key GMC SIERRA 1500 2015 Manual PDF

Black plate (4,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
11-4 Service and Maintenance
.Visually inspect windshield wiper
blades for wear, cracking,
or contamination. SeeExterior
Care on page 10-98. Replace
worn or damaged wiper blades.
See Wiper Blade Replacement
on page 10-36.
.Check tire inflation pressures.
See Tire Pressure on
page 10-59.
.Inspect tire wear. See Tire
Inspection on page 10-66.
.Visually check for fluid leaks.
.Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter on
page 10-17.
.Inspect brake system.
.Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of wear
at least once a year. See
Exterior Care on page 10-98.
Lubricate the suspension and
steering components at least every other oil
change. (If equipped with grease
fittings)
.Check restraint system
components. See
Safety System
Check on page 3-20.
.Visually inspect fuel system for
damage or leaks.
.Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
.Lubricate body components. See
Exterior Care on page 10-98.
.Check starter switch. See Starter
Switch Check on page 10-35.
.Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check on
page 10-35.
.Check ignition transmission lock.
See Ignition Transmission Lock
Check on page 10-35.
.Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check on
page 10-36.
.Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
.Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. See your
dealer if service is required.
.Inspect sunroof track and seal,
if equipped. See Sunroof on
page 2-22.
.Verify spare tire key lock
operation and lubricate as
needed. See Tire Changing on
page 10-77.

Black plate (12,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
11-12 Service and Maintenance
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
This maintenance section applies to vehicles with a gasoline engine. If the vehicle has a diesel engine and/or an
Allison Transmission, see the maintenance schedule section in the Duramax diesel supplement.
Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer.Usage Fluid/Lubricant
Engine Oil Use only engine oil licensed to the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. See
Engine Oil on page 10-10.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL coolant. SeeEngine Coolant on page 10-20.
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19299818, in Canada 19299819).
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements.
Hydraulic Power Steering System (HD Only) GM Power Steering Fluid (GM Part No. 89021185, in Canada 89021186).
Automatic Transmission DEXRON
®-VI Automatic Transmission Fluid.
Key Lock Cylinders Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474).

Black plate (12,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
13-12 Customer Information
In-Portfolio: Includes a Portfolio,
Owner Manual, and Warranty
Manual.
RETAIL SELL PRICE:
$35.00 (U.S.) plus handling and
shipping fees.
Without Portfolio: Owner
Manual only.
RETAIL SELL PRICE:
$25.00 (U.S.) plus handling and
shipping fees.
Current and Past Models
Technical Service Bulletins and
Manuals are available for current
and past model GM vehicles.
ORDER TOLL FREE:
1-800-551-4123 Monday–Friday
8:00 AM –6:00 PM Eastern Time
For Credit Card Orders Only
(VISA-MasterCard-Discover), see
Helm, Inc. at: www.helminc.com. Or write to:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
Prices are subject to change without
notice and without incurring
obligation. Allow ample time for
delivery.
All listed prices are quoted in U.S.
funds. Make checks payable in U.S.
funds.Radio Frequency
Identification (RFID)
RFID technology is used in some
vehicles for functions such as tire
pressure monitoring and ignition
system security, as well as in
connection with conveniences such
as Remote Keyless Entry (RKE)
transmitters for remote door locking/
unlocking and starting, and
in-vehicle transmitters for garage
door openers. RFID technology in
GM vehicles does not use or recordpersonal information or link with any
other GM system containing
personal information.
Radio Frequency
Statement
This vehicle has systems that
operate on a radio frequency that
comply with Part 15 of the Federal
Communications Commission (FCC)
rules and with Industry Canada
Standards RSS‐GEN/210/220/310.
Operation is subject to the following
two conditions:
1. The device may not cause
harmful interference.
2. The device must accept any interference received, including
interference that may cause
undesired operation of the
device.
Changes or modifications to any of
these systems by other than an
authorized service facility could void
authorization to use this equipment.

