ignition GMC YUKON XL 2018 User Guide

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
32 Keys, Doors, and Windows
/ : Press and release
Q , then
immediately press and hold
/ until
the turn signal lamps flash or for at
least four seconds. The engine may
be started from outside the vehicle
using the RKE transmitter. See
Remote Vehicle Start 0 39 .
Q : Press to lock all doors.
If enabled, the turn signal lamps
flash once to indicate locking has
occurred. If enabled, the horn chirps
when
Q is pressed again within
three seconds. See Vehicle
Personalization 0 158 .
Pressing
Q arms the alarm system.
See Vehicle Alarm System 0 49 .
If equipped with auto mirror folding,
pressing and holding
Q for
one second will fold the mirrors,
if enabled. See Vehicle
Personalization 0 158 .
K : Press once to unlock only the
driver door. If
K is pressed again
within three seconds, all remaining
doors unlock. The interior lamps may come on and stay on for
20 seconds or until the ignition is
turned on.
If enabled, the turn signal lamps
flash twice to indicate unlocking has
occurred. If enabled, the exterior
lamps may turn on. See Vehicle
Personalization 0 158 .
Pressing
K on the RKE transmitter
disarms the alarm system. See
Vehicle Alarm System 0 49 .
If equipped with auto mirror folding,
pressing and holding
K for
one second will unfold the mirrors,
if enabled. See Vehicle
Personalization 0 158 .
Press and hold
K until the windows
fully open, if enabled. See Vehicle
Personalization 0 158 .
b : Press twice to open or close
the liftgate. Press once to stop the
liftgate from moving.
c : Press twice to open the
liftglass. 7 : Press and release to initiate the
vehicle locator. The turn signal
lamps flash and the horn sounds
three times.
Press and hold
7 for more than
three seconds to activate 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
7is 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.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
34 Keys, Doors, and Windows
/ : Press and release
Q , then
immediately press and hold
/ until
the turn signal lamps flash or for at
least four seconds. The engine may
be started from outside the vehicle
using the RKE transmitter. See
Remote Vehicle Start 0 39 .
Q : Press to lock all doors.
If enabled, the turn signal lamps
flash once on the second press to
indicate locking has occurred.
If enabled, the horn chirps when
Qis pressed again within
three seconds. See Vehicle
Personalization 0 158 .
If the driver door is open when
Q is
pressed, all doors will lock and then
the driver door will immediately
unlock, if enabled. See Vehicle
Personalization 0 158 .
If the passenger door is open when
Q is pressed, all doors lock.
Pressing
Q arms the alarm system.
See Vehicle Alarm System 0 49 . If equipped with auto mirror folding,
pressing and holding
Q for
one second will fold the mirrors,
if enabled. See Vehicle
Personalization 0 158 .
K : Press once to unlock only the
driver door. If
K is pressed again
within three seconds, all remaining
doors unlock. The interior lamps
may come on and stay on for
20 seconds or until the ignition is
turned on.
If enabled, the turn signal lamps
flash twice to indicate unlocking has
occurred. If enabled, the exterior
lamps may turn on. See Vehicle
Personalization 0 158 .
Pressing
K on the RKE transmitter
disarms the alarm system. See
Vehicle Alarm System 0 49 .
If equipped with auto mirror folding,
pressing and holding
K for
one second will unfold the mirrors,
if enabled. See Vehicle
Personalization 0 158 . Press and hold
K until the windows
fully open, if remote window
operation is enabled. See Vehicle
Personalization 0 158 .
b : Press twice to open or close
the liftgate. Press once to stop the
liftgate from moving.
c : Press twice to open the
liftglass.
7 : Press and release to initiate
vehicle locate. The turn signal
lamps flash and the horn sounds
three times.
Press and hold
7 for more than
three seconds to activate 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
7is pressed again. The ignition must
be off for the panic alarm to work.
Keyless Access Operation
The Keyless Access system allows
for doors and the liftgate to be
accessed without pressing the RKE
transmitter button. The RKE
transmitter must be within 1 m (3 ft)

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
40 Keys, Doors, and Windows The rear defog and heated and
ventilated seats may also come on.
See Heated and Ventilated Front
Seats 0 67 and Vehicle
Personalization 0 158 .
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 RKE 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 0 31 or Vehicle
Personalization 0 158 .
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
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.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
42 Keys, Doors, and Windows does not reset the lock, turn the key
halfway around in the cylinder and
repeat the reset procedure.
