belt GMC YUKON 2023 Owners Manual

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
Introduction 3
A circle with a slash through it is a safety
symbol which means“Do not,” “Do not do
this,” or“Do not let this happen.”
Symbols
The vehicle has components and labels that
use symbols instead of text. Symbols are
shown along with the text describing the
operation or information relating to a
specific component, control, message, gauge,
or indicator.
M:Shown when the owner’s manual has
additional instructions or information.
*: Shown when the service manual has
additional instructions or information.
0: Shown when there is more information
on another page — “see page.” Vehicle Symbol Chart
Here are some additional symbols that may
be found on the vehicle and what they
mean. See the features in this manual for
information.
u:
Air Conditioning System
G:Air Conditioning Refrigerant Oil
9:Airbag Readiness Light
!:Antilock Brake System (ABS)
$:Brake System Warning Light
9:Dispose of Used Components Properly
P:Do Not Apply High Pressure Water
B:Engine Coolant Temperature
_:Flame/Fire Prohibited
H: Flammable
[:Forward Collision Alert
R:Fuse Block Cover Lock Location
+:Fuses
j:ISOFIX/LATCH System Child Restraints
Q:Keep Fuse Block Covers Properly
Installed
|: Lane Change Alert
@:Lane Departure Warning
A:Lane Keep Assist
*: Malfunction Indicator Lamp
::Oil Pressure
X:Park Assist
~:Pedestrian Ahead Indicator
O:Power
7:Rear Cross Traffic Alert
I:Registered Technician
/:Remote Vehicle Start
h:Risk of Electrical Fire
>:Seat Belt Reminders
I:Side Blind Zone Alert
h:Stop/Start
7:Tire Pressure Monitor

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
Keys, Doors, and Windows 15
Canceling a Remote Start
To cancel a remote start, do one of the
following:
.Press and holdSuntil 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.
.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 (Continued)
Warning (Continued)
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.
To lock or unlock the doors from outside the
vehicle:
.PressQorKon the remote key. See
Remote Key Operation 08.
.Use the mechanical key in the
driver door.
To lock or unlock the doors from inside the
vehicle:
.PressQorKon the power door lock
switch.
.Pulling an interior door handle will unlock
the door. Pulling the door handle again
unlatches it. Keyless Access
The remote key must be within 1 m (3 ft) of
the liftgate or door being opened or locked.
Press the button on the door handle to
open. See
“Keyless Access Operation” in
Remote Key Operation 08.
Free-Turning Locks
The door key lock cylinder turns freely when
either the wrong key is used, or the correct
key is not fully inserted. The free-turning
door lock feature prevents the lock cylinder
from being forced open. To reset the lock
cylinder, ensure the correct key is fully
inserted into the lock cylinder. Rotate the
key until you feel the lock cylinder click

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
36 Seats and Restraints
Seats and Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . 37
Front Seats
Power Seat Adjustment . . . . . . . . . . . . . . . . 39
Reclining Seatbacks . . . . . . . . . . . . . . . . . . . . 40
Lumbar Adjustment . . . . . . . . . . . . . . . . . . . . 40
Massage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Heated and Ventilated Front Seats . . . . . 44
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Second Row Seats . . . . . . . . . . . . . . . . . . . . . . 46
Heated Rear Seats . . . . . . . . . . . . . . . . . . . . . . 50
Third Row Seats . . . . . . . . . . . . . . . . . . . . . . . . 50
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Buckle To Drive . . . . . . . . . . . . . . . . . . . . . . . . . 55
How to Wear Seat Belts Properly . . . . . . . 55
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . 57
Seat Belt Use During Pregnancy . . . . . . . . 60
Seat Belt Extender . . . . . . . . . . . . . . . . . . . . . 60
Safety System Check . . . . . . . . . . . . . . . . . . . 60
Seat Belt Care . . . . . . . . . . . . . . . . . . . . . . . . . . 61Replacing Seat Belt System Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Airbag System
Airbag System . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Where Are the Airbags? . . . . . . . . . . . . . . . . 63
When Should an Airbag Inflate? . . . . . . . . 64
What Makes an Airbag Inflate? . . . . . . . . . 65
How Does an Airbag Restrain? . . . . . . . . . 65
What Will You See after an AirbagInflates? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Passenger Sensing System . . . . . . . . . . . . . . 67
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Adding Equipment to the Airbag-Equipped Vehicle . . . . . . . . . . . . . . 70
Airbag System Check . . . . . . . . . . . . . . . . . . . 71
Replacing Airbag System Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Child Restraints
Older Children . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Infants and Young Children . . . . . . . . . . . . . 73
Child Restraint Systems . . . . . . . . . . . . . . . . . 75
Where to Put the Restraint . . . . . . . . . . . . . 77
Lower Anchors and Tethers for Children(LATCH System) . . . . . . . . . . . . . . . . . . . . . . . 78
Replacing LATCH System Parts After a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 Securing Child Restraints (With the Seat
Belt in the Rear Seat) . . . . . . . . . . . . . . . . . 85
Securing Child Restraints (With the Seat Belt in the Center Front Seat) . . . . . . . . 87
Securing Child Restraints (With the Seat
Belt in the Front Passenger Seat) . . . . . 87

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
40 Seats and Restraints
Reclining Seatbacks
To recline the seatback:
.Tilt the top of the control rearward to
recline.
.Tilt the top of the control forward to
raise.
{Warning
Sitting in a reclined position when the
vehicle is in motion can be dangerous.
Even when buckled up, the seat belts
cannot do their job.(Continued)
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.
Lumbar Adjustment
To adjust the lumbar support, if equipped:
.Press and hold the front or rear of the
control to increase or decrease lumbar
support.
.If equipped, press and hold the top or
bottom of the control to raise or lower
lumbar support.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
Seats and Restraints 47
Warning (Continued)
motion. People in the vehicle could be
injured in a sudden stop or crash. Be sure
to return the seat to the passenger
seating position before driving the
vehicle. Push and pull on the seat to
make sure it is locked into place.
Caution
Folding a rear seat with the seat belts
still fastened may cause damage to the
seat or the seat belts. Always unbuckle
the seat belts and return them to their
normal stowed position before folding a
rear seat.
The second row seats can be folded for
additional cargo space or folded and
tumbled for easy entry and exit to the third
row seat.
Folding and Tumbling the Seat
To fold and tumble the seat: 1. Make sure that there is nothing under, in front of, or on the seat.
2. Lift the lever on the outboard side of theseat to release the seatback.
The seatback will fold forward to create
a flat load floor. If the seatback cannot fold flat, try
moving the front seat forward and/or
put the front seatback in the upright
position.
3. Lift the lever again to release the rear of
the seat from the floor. The seat will
tumble forward.
Folding and Tumbling the Seat from the
Third Row Seat
{Warning
Using the third row seating position
while the second row is folded, or folded
and tumbled, could cause injury in a
sudden stop or crash. Be sure to return (Continued)

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
48 Seats and Restraints
Warning (Continued)
the