Black plate (2,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
14-2 OnStar
.Give OnStar Turn-by-Turn
Navigation voice commands.
Requires the available Directions
& Connections service plan.
.Obtain the WiFi network name,
or Service Set Identifier or SSID,
and passphrase (if equipped).
Press
Qto connect to a live
Advisor to:
.Verify account information or
update contact information.
.Get driving directions. Requires
the available Directions &
Connections service plan.
.Receive On-Demand
Diagnostics for a check of the
vehicle’s key operating systems.
.Receive Roadside Assistance.
.Manage WiFi Settings (if
equipped). Press
>to get a priority connection
to an OnStar Emergency Advisor
available 24/7 to:
.Get help for an emergency.
.Be a Good Samaritan or
respond to an AMBER Alert.
.Get assistance in severe
weather or other crisis and
evacuation routes.
OnStar Services
Emergency
With Automatic Crash Response,
the OnStar system can
automatically connect to an OnStar
Emergency Advisor. The built-in
system can automatically connect to
help in certain crashes.
Press
>to connect to an OnStar
Emergency Advisor. GPS
technology is used to identify the
vehicle location and can provide
important information to emergency
personnel. OnStar Emergency
Advisors are trained to provide
assistance and link to existing
public emergency service providers
in emergency situations.
With OnStar Crisis Assist, specially
trained Crisis Advisors are available
24 hours a day, 7 days a week, to
provide a central point of contact,
assistance, and information if a
crisis occurs.

Black plate (4,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
14-4 OnStar
Destination Download:PressQ,
then request the Advisor to
download directions to the
navigation system in the vehicle (if
equipped). After the call ends, press
the “Go” button on the navigation
screen to begin driving directions.
If directions are downloaded to the
navigation system, the route can
only be canceled through the
navigation system.
Destinations can also be
downloaded on the go. For
information about eNav or
Destination Download, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Connections
Directions & Connections includes
the services that follow to help
customers stay connected.
For coverage maps, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada). WiFi Connectivity (If Equipped)
The vehicle has a WiFi hotspot that
provides a high-speed, wireless
Internet connection to connect
multiple mobile devices (data plan
required).
1. To retrieve WiFi hotspot
information, press
=and select
or say “WiFi settings.”
2. The WiFi settings will display the WiFi network name/SSID,
passphrase, and level of
encryption.
3. To change the SSID or passphrase, press
Qor call
1-888-4-ONSTAR to connect
with an Advisor.
OnStar RemoteLink
®Mobile App
(If Equipped)
Download the OnStar RemoteLink
mobile app to select Apple
®,
Android™, and BlackBerry®or
Windows 7 or 8 mobile devices.
From the mobile device, check the
vehicle’s fuel level, oil life, or tire pressure; or activate remote horn
and lights. Also remote start the
vehicle (if factory equipped) or
unlock the doors from anywhere
with a wireless connection (if
equipped with automatic locks).
With the Directions & Connections
service plan, a destination can be
sent to the vehicle. For OnStar
RemoteLink information and
compatibility, see www.onstar.com
(U.S.) or www.onstar.ca (Canada).
OnStar RemoteLink
®Key Fob
Services
This feature is included for five
years and allows for remote door
lock/unlock (if equipped with
automatic locks), remote start (if
factory equipped), or activation of
horn and lights from anywhere with
a wireless signal. Download the app
and start using it any time during the
trial period to get started.
OnStar Hands-Free Calling
This service allows calls to be made
and received from the vehicle.

