2018 GMC YUKON XL seats

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
28 Keys, Doors, and Windows
If the vehicle has the Keyless
Access system, there is a key in the
transmitter.
This key is used for the driver door
and glove box. If the vehicle has the Keyless
Access system, the transmitter has
a button on the side of the
transmitter used to remove the key.
Do not pull the key out without
pressing the button.
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 0 400 . If locked out of the vehicle, see
Roadside Assistance Program
0 390 .
If equipped with memory seats, RKE
transmitters 1 and 2 are linked to
seating positions of memory 1 or 2.
See Memory Seats 0 64 .
Keys (Key Access)
{ WarningLeaving children in a vehicle with
an ignition key or Remote
Keyless Entry (RKE) transmitter is
dangerous and children or others
could be seriously injured or
killed. They could operate the
power window or other controls or
make the vehicle move. The
windows will function with the key
in the ignition or with the RKE
transmitter in the vehicle, 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 or an RKE
transmitter.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
30 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 driver door,
ignition, and glove box.
If equipped with memory seats,
keys 1 and 2 are linked to seating
positions of memory 1 or 2. See
Memory Seats 0 64 .
Programming Keys to the
Vehicle
Follow these procedures to program
up to eight keys to the vehicle. Programming with Two
Recognized Keys (Key
Vehicles Only)
To program a new key:
1. Insert the original, already
programmed key in the ignition
and turn the ignition on without
starting the engine.
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
without starting the engine.
4. Turn the ignition off and
remove the key.
5. Insert the new key to be
programmed, and within
five seconds, turn the ignition
on without starting the engine.
The security light will turn off
once the key has been
programmed.
6. 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 (Key Vehicles Only)
Program a new key to the vehicle
when a recognized key is not
available. Canadian regulations
require that Canadian 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 must be with you.
1. Insert the new vehicle key into
the ignition.
2. Turn the ignition on without
starting the engine. The
security light will come on.
3. Wait 10 minutes until the
security light turns off.
4. Turn the ignition off.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
Keys, Doors, and Windows 35of the liftgate or door being opened.
If the vehicle has this feature, there
will be a button on the outside door
handles.
Keyless Access can be
programmed to unlock all doors on
the first lock/unlock press from the
driver door. See Vehicle
Personalization 0 158 .
If equipped with memory seats, RKE
transmitters 1 and 2 are linked to
seating positions of memory 1 or 2.
See Memory Seats 0 64 .
Keyless Unlocking/Locking from
the Driver Door
When the doors are locked and the
RKE transmitter is within 1 m (3 ft)
of the door handle, pressing the
lock/unlock button on the driver door
handle will unlock the driver door.
If the lock/unlock button is pressed
again within five seconds, all
passenger doors and the liftgate will
unlock. Driver Side Shown, Passenger
Side Similar
Pressing the lock/unlock button will
cause all doors to lock if any of the
following occur:
.
It has been more than
five seconds since the first lock/
unlock button press.
.
Two lock/unlock button presses
were used to unlock all doors.
.
Any vehicle door has been
opened and all doors are now
closed. Keyless Unlocking/Locking from
the Passenger Doors
When the doors are locked and the
RKE transmitter is within 1 m (3 ft)
of the door handle, pressing the
lock/unlock button on a passenger
door handle will unlock all doors.
Pressing the lock/unlock button will
cause all doors to lock if any of the
following occur:
.
The lock/unlock button was used
to unlock all doors.
.
Any vehicle door has been
opened and all doors are now
closed.
Passive Locking
If equipped with Keyless Access,
this feature will lock the vehicle
several seconds after all doors are
closed, if the vehicle is off and at
least one RKE transmitter has been
removed from the interior, or none
remain in the interior.
If other electronic devices interfere
with the RKE transmitter signal, the
vehicle may not detect the RKE
transmitter inside the vehicle.
If passive locking is enabled, the