Power Door Locks Press
Q or
K on the Remote
Keyless Entry (RKE) transmitter.
See Remote Keyless Entry (RKE)
System Operation (Key Access)
0 31 or Remote Keyless Entry
(RKE) System Operation (Keyless
Access) 0 33 .
Q : Press to lock the doors.
K : Press to unlock the doors. Delayed Locking This feature delays the locking of
the doors until five seconds after all
doors are closed.
Delayed locking can only be turned
on when the Unlocked Door
Anti-Lockout feature has been
turned off.
When
Q is pressed on the power
door lock switch while the door is
open, a chime will sound three
times indicating delayed locking is
active.
The doors will lock automatically
five seconds after all doors are
closed. If a door is reopened before
that time, the five-second timer will
reset when all doors are closed
again.
Press
Q on the door lock switch
again or press
Q on the RKE
transmitter to lock the doors
immediately.
This feature can be programmed.
See “ Delayed Door Lock ” under
Vehicle Personalization 0 158 .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
K on 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 0 158 .
Lockout Protection Key Access : When locking is
requested with the driver door open
and the key in the ignition, all the
doors will lock and then the driver
door will unlock.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
Keys, Doors, and Windows 51The inclination sensor can set off
the alarm if it senses movement of
the vehicle, such as a change in
vehicle orientation.
The intrusion sensor monitors the
vehicle interior, and can activate the
alarm if it senses unauthorized entry
into the vehicle ’ s interior. Do not
allow passengers or pets to remain
in the vehicle when the intrusion
sensor is activated.
Before arming the theft-deterrent
system and activating the intrusion
sensor:
.
Make sure all doors and
windows are completely closed.
.
Secure any loose items such as
a sunshades.
.
Make sure there are no
obstructions blocking the
sensors in the front overhead
console.
.
Close DVD screens before
leaving the vehicle. Intrusion and Inclination
Sensors Disable Switch
It is recommended that the intrusion
and inclination sensors be
deactivated if pets are left in the
vehicle or the vehicle is being
transported.
With the vehicle off, press
o in
the front overhead console to turn
off the feature.
The indicator light will come on
momentarily, indicating that these
sensors have been disabled until
the next time the alarm system is
armed. Immobilizer See Radio Frequency Statement
0 396 .
Immobilizer Operation
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the vehicle is
turned off.
The system is automatically
disarmed when the ignition is turned
from off to on.
The security light, in the instrument
cluster, comes on if there is a
problem with arming or disarming
the theft-deterrent system.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
52 Keys, Doors, and Windows When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
ignition off and try again.
If the engine still does not start, and
the key appears to be undamaged,
try another ignition key. It may be
necessary to check the fuse. See
Fuses and Circuit Breakers 0 309 .
If the engine still does not start with
the other key, the vehicle needs
service. If the vehicle does start, the
first key may be faulty. See your
dealer. It is possible for the immobilizer
system to learn new or replacement
keys. Up to eight keys can be
programmed for the vehicle. To
program additional keys, see Keys
(Keyless Access) 0 27 or Keys (Key
Access) 0 28 . To program additional
transmitters, see your dealer.
Do not leave the key or device that
disarms or deactivates the vehicle
theft system in the vehicle.
See your dealer to get a new key
blank cut exactly as the ignition key
that operates the system. Exterior Mirrors Convex Mirrors
{ WarningA convex mirror can make things,
like other vehicles, look farther
away than they really are. If you
cut too sharply into the right lane,
you could hit a vehicle on the
right. Check the inside mirror or
glance over your shoulder before
changing lanes.
The passenger side mirror is convex
shaped. A convex mirror's surface is
curved so more can be seen from
the driver seat.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
Keys, Doors, and Windows 551. When the approaching vehicle
is a long distance away, the
image in the main mirror is
small and near the inboard
edge of the mirror.
2. As the vehicle gets closer, the
image in the main mirror gets
larger and moves outboard.
3. As the vehicle enters the blind
zone, the image transitions
from the main mirror to the
blind spot mirror.
4. When the vehicle is in the blind
zone, the image only appears
in the blind spot mirror.
Using the Outside Mirror with
the Blind Spot Mirror 1. Set the main mirror so that the
side of the vehicle can just be
seen and the blind spot mirror
has an unobstructed view.
2. When checking for traffic or
before changing a lane, look at
the main driver/passenger side
mirror to observe traffic in the
adjacent lane, behind your
vehicle. Check the blind spot
mirror for a vehicle in the blind zone. Then, glance over your
shoulder to double check
before moving slowly into the
adjacent lane.
