2018 GMC SIERRA lock

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
In Brief 25
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 “Base Radio” inOverview
0 188.
Base Radio with Touchscreen
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.
{: Press to go to the Home Page.
7:Press to seek the previous
station or track.
6: Press to seek the next station
or track.
See “Base Radio with Touchscreen”
in Overview 0188.
Setting the Clock
See Clock 0132.
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
1-888-601-6296 (U.S.).
. www.siriusxm.ca or call
1-877-438-9677 (Canada).
See Satellite Radio 0192.
Portable Audio Devices
This vehicle may have a 3.5 mm
(1/8 in) auxiliary input jack and USB
ports in the center stack, center
console, or under armrest. There
may be a USB port in the upper
glove box. External devices such as
iPods, laptop computers, MP3
players, and USB storage devices
may be connected, depending on
the audio system.
See USB Port 0197 andAuxiliary
Jack 0203.
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.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
30 In Brief
To express-close the sunroof, fully
press and release
K. Press the
switch again to stop the movement.
Open/Close (Manual Mode) : To
open the sunroof, press and hold
I. Release the switch to stop the
movement. Press and hold
Kto
close the sunroof. Release the
switch to stop the movement.
Tilt Switch
Vent : From the closed position,
press
Jto vent the sunroof. Press
Kto close the vent. When the sunroof is opened, an air
deflector will automatically raise.
The air deflector will retract when
the sunroof is closed.
The sunroof also has a sunshade,
which can be pulled forward to block
sun rays. The sunshade must be
opened and closed manually.
If an object is in the path of the
sunroof while it is closing, the
automatic reversal system will
detect the object and stop the
sunroof.
See
Sunroof 055.
Performance and
Maintenance
Traction Control/
Electronic Stability
Control
The vehicle has a Traction Control
System (TCS) that limits wheel spin
and the StabiliTrak system that
assists with directional control of the
vehicle in difficult driving conditions.
Both systems come on
automatically when the vehicle is
started and begins to move.
.
To turn off TCS, press and
release
gon the center stack.
The traction off light
idisplays
in the instrument cluster. The
appropriate Driver Information
Center (DIC) message displays.
. To turn off both TCS and
StabiliTrak, press and hold
g
untiliandgilluminate in the
instrument cluster and the
appropriate DIC message
displays.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
34 Keys, Doors, and Windows
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . 37
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . 37
Remote Vehicle Start . . . . . . . . . . 39
Door Locks . . . . . . . . . . . . . . . . . . . . 40
Power Door Locks . . . . . . . . . . . . . 41
Automatic Door Locks . . . . . . . . . 41
Lockout Protection . . . . . . . . . . . . . 42
Safety Locks . . . . . . . . . . . . . . . . . . . 42
Doors
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . 43
Power Assist Steps . . . . . . . . . . . . 43
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . 44
Vehicle Alarm System . . . . . . . . . 44
Immobilizer . . . . . . . . . . . . . . . . . . . . 46
Immobilizer Operation . . . . . . . . . 46
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . 47
Manual Mirrors . . . . . . . . . . . . . . . . . 47 Trailer-Tow Mirrors . . . . . . . . . . . . . 48
Power Mirrors . . . . . . . . . . . . . . . . . . 48
Folding Mirrors . . . . . . . . . . . . . . . . . 49
Heated Mirrors . . . . . . . . . . . . . . . . . 50
Automatic Dimming Mirror . . . . . 50
Blind Spot Mirrors . . . . . . . . . . . . . . 50
Reverse Tilt Mirrors . . . . . . . . . . . . 51
Interior Mirrors
Interior Rearview Mirrors . . . . . . . 51
Manual Rearview Mirror . . . . . . . . 52
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 52
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 52
Manual Windows . . . . . . . . . . . . . . 52
Power Windows . . . . . . . . . . . . . . . 52
Rear Windows . . . . . . . . . . . . . . . . . 54
Sun Visors . . . . . . . . . . . . . . . . . . . . . 55
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 55
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.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
36 Keys, Doors, and Windows
Interference from radio-frequency
identification (RFID) tags may
prevent the key from starting the
vehicle. Keep RFID tags away from
the key when starting the vehicle.
The key is used for the ignition, all
door locks and glove box,
if equipped.
If equipped with memory seats,
keys 1 and 2 are linked to seating
positions of memory 1 or 2. See
Memory Seats062.
Programming Keys
Follow these procedures to program
up to eight keys to the vehicle. Programming with Two
Recognized Keys
To program a new key:
1. Insert the original, already programmed key in the ignition
and turn the ignition on.
2. Turn the ignition off, and remove the key.
3. Quickly, within five seconds, insert the second original
already programmed key in the
ignition and turn the ignition on.
4. Turn the ignition off, and remove the key.
5. Insert the key to be programmed and turn the
ignition on within five seconds.
6. The security light will turn off once the key has been
programmed.
7. Repeat Steps 1–5 if additional keys are to be programmed.
If a key is lost or damaged, see your
dealer to have a new key made. Programming without
Recognized Keys
Program a new key to the vehicle
when a recognized key is not
available. Canadian regulations
require that owners see their dealer.
If two currently recognized keys are
not available, follow this procedure
to program the first key.
This procedure will take
approximately 30 minutes to
complete for the first key. The
vehicle must be off and all of the
keys you wish to program must be
with you.
1. Insert the new vehicle key into the ignition.
2. Turn the ignition on. The security light will come on.
3. Wait 10 minutes until the security light turns off.
4. Turn the ignition off.
5. Repeat Steps 2–4 two more times. After the third time, turn
the ignition on; the key is