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
Keys, Doors, and Windows 371. Remove the key from the
recognized transmitter.
2. Place the two recognized
transmitters in the cupholder or
on the passenger seat.
3. Insert the vehicle key into the
key lock cylinder on the driver
door handle. Then turn the key
counterclockwise, to the unlock
position, five times within
10 seconds.
The Driver Information Center
(DIC) displays READY FOR
REMOTE#2, 3, 4, ETC.
4. Place the new transmitter in
the transmitter pocket/insert. Open the center console
storage area and the storage
tray. The transmitter pocket/
insert is in front of the storage
area next to the center console
storage area between the
driver and front passenger
seats.
5. Press ENGINE START/STOP.
When the transmitter is
learned, the DIC display will
show that it is ready to program
the next transmitter.
6. Remove the transmitter from
the transmitter pocket and
press
K or
Q on the
transmitter.
To program additional
transmitters, repeat Steps 4 – 6.
When all additional transmitters
are programmed, press and
hold ENGINE START/STOP for
approximately 12 seconds to
exit programming mode.
7. Return the key back into the
transmitter. Programming without Two
Recognized Transmitters (Keyless
Access Vehicles Only)
If two currently recognized
transmitters are not available, follow
this procedure to program up to
eight transmitters. This feature is
not available in Canada. This
procedure will take approximately
30 minutes to complete. The vehicle
must be off and all transmitters to
be programmed must be with you.
1. Remove the vehicle key from
the transmitter.
2. Insert the vehicle key into the
key lock cylinder on the driver
door handle; then turn the key
counterclockwise, to the unlock
position, five times within
10 seconds.
The Driver Information Center
(DIC) displays REMOTE
LEARN PENDING,
PLEASE WAIT.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
38 Keys, Doors, and Windows 3. Wait for 10 minutes until the
DIC displays PRESS ENGINE
START BUTTON TO LEARN,
then press ENGINE
START/STOP.
The DIC will again display
REMOTE LEARN PENDING,
PLEASE WAIT.
4. Repeat Step 3 two additional
times. After the third time all
previously known transmitters
will no longer work with the
vehicle. Remaining transmitters
can be relearned during the
next steps.
The DIC display should now
show READY FOR REMOTE
# 1. 5. Place the new transmitter in
the transmitter pocket/insert.
Open the center console
storage area and the storage
tray. The transmitter pocket/
insert is in front of the storage
area next to the center console
storage area between the
driver and front passenger
seats.
6. Press ENGINE START/STOP.
When the transmitter is
learned, the DIC display will
show that it is ready to program
the next transmitter. 7. Remove the transmitter from
the transmitter pocket/insert
and press
K or
Q on the
transmitter.
To program additional
transmitters, repeat Steps 5 – 7.
When all additional transmitters
are programmed, press and
hold ENGINE START/STOP for
approximately 12 seconds to
exit programming mode.
8. Return the key back into the
transmitter.
Starting the Vehicle with a Low
Transmitter Battery If the transmitter battery is weak or if
there is interference with the signal,
the DIC may display NO REMOTE
DETECTED or NO REMOTE KEY
WAS DETECTED PLACE KEY IN
TRANSMITTER POCKET THEN
START YOUR VEHICLE when
starting the vehicle.
To start the vehicle:
1. Open the center console
storage area and the
storage tray.

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
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
60 Seats and Restraints
Seats and
Restraints Head Restraints Head Restraints . . . . . . . . . . . . . . . 61
Front Seats Power Seat Adjustment . . . . . . . . 62
Lumbar Adjustment . . . . . . . . . . . . 63
Reclining Seatbacks . . . . . . . . . . . 63
Memory Seats . . . . . . . . . . . . . . . . . 64
Heated and Ventilated Front
Seats . . . . . . . . . . . . . . . . . . . . . . . . . 67
Rear Seats Rear Seats . . . . . . . . . . . . . . . . . . . . 68
Heated Rear Seats . . . . . . . . . . . . 69
Second Row Seats . . . . . . . . . . . . 69
Third Row Seats . . . . . . . . . . . . . . . 74
Seat Belts Seat Belts . . . . . . . . . . . . . . . . . . . . . 76
How to Wear Seat Belts
Properly . . . . . . . . . . . . . . . . . . . . . . 77
Lap-Shoulder Belt . . . . . . . . . . . . . 78
Seat Belt Use During
Pregnancy . . . . . . . . . . . . . . . . . . . . 82
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . 83
Seat Belt Extender . . . . . . . . . . . . . 83 Safety System Check . . . . . . . . . . 83
Seat Belt Care . . . . . . . . . . . . . . . . . 84
Replacing Seat Belt System
Parts after a Crash . . . . . . . . . . . 84
Airbag System Airbag System . . . . . . . . . . . . . . . . . 85
Where Are the Airbags? . . . . . . . 86
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . 88
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . 89
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 89
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . 90
Passenger Sensing System . . . 91
Servicing the Airbag-Equipped
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 95
Adding Equipment to the
Airbag-Equipped Vehicle . . . . . 95
Airbag System Check . . . . . . . . . . 96
Replacing Airbag System Parts
after a Crash . . . . . . . . . . . . . . . . . 96
Child Restraints Older Children . . . . . . . . . . . . . . . . . 97
Infants and Young Children . . . . 98
Child Restraint Systems . . . . . . 101
Where to Put the Restraint . . . 102 Lower Anchors and Tethers for
Children (LATCH System) . . . 104
Replacing LATCH System
Parts After a Crash . . . . . . . . . . 111
Securing Child Restraints (With
the Seat Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . 112
Securing Child Restraints (With
the Seat Belt in the Center
Front Seat) . . . . . . . . . . . . . . . . . . 114
Securing Child Restraints (With
the Seat Belt in the Front
Passenger Seat) . . . . . . . . . . . . 114