . . 5-29
High/Low Beam Changer . . . . . . 6-2
Lane Departure Warning . . . . . . 5-26
Low Fuel Warning . . . . . . . . . . . . 5-28
Safety Belt Reminders . . . . . . . . 5-17

Black plate (10,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 8/15/13
i-10 INDEX
PortUSB . . . . . . . . . . . . . . . . . . . . . . . . . . 7-19
Power Door Locks . . . . . . . . . . . . . . . . . . . . 2-8
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Outlets . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Protection, Battery . . . . . . . . . . . . . 6-9
Retained Accessory (RAP) . . . 9-29
Seat Adjustment . . . . . . . . . . . . . . . 3-4
Steering Fluid . . . . . . . . . . . . . . . 10-26
Windows . . . . . . . . . . . . . . . . . . . . . 2-19
Pregnancy, Using Safety Belts . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Privacy Radio FrequencyIdentification (RFID) . . . . . . . 13-15
Program Courtesy Transportation . . . . . . 13-8
Proposition 65 Warning, California . . . . . . . . . . . . . . . . . . . . . 10-2R
Radio FrequencyIdentification (RFID) . . . . . . . . 13-15
Statement . . . . . . . . . . . . . . . . . . 13-15
Radios AM-FM Radio . . . . . . . . . . . . . . . . . . 7-9
Reception . . . . . . . . . . . . . . . . . . . . 7-11
Satellite . . . . . . . . . . . . . . . . . . . . . . . 7-10
Reading Lamps . . . . . . . . . . . . . . . . . 6-7
Rear Axle . . . . . . . . . . . . . . . . . . . . . 10-34 Locking . . . . . . . . . . . . . . . . . . . . . . . 9-57
Rear Seats . . . . . . . . . . . . . . 3-10, 3-11
Rear Windows . . . . . . . . . . . . . . . . . 2-22
Rearview Mirrors . . . . . . . . . . . . . . 2-18 Automatic Dimming . . . . . . . . . . . 2-19
Reclining Seatbacks . . . . . . . . . . . . 3-5
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . 11-12
Records Maintenance . . . . . . . . . . . . . . . . .11-16
Recreational Vehicle Towing . . . . . . . . . . . . . . . . . . . . . . 10-94
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . 13-5
Remote Keyless Entry (RKE)
System . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Remote Vehicle Start . . . . . . . . . . . 2-6
Replacement
Glass . . . . . . . . . . . . . . . . . . . . . . . 10-38
Replacement Bulbs . . . . . . . . . . . 10-42
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . 3-37
Maintenance . . . . . . . . . . . . . . . . .11-14
Replacing Airbag System . . . . . . 3-37
Replacing LATCH System Parts after a Crash . . . . . . . . . . . 3-58
Replacing Safety Belt
System Parts after a Crash . . . 3-21
Reporting Safety Defects Canadian Government . . . . . . 13-13
General Motors . . . . . . . . . . . . . 13-13
U.S. Government . . . . . . . . . . . 13-12
Restraints Where to Put . . . . . . . . . . . . . . . . . 3-44
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . . 9-29
Reverse Tilt Mirrors . . . . . . . . . . . . 2-18
Ride Control Systems
Messages . . . . . . . . . . . . . . . . . . . . 5-39
Roads Driving, Wet . . . . . . . . . . . . . . . . . . 9-11