Black plate (6,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
i-6 INDEX
Glass Replacement . . . . . . . . . . . 10-37
Glove Box . . . . . . . . . . . . . . . . . . . . . . 4-2
GM Mobility ReimbursementProgram . . . . . . . . . . . . . . . . . . . . . . 13-5
H
Halogen Bulbs . . . . . . . . . . . . . . . . 10-37
Hazard Warning Flashers . . . . . . . 6-4
Head Restraints . . . . . . . . . . . . . . . . 3-2
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . 10-37
Automatic . . . . . . . . . . . . . . . . . . . . . . 6-3
Bulb Replacement . . . . . . . . . . 10-37
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . . 6-3
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-3
Headlamps, Front Turn Signal, Sidemarker, and
Parking Lamps . . . . . . . . . . . . 10-38
High-Beam On Light . . . . . . . . . . 5-29
High/Low Beam Changer . . . . . . 6-2
Lamps On Reminder . . . . . . . . . 5-29
Heated
Steering Wheel . . . . . . . . . . . . . . . . 5-4
Heated and Cooled Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . 3-8 Heated Mirrors . . . . . . . . . . . . . . . . . 2-16
Heater
Engine Coolant . . . . . . . . . . . . . . . 9-28
Heating and Air Conditioning . . . . . . . . . . . . . . . 8-1, 8-3
High-Beam On Light . . . . . . . . . . . 5-29
High-Speed Operation . . . . . . . . 10-61
Hill and Mountain Roads . . . . . . . 9-12
Hill Descent Control (HDC) . . . . 9-52
Hill Descent Control Light . . . . . . 5-26
Hill Start Assist (HSA) . . . . . . . . . 9-49
Home Page . . . . . . . . . . . . . . . . . . . . . 7-5
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
How to Wear Safety Belts Properly . . . . . . . . . . . . . . . . . . . . . . 3-13
I
Idle System
Fast . . . . . . . . . . . . . . . . . . . . . . . . . . 9-27
Ignition Positions . . . . . . . . . . . . . . 9-24
Ignition Transmission Lock Check . . . . . . . . . . . . . . . . . . . . . . . 10-35
Immobilizer . . . . . . . . . . . . . . . . . . . . 2-12
Indicator Vehicle Ahead . . . . . . . . . . . . . . . . 5-26 Infants and Young Children,
Restraints . . . . . . . . . . . . . . . . . . . . 3-39
Infotainment . . . . . . . . . . . . . . . . . . . . 7-1
Infotainment System . . . . . . . . . . 13-15
Instrument Cluster . . . . . . . . . . . . . 5-10
Instrument Panel Storage Area . . . . . . . . . . . . . . . . . . 4-1
Interior Rearview Mirrors . . . . . . . 2-17
Internet Radio Pandora . . . . . . . . . . . . . . . . . . . . . . 7-12
Introduction . . . . . . . . . . . . . . . . . . . . . . . iii
J
Jack
Auxiliary . . . . . . . . . . . . . . . . . . . . . . 7-21
Jump Starting . . . . . . . . . . . . . . . . . 10-88
K
Key and Lock Messages . . . . . . . 5-39
Keyless Entry Remote (RKE) System . . . . . . . . 2-3
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Black plate (8,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
i-8 INDEX
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . .11-16
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . 11-9
Maintenance Schedule . . . . . . . . 11-3 Recommended Fluids
and Lubricants . . . . . . . . . . . . .11-12
Transfer Case . . . . . . . . . . . . . . . . 9-38
Malfunction Indicator Lamp . . . . 5-22
Manual Mirrors . . . . . . . . . . . . . . . . 2-13
Manual Mode . . . . . . . . . . . . . . . . . . 9-36
Manual Windows . . . . . . . . . . . . . . 2-18
Memory Features . . . . . . . . . . . . . . 1-10
Memory Seats . . . . . . . . . . . . . . . . . . 3-6
Messages Airbag System . . . . . . . . . . . . . . . . 5-41
Battery Voltage andCharging . . . . . . . . . . . . . . . . . . . . 5-35
Brake System . . . . . . . . . . . . . . . . 5-36
Compass . . . . . . . . . . . . . . . . . . . . . 5-36
Door Ajar . . . . . . . . . . . . . . . . . . . . . 5-36
Engine Cooling System . . . . . . . 5-37
Engine Oil . . . . . . . . . . . . . . . . . . . . 5-37
Engine Power . . . . . . . . . . . . . . . . 5-38
Fuel System . . . . . . . . . . . . . . . . . . 5-38 Messages (cont'd)
Key and Lock . . . . . . . . . . . . . . . . . 5-39
Lamp . . . . . . . . . . . . . . . . . . . . . . . . . 5-39
Object Detection System . . . . . 5-39
Ride Control System . . . . . . . . . . 5-40
Security . . . . . . . . . . . . . . . . . . . . . . 5-41
Steering System . . . . . . . . . . . . . . 5-41
Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-42
Transmission . . . . . . . . . . . . . . . . . 5-42
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 5-35
Vehicle Reminder . . . . . . . . . . . . . 5-44
Vehicle Speed . . . . . . . . . . . . . . . . 5-45
Washer Fluid . . . . . . . . . . . . . . . . . 5-45
Mirrors
Automatic Dimming . . . . . . . . . . . 2-16
Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . 2-18
Blind Spot . . . . . . . . . . . . . . . . . . . . 2-16
Convex . . . . . . . . . . . . . . . . . . . . . . . 2-13
Folding . . . . . . . . . . . . . . . . . . . . . . . 2-15
Heated . . . . . . . . . . . . . . . . . . . . . . . 2-16
Manual . . . . . . . . . . . . . . . . . . . . . . . 2-13
Manual Rearview . . . . . . . . . . . . . 2-17
Power . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Tilt in Reverse . . . . . . . . . . . . . . . . 2-17
Trailer Tow . . . . . . . . . . . . . . . . . . . . 2-13
Mirrors, Interior Rearview . . . . . . 2-17 Monitor System, Tire
Pressure . . . . . . . . . . . . . . . . . . . . 10-61
Multi-band Antenna . . . . . . . . . . . . 7-11
N
Navigation OnStar®. . . . . . . . . . . . . . . . . . . . . . 14-3
New Vehicle Break-In . . . . . . . . . . 9-23
Noise Control System . . . . . . . . 10-34
O
Object Detection System Messages . . . . . . . . . . . . . . . . . . . . 5-39
Odometer . . . . . . . . . . . . . . . . . . . . . . 5-13 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 9-6
Driving . . . . . . . . . . . . . . . . . . . . . . . . . 9-6
Recovery . . . . . . . . . . . . . . . . . . . . . . 9-5
Oil Engine . . . . . . . . . . . . . . . . . . . . . . 10-10
Engine Oil Life System . . . . . 10-13
Engine Oil Pressure
Gauge . . . . . . . . . . . . . . . . . . . . . . 5-15
Messages . . . . . . . . . . . . . . . . . . . . 5-37
Older Children, Restraints . . . . . 3-37
Online Owner Center . . . . . . . . . . 13-4

