2015 GMC SIERRA 1500 keyless

Black plate (1,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
In Brief 1-1
In Brief
Instrument Panel
Instrument Panel . . . . . . . . . . . . . . 1-2
Initial Drive Information
Initial Drive Information . . . . . . . . 1-4
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . 1-4
Remote Vehicle Start . . . . . . . . . 1-5
Door Locks . . . . . . . . . . . . . . . . . . . 1-5
Windows . . . . . . . . . . . . . . . . . . . . . . 1-6
Seat Adjustment . . . . . . . . . . . . . . 1-7
Memory Features . . . . . . . . . . . . 1-10
Heated and Cooled Front Seats . . . . . . . . . . . . . . . . . . . . . . . 1-10
Head Restraint Adjustment . . . . . . . . . . . . . . . . . 1-10
Safety Belts . . . . . . . . . . . . . . . . . . 1-11
Passenger Sensing System . . . . . . . . . . . . . . . . . . . . . 1-11 Mirror Adjustment . . . . . . . . . . . . 1-11
Steering Wheel
Adjustment . . . . . . . . . . . . . . . . . 1-13
Throttle and Brake Pedal Adjustment . . . . . . . . . . . . . . . . . 1-14
Interior Lighting . . . . . . . . . . . . . . 1-14
Exterior Lighting . . . . . . . . . . . . . 1-15
Windshield Wiper/Washer . . . . 1-16
Climate Controls . . . . . . . . . . . . . 1-17
Transmission . . . . . . . . . . . . . . . . 1-19
Four-Wheel Drive . . . . . . . . . . . . 1-20
Vehicle Features
Infotainment System . . . . . . . . . 1-21
Radio(s) . . . . . . . . . . . . . . . . . . . . . 1-21
Satellite Radio . . . . . . . . . . . . . . . 1-22
Portable Audio Devices . . . . . . 1-22
Bluetooth
®. . . . . . . . . . . . . . . . . . . 1-23
Steering Wheel Controls . . . . . 1-23
Cruise Control . . . . . . . . . . . . . . . 1-24
Driver Information Center (DIC) . . . . . . . . . . . . . . . 1-24 Forward Collision Alert (FCA)
System . . . . . . . . . . . . . . . . . . . . . 1-25
Lane Departure Warning (LDW) . . . . . . . . . . . . . 1-25
Rear Vision
Camera (RVC) . . . . . . . . . . . . . 1-25
Parking Assist . . . . . . . . . . . . . . . 1-25
Power Outlets . . . . . . . . . . . . . . . 1-26
Universal Remote System . . . 1-26
Sunroof . . . . . . . . . . . . . . . . . . . . . . 1-26
Performance and Maintenance
Traction Control/Electronic Stability Control . . . . . . . . . . . . 1-27
Tire Pressure Monitor . . . . . . . . 1-28
Engine Oil Life System . . . . . . 1-28
E85 or FlexFuel . . . . . . . . . . . . . . 1-29
Driving for Better Fuel Economy . . . . . . . . . . . . . . . . . . . 1-29
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . 1-29
OnStar
®. . . . . . . . . . . . . . . . . . . . . 1-30

Black plate (4,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
1-4 In Brief
21.Climate Control Systems (with
Heater Only) on page 8-1 or
Climate Control Systems (with
Air Conditioning) on page 8-3
(If Equipped).
Dual Automatic Climate Control
System on page 8-5 (If
Equipped).
22.
gTraction Control/Electronic
Stability Control on page 9-50.
0Pedal Adjust Switch (If
Equipped). See Adjustable
Throttle and Brake Pedal on
page 9-24.
{Cargo Lamp on page 6-6.
XParking Assist Button (If
Equipped). See Assistance
Systems for Parking or Backing
on page 9-56.
@Lane Departure Warning
(LDW) on page 9-62 (If
Equipped).
5Hill Descent Control Switch
(If Equipped). See Hill Descent
Control (HDC) on page 9-52.
qExhaust Brake (If
Equipped). See “Exhaust
Brake” in the Duramax diesel
supplement.
gPower Take Off (PTO)
Button (If Equipped). See the
Duramax diesel supplement.
Auxiliary Button (If Equipped).
See Add-On Electrical
Equipment on page 9-97.
23. USB Port on page 7-18.
24. Power Outlets on page 5-6 (If
Equipped).
25. Power Outlet 110V Alternating Current (If Equipped). See
Power Outlets on page 5-6.
26. Passenger Airbag On-Off Switch (If Equipped) (Out of
View). See Airbag On-Off
Switch on page 3-28.
Initial Drive
Information
This section provides a brief
overview about some of the
important features that may or may
not be on your specific vehicle.
For more detailed information, refer
to each of the features which can be
found later in this owner manual.
Remote Keyless Entry
(RKE) System
The RKE transmitter functions may
work from up to 60 m (197 ft) away
from the vehicle.