Black plate (11,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 8/15/13
INDEX i-11
Roadside AssistanceProgram . . . . . . . . . . . . . . . . . . . . . . 13-5
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . 2-23
Rotation, Tires . . . . . . . . . . . . . . . . 10-67
Routing, Engine Drive Belt . . . . . 12-5
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . 9-34
S
Safety Belts . . . . . . . . . . . . . . . . . . . 3-12Care . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
Extender . . . . . . . . . . . . . . . . . . . . . . 3-20
How to Wear Safety BeltsProperly . . . . . . . . . . . . . . . . . . . . . 3-13
Lap Belt . . . . . . . . . . . . . . . . . . . . . . 3-19
Lap-Shoulder Belt . . . . . . . . . . . . 3-14
Reminders . . . . . . . . . . . . . . . . . . . . 5-17
Replacing after a Crash . . . . . . 3-21
Use During Pregnancy . . . . . . . . 3-19
Safety Defects Reporting Canadian Government . . . . . . 13-13
General Motors . . . . . . . . . . . . . 13-13
U.S. Government . . . . . . . . . . . 13-12
Safety Locks . . . . . . . . . . . . . . . . . . . . 2-9
Safety System Check . . . . . . . . . . 3-20 Satellite Radio . . . . . . . . . . . . . . . . . 7-10
Scheduling Appointments . . . . . . 13-7
SD Card Reader . . . . . . . . . . . . . . . 7-21
Seats
Adjustment, Front . . . . . . . . . . . . . . 3-3
Center Seat . . . . . . . . . . . . . . . . . . . 3-3
Head Restraints . . . . . . . . . . . . . . . 3-2
Lumbar Adjustment, Front . . . . . 3-4
Memory . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Power Adjustment, Front . . . . . . 3-4
Rear . . . . . . . . . . . . . . . . . . . . 3-10, 3-11
Reclining Seatbacks . . . . . . . . . . . 3-5
Securing Child Restraints . . . . . . . . . . . . . . 3-58, 3-68
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28
Messages . . . . . . . . . . . . . . . . . . . . 5-41
OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-2
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 2-11
Vehicle Alarm . . . . . . . . . . . . . . . . . 2-11
Service
Accessories andModifications . . . . . . . . . . . . . . . . 10-3
Doing Your Own Work . . . . . . . . 10-3
Engine Soon Light . . . . . . . . . . . . 5-22
Maintenance Records . . . . . . .11-16 Service (cont'd)
Maintenance, General
Information . . . . . . . . . . . . . . . . . . 11-1
Parts Identification Label . . . . . 12-1
Publications Ordering
Information . . . . . . . . . . . . . . . . .13-11
Scheduling Appointments . . . . . 13-7
Servicing the Airbag . . . . . . . . . . . 3-35
Shift Lock Control Function Check, Automatic
Transmission . . . . . . . . . . . . . . . . 10-36
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 9-30
Out of Park . . . . . . . . . . . . . . . . . . . 9-32
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . 6-5
Snow Plow . . . . . . . . . . . . . . . . . . . . 9-99
Software Updates . . . . . . . . . . . . . . 7-8
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . 12-2
Speedometer . . . . . . . . . . . . . . . . . . 5-13
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . 5-27
Start Assist, Hills . . . . . . . . . . . . . . 9-54
Start Vehicle, Remote . . . . . . . . . . 2-6

Black plate (13,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 8/15/13
INDEX i-13
TowingDriving Characteristics . . . . . . . . 9-74
Equipment . . . . . . . . . . . . . . . . . . . . 9-89
General Information . . . . . . . . . . 9-74
Recreational Vehicle . . . . . . . . 10-94
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 9-77
Trailer Sway Control (TSC) . . . 9-98
Vehicle . . . . . . . . . . . . . . . . . . . . . 10-94
Traction Control System (TCS)/StabiliTrak
®Light . . . . . . . . . . . . 5-27
Off Light . . . . . . . . . . . . . . . . . . . . . . 5-26
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . 9-54
Trailer Sway Control (TSC) . . . . . . . . . . 9-98
Tow Mirrors . . . . . . . . . . . . . . . . . . . 2-14
Towing . . . . . . . . . . . . . . . . . . . . . . . . 9-77
Transfer Case . . . . . . . . . . . . . . . . . 9-39
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . 9-34
Fluid, Automatic . . . . . . . . . . . . 10-14
Messages . . . . . . . . . . . . . . . . . . . . 5-42 Transportation Program,
Courtesy . . . . . . . . . . . . . . . . . . . . . 13-8
Trip Odometer . . . . . . . . . . . . . . . . . 5-13
Truck-Camper Loading Information . . . . . . . . . . . . . . . . . . . 9-22
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Turn Signal Bulb Replacement . . . . . . . . . . 10-40U
Uniform Tire QualityGrading . . . . . . . . . . . . . . . . . . . . . 10-72
Universal Remote System . . . . . 5-51 Operation . . . . . . . . . . . . . . . . . . . . . 5-54
Programming . . . . . . . . . . . . . . . . . 5-51
Updates Software . . . . . . . . . . . . . . . . . . . . . . . 7-8
USB Port . . . . . . . . . . . . . . . . . . . . . . 7-19
Using This Manual . . . . . . . . . . . . . . . . iii
V
Vehicle Alarm System . . . . . . . . . . . . . . . . 2-11
Canadian Owners . . . . . . . . . . . . . . . iii
Control . . . . . . . . . . . . . . . . . . . . . . . . 9-3
IdentificationNumber (VIN) . . . . . . . . . . . . . . . 12-1
Load Limits . . . . . . . . . . . . . . . . . . . 9-16
Messages . . . . . . . . . . . . . . . . . . . . 5-34
Personalization . . . . . . . . . . . . . . . 5-45
Reminder Messages . . . . . . . . . . 5-44
Remote Start . . . . . . . . . . . . . . . . . . 2-6
Security . . . . . . . . . . . . . . . . . . . . . . 2-11
Speed Messages . . . . . . . . . . . . . 5-44
Towing . . . . . . . . . . . . . . . . . . . . . . 10-94
Vehicle Ahead Indicator . . . . . . . 5-26
Vehicle Care
Tire Pressure . . . . . . . . . . . . . . . 10-61
Ventilation, Air . . . . . . . . . . . . . . . . . . 8-8
Visors . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Voice Recognition . . . . . . . . . . . . . 7-26
Voltmeter Gauge . . . . . . . . . . . . . . 5-16