Black plate (10,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
i-10 INDEX
R
Radio FrequencyIdentification (RFID) . . . . . . . . . 13-12
Radio Frequency Statement . . . . . . . . . . . . . . . . . . . 13-12
Radios AM-FM Radio . . . . . . . . . . . . . . . . . . 7-8
Reception . . . . . . . . . . . . . . . . . . . . 7-11
Satellite . . . . . . . . . . . . . . . . . . . . . . . 7-10
Reading Lamps . . . . . . . . . . . . . . . . . 6-7
Rear Axle . . . . . . . . . . . . . . . . . . . . . 10-33 Locking . . . . . . . . . . . . . . . . . . . . . . . 9-52
Rear Seats . . . . . . . . . . . . . . 3-10, 3-11
Rear Windows . . . . . . . . . . . . . . . . . 2-21
Rearview Mirrors . . . . . . . . . . . . . . 2-17 Automatic Dimming . . . . . . . . . . . 2-18
Reclining Seatbacks . . . . . . . . . . . . 3-5
Recommended Fluids and Lubricants . . . . . . . . . . . . . . . . . . . 11-12
Records
Maintenance . . . . . . . . . . . . . . . . .11-16
Recreational Vehicle Towing . . . . . . . . . . . . . . . . . . . . . . 10-93
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . 13-5 Remote Keyless Entry (RKE)
System . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Remote Vehicle Start . . . . . . . . . . . 2-6
Replacement Glass . . . . . . . . . . . . . . . . . . . . . . . 10-37
Replacement Bulbs . . . . . . . . . . . 10-40
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . 3-36
Maintenance . . . . . . . . . . . . . . . . .11-14
Replacing Airbag System . . . . . . 3-36
Replacing LATCH System Parts after a Crash . . . . . . . . . . . 3-57
Replacing Safety Belt System Parts after a Crash . . . 3-21
Reporting Safety Defects Canadian Government . . . . . . 13-13
General Motors . . . . . . . . . . . . . 13-13
U.S. Government . . . . . . . . . . . 13-13
Restraints Where to Put . . . . . . . . . . . . . . . . . 3-43
Retained Accessory
Power (RAP) . . . . . . . . . . . . . . . . . 9-28
Reverse Tilt Mirrors . . . . . . . . . . . . 2-17
Ride Control Systems Messages . . . . . . . . . . . . . . . . . . . . 5-40 Roads
Driving, Wet . . . . . . . . . . . . . . . . . . 9-11
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . 13-5
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . 2-22
Rotation, Tires . . . . . . . . . . . . . . . . 10-66
Routing, Engine Drive Belt . . . . . 12-5
Running the Vehicle While
Parked . . . . . . . . . . . . . . . . . . . . . . . 9-33
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