Black plate (5,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
In Brief 1-5
K:Press to unlock the driver door.
Press
Kagain within three seconds
to unlock all remaining doors.
Q: Press to lock all doors. Lock
and unlock feedback can be
personalized. See Vehicle
Personalization on page 5-45.
7: Press and release one time to
initiate vehicle locator. Press
7and
hold for at least three seconds to
sound the panic alarm. Press
7
again to cancel the panic alarm. See
Keys on page 2-1 andRemote
Keyless Entry (RKE) System
Operation on page 2-3.
Remote Vehicle Start
If equipped, the engine can be
started from outside of the vehicle.
Starting the Vehicle
1. Aim the RKE transmitter at the
vehicle.
2. Press and release
Q.
3. Immediately, press and hold
/
for at least four seconds or until
the turn signal lamps flash.
When the vehicle starts, the parking
lamps will turn on and remain on as
long as the engine is running. The
doors will be locked and the climate
control system may come on.
The engine will continue to run for
10 minutes. Repeat the steps for a
10-minute time extension. Remote
start can be extended only once.
Canceling a Remote Start
To cancel a remote start, do one of
the following:
.Aim the RKE transmitter at the
vehicle and press and hold
/
until the parking lamps turn off.
.Turn on the hazard warning
flashers.
.Turn the vehicle on and then off.
See Remote Vehicle Start on
page 2-6.
Door Locks
There are several ways to lock and
unlock the vehicle.
From outside, use the Remote
Keyless Entry (RKE) transmitter or
the key in the driver door.
From inside, use the power door
locks or push down or pull up on the
manual door locks.
From inside, pull the door handle
once to unlock the door. Pull again
to open the door.

Black plate (1,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Keys, Doors, and Windows 2-1
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . 2-3
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . 2-3
Remote Vehicle Start . . . . . . . . . 2-6
Door Locks . . . . . . . . . . . . . . . . . . . 2-7
Power Door Locks . . . . . . . . . . . . 2-8
Delayed Locking . . . . . . . . . . . . . . 2-8
Automatic Door Locks . . . . . . . . . 2-8
Lockout Protection . . . . . . . . . . . . 2-9
Safety Locks . . . . . . . . . . . . . . . . . . 2-9
Doors
Tailgate . . . . . . . . . . . . . . . . . . . . . . . 2-9
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . 2-11
Vehicle Alarm System . . . . . . . . 2-11
Immobilizer . . . . . . . . . . . . . . . . . . 2-12
Immobilizer Operation . . . . . . . 2-12
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . 2-13
Manual Mirrors . . . . . . . . . . . . . . . 2-13
Trailer-Tow Mirrors . . . . . . . . . . . 2-13
Power Mirrors . . . . . . . . . . . . . . . . 2-14
Folding Mirrors . . . . . . . . . . . . . . . 2-15
Heated Mirrors . . . . . . . . . . . . . . . 2-16
Automatic Dimming Mirror . . . 2-16
Blind Spot Mirrors . . . . . . . . . . . 2-16
Reverse Tilt Mirrors . . . . . . . . . . 2-17
Interior Mirrors
Interior Rearview Mirrors . . . . . 2-17
Manual Rearview Mirror . . . . . . 2-17
Automatic Dimming Rearview Mirror . . . . . . . . . . . . . . . . . . . . . . . 2-18
Windows
Windows . . . . . . . . . . . . . . . . . . . . . 2-18
Manual Windows . . . . . . . . . . . . 2-18
Power Windows . . . . . . . . . . . . . 2-18
Rear Windows . . . . . . . . . . . . . . . 2-21
Sun Visors . . . . . . . . . . . . . . . . . . . 2-21
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . 2-22
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with
the ignition key is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or other controls or make the
vehicle move. The windows will
function with the keys in the
ignition, and children or others
could be caught in the path of a
closing window. Do not leave
children in a vehicle with the
ignition key.

Black plate (3,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Keys, Doors, and Windows 2-3
5. Repeat Steps 2–4 two moretimes. After the third time, turn to
ON/RUN; the key is learned and
all previously known keys will no
longer work with the vehicle.
Remaining keys can be learned by
following the procedure in
“Programming with a
Recognized Key.”
The key has a bar-coded key tag
that the dealer or qualified locksmith
can use to make new keys. Store
this information in a safe place, not
in the vehicle.
See your dealer if a replacement
key or additional key is needed.
If it becomes difficult to turn a key,
inspect the key blade for debris.
Periodically clean with a brush
or pick.
With an active OnStar subscription,
an OnStar Advisor may remotely
unlock the vehicle. See OnStar
Overview on page 14-1.Remote Keyless Entry
(RKE) System
See Radio Frequency Statement on
page 13-12.
If there is a decrease in the RKE
operating range:
.Check the distance. The
transmitter may be too far from
the vehicle.
.Check the location. Other
vehicles or objects may be
blocking the signal.
.Check the transmitter's battery.
See “Battery Replacement” later
in this section.
.If the transmitter is still not
working correctly, see your
dealer or a qualified technician
for service.
Remote Keyless Entry
(RKE) System Operation
The RKE transmitter functions may
work up to 60 m (197 ft) away from
the vehicle.
Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE)
System on page 2-3.