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Keys, Doors, and Windows 37
learned and all previously
known keys will no longer work
with the vehicle.
6. To learn a second key, turn the ignition off, insert the second
key to be learned, and turn the
ignition on.
After two keys are learned, the
remaining keys can be learned by
following the procedure in
“Programming with Two
Recognized Keys.”
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 service plan,
an OnStar Advisor may remotely
unlock the vehicle. See OnStar
Overview 0479.Remote Keyless Entry
(RKE) System
See Radio Frequency Statement
0 475.
If there is a decrease in the Remote
Keyless Entry (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
037.
With Remote Start (without
Remote Start Similar)
/:If equipped,/is used to start
the engine from outside the vehicle
using the RKE transmitter. See
Remote Vehicle Start 039.
Q:Press to lock all doors and the
tailgate.
If enabled in vehicle personalization,
the turn signal lamps flash once to
indicate locking has occurred.
If enabled through vehicle

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
38 Keys, Doors, and Windows
personalization, the horn chirps
when
Qis pressed again within
three seconds. See Vehicle
Personalization 0165.
Pressing
Qarms the alarm system.
See Vehicle Alarm System 044.
If equipped with auto mirror folding,
pressing and holding
Qfor
one second will fold the mirrors. The
auto mirror folding feature will not
operate unless it is enabled.
See Folding Mirrors 049 and
Vehicle Personalization 0165.
K:Press once to unlock only the
driver door. If
Kis pressed again
within three seconds, all remaining
doors and the tailgate unlock. The
interior lamps may come on and
stay on for 20 seconds or until the
ignition is turned on.
If enabled in vehicle personalization,
the turn signal lamps flash twice to
indicate unlocking has occurred.
See Vehicle Personalization 0165.
If enabled through vehicle personalization, the exterior lamps
may turn on. See
Vehicle
Personalization 0165.
Pressing
Kon the RKE transmitter
disarms the alarm system. See
Vehicle Alarm System 044.
If equipped with auto mirror folding,
pressing and holding
Kfor
one second will unfold the mirrors.
The auto mirror folding feature will
not operate unless it is enabled.
See Folding Mirrors 049 and
Vehicle Personalization 0165.
On some models, press, release,
and then press and hold
Kto open
all of the windows. Pressing the
button again will stop the windows.
See Vehicle Personalization 0165.
7:Press and release one time to
initiate vehicle locator. The turn
signal lamps flash and the horn
sounds three times.
Press and hold
7for at least
three seconds to sound the panic
alarm. The turn signal lamps flash
and the horn sounds repeatedly for
30 seconds. The alarm turns off when the ignition is turned on or
7
is pressed again. The ignition must
be off for the panic alarm to work.
Programming Transmitters to
the Vehicle
Only RKE transmitters programmed
to this vehicle will work. If a
transmitter is lost or stolen, a
replacement can be purchased and
programmed through your dealer.
Each vehicle can have up to
eight transmitters programmed to it.
See your dealer for transmitter
programming.
Battery Replacement
Replace the battery in the
transmitter soon if the REPLACE
BATTERY IN REMOTE KEY
message displays in the Driver
Information Center (DIC).

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
40 Keys, Doors, and Windows
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 037 orVehicle
Personalization 0165.
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. After
30 seconds, repeat
Steps 1 and 2 for a 10-minute
time extension.
Turn the ignition on 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 and 2 are
repeated while the engine is still
running. An extension can be
requested 30 seconds after starting.
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.
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. The doors
can be unlocked and
opened while the vehicle is
moving. The chance of
being thrown out of the
vehicle in a crash is
increased if the doors are
not locked. So, all
passengers should wear
seat belts properly and the
doors should be locked
whenever the vehicle is
driven.
(Continued)

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Keys, Doors, and Windows 41
Warning (Continued)
.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 or manual door locks. To lock
or unlock the door with the manual
locks, push down or pull up on the
manual lock knob. From inside, pull the door handle
once to unlock the door. Pull the
handle again to open the door.
See
Vehicle Alarm System 044.
Power Door Locks
Crew/Double Cab Premium Trim
Shown, Other Models Similar
Q:Press to lock the doors.
K:Press to unlock the doors.
Automatic Door Locks
The doors will lock automatically
when all doors are closed, the
ignition is on, and the vehicle is
shifted out of P (Park).
If a vehicle door is unlocked, and
then opened and closed, the doors
will lock either when your foot is
removed from the brake or the
vehicle speed becomes faster than
13 km/h (8 mph).
To unlock the doors:
.
Press
Kon the power door lock
switch.
. Shift the transmission into
P (Park).
Automatic door locking cannot be
disabled. Automatic door unlocking
can be programmed. See Vehicle
Personalization 0165.