Reverse Tilt Mirrors If equipped with memory seats, the
passenger and/or driver mirror tilts
to a preselected position when the
vehicle is in R (Reverse). This
allows the curb to be seen when
parallel parking.
The mirror(s) return to the original
position when:
.
The vehicle is shifted out of
R (Reverse), or remains in
R (Reverse) for about
30 seconds.
.
The ignition is turned off.
.
The vehicle is driven in
R (Reverse) above a set speed.
To turn this feature on or off, see
Vehicle Personalization 0 158 .Interior Mirrors Interior Rearview Mirrors Adjust the rearview mirror for a clear
view of the area behind your
vehicle.
If equipped with OnStar, the vehicle
may have three control buttons at
the bottom of the mirror. See your
dealer for more information about
OnStar and how to subscribe to it.
See OnStar Overview 0 400 .
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.
Manual Rearview Mirror If equipped with a manual rearview
mirror, push the tab forward for
daytime use and pull it for nighttime
use to avoid glare from the
headlamps from behind.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
Keys, Doors, and Windows 57
The power windows work when the
ignition is on, in ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active. See Retained
Accessory Power (RAP) 0 212 .
Using the window switch, press to
open or pull to close the window.
The windows may be temporarily
disabled if they are used repeatedly
within a short time.
Window Lockout
This feature stops the rear
passenger window switches from
working. .
Press
Z to engage the rear
window lockout feature. The
indicator light is on when
engaged.
.
Press
Z again to disengage.
Window Express Movement All windows can be opened without
holding the window switch. Press
the switch down fully and quickly
release to express open the
window.
If equipped, pull the window switch
up fully and quickly release to
express close the window. Briefly press or pull the window
switch in the same direction to stop
that window ’ s express movement.
Window Automatic Reversal
System The express-close feature will
reverse window movement if it
comes in contact with an object.
Extreme cold or ice could cause the
window to auto-reverse. The
window will operate normally after
the object or condition is removed.
Automatic Reversal System
Override
{ Warning
If automatic reversal system
override is active, the window will
not reverse automatically. You or
others could be injured and the
window could be damaged.
Before using automatic reversal
system override, make sure that
all people and obstructions are
clear of the window path.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
58 Keys, Doors, and Windows When the engine is on, override the
automatic reversal system by pulling
and holding the window switch if
conditions prevent it from closing.
Programming the Power
Windows Programming may be necessary if
the vehicle battery has been
disconnected or discharged. If the
window is unable to express-up,
program each express-close
window:
1. Close all doors.
2. Turn the ignition on or to ACC/
ACCESSORY.
3. Partially open the window to be
programmed. Then close it and
continue to pull the switch
briefly after the window has
fully closed.
4. Open the window and continue
to press the switch briefly after
the window has fully opened. Sun Visors
Pull the sun visor down to block
glare. Detach the sun visor from the
center mount to pivot to the side
window and, if equipped, extend
along the rod. Roof Sunroof
1. SLIDE Switch
2. TILT Switch
If equipped, the sunroof only
operates when the ignition is on or
in ACC/ACCESSORY, or when
Retained Accessory Power (RAP) is
active. See Retained Accessory
Power (RAP) 0 212 .

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
64 Seats and Restraints Warning (Continued)The shoulder belt will not be
against your body. Instead, it will
be in front of you. In a crash, you
could go into it, receiving neck or
other injuries.
The lap belt could go up over
your abdomen. The belt forces
would be there, not at your pelvic
bones. This could cause serious
internal injuries.
For proper protection when the
vehicle is in motion, have the
seatback upright. Then sit well
back in the seat and wear the
seat belt properly. Do not have a seatback reclined if
the vehicle is moving.
Memory Seats If equipped, memory seats allow two
drivers to store and recall their
unique seat positions for driving the
vehicle, and a shared exit position
for getting out of the vehicle. Other
feature positions may also be set,
such as power mirrors, power
steering wheel, and adjustable
pedals, if equipped. Memory
positions are linked to RKE
transmitter 1 or 2 for automatic
memory recalls.
Before storing, adjust all available
memory feature positions. Turn the
ignition on and then press and
release SET; a beep will sound.
Then immediately press and hold 1,
2, or
B (Exit) on the driver door
until two beeps sound. To manually
recall these positions, press and
hold 1, 2, or
B until the saved
position is reached.
The vehicle identifies the current
driver ’ s RKE transmitter number
(1 – 8).