Black plate (6,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
2-6 Keys, Doors, and Windows
Remote Vehicle Start
If equipped with the remote start
feature, the climate control system
will come on when the vehicle is
started remotely depending on the
outside temperature.
The rear defog and heated and
cooled seats, if equipped, may also
come on. SeeHeated and Cooled
Front Seats on page 3-8 and
Vehicle Personalization on
page 5-45.
Laws in some communities may
restrict the use of remote starters.
Check local regulations for any
requirements on remote starting of
vehicles.
Do not use remote start if the
vehicle is low on fuel.
The vehicle cannot be remote
started if:
.The key is in the ignition (Key
Access) or the transmitter is in
the vehicle (Keyless Access)
.The hood is not closed.
.There is an emission control
system malfunction and the
malfunction indicator lamp is on.
The engine will turn off during a
remote vehicle start if:
.The coolant temperature gets
too high.
.The oil pressure gets low.
The RKE transmitter range may be
reduced while the vehicle is running.
Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE)
System on page 2-3 orVehicle
Personalization on page 5-45.
Starting the Engine Using Remote
Start
1. Press and release
Q. 2. Immediately press and hold
/
until the turn signal lamps flash
or for at least four seconds.
When the vehicle starts, the
parking lamps will turn on. The
doors will be locked and the
climate control system may
come on.
The engine will continue to run
for 10 minutes. Repeat the steps
for 10-minute time extension.
Place the ignition in ON/RUN/
START to operate the vehicle.
Extending Engine Run Time
The engine run time can be
extended by 10 minutes, for a total
of 20 minutes, if during the first
10 minutes Steps 1–2 are repeated
while the engine is still running.
A maximum of two remote starts,
or a single start with an extension,
is allowed between ignition cycles.
The vehicle's ignition must be
turned on and then back off to use
remote start again.

Black plate (7,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Keys, Doors, and Windows 2-7
Canceling a Remote Start
To cancel a remote start, do one of
the following:
.Press and hold/until the
parking lamps turn off.
.Turn on the hazard warning
flashers.
.Turn the ignition on and then off.
Door Locks
{Warning
Unlocked doors can be
dangerous.
.Passengers, especially
children, can easily open the
doors and fall out of a moving
vehicle. When a door is
locked, the handle will not
open it. The chance of being
thrown out of the vehicle in a
crash is increased if the
doors are not locked. So, all
(Continued)
Warning (Continued)
passengers should wear
safety belts properly and the
doors should be locked
whenever the vehicle is
driven.
.Young children who get into
unlocked vehicles may be
unable to get out. A child can
be overcome by extreme heat
and can suffer permanent
injuries or even death from
heat stroke. Always lock the
vehicle whenever leaving it.
.Outsiders can easily enter
through an unlocked door
when you slow down or stop
the vehicle. Locking the doors
can help prevent this from
happening.
There are several ways to lock and
unlock the vehicle. From outside, use the Remote
Keyless Entry (RKE) transmitter or
the key in the driver door.
From inside, use the power door
locks. See
Power Door Locks on
page 2-8.
From inside, pull the door handle
once to unlock the door. Pull the
handle again to open the door.
See Vehicle Alarm System on
page 2-11.

Black plate (11,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Keys, Doors, and Windows 2-11
Vehicle Security
This vehicle has theft-deterrent
features; however, they do not make
the vehicle impossible to steal.
Vehicle Alarm System
If equipped with the anti-theft alarm
system, the indicator light, on the
instrument panel near the
windshield, indicates the status of
the system.
Off:Alarm system is disarmed.
On Solid: Vehicle is secured
during the delay to arm the system.
Fast Flash: Vehicle is unsecured.
A door or the hood is open. Slow Flash:
Alarm system is
armed.
Arming the Alarm System
1. Turn off the vehicle.
2. Lock the vehicle with one of the
following:
.Use the Remote Keyless
Entry (RKE) transmitter.
.With a door open, pressQ
on the interior of the door.
3. After 30 seconds the alarm system will arm, and the
indicator light will begin to slowly
flash indicating the alarm system
is operating. Pressing
Qon the
RKE transmitter a second time
will bypass the 30-second delay
and immediately arm the alarm
system.
The theft-deterrent alarm system will
not arm if the doors are locked with
the key. If the driver door is opened without
first unlocking the RKE transmitter,
the horn will chirp and the lights will
flash to indicate pre-alarm. If the
vehicle is not started, or the door is
not unlocked by pressing
Kon the
RKE transmitter during the
10-second pre-alarm, the alarm will
be activated.
If a door or the hood is opened
without first disarming the system,
the turn signals will flash and the
horn will sound for about
30 seconds. The alarm system will
then re-arm to monitor for the next
unauthorized event.
Disarming the Alarm System
To disarm the alarm system or turn
off the alarm if it has been activated:
.PressKon the RKE transmitter.
.Start the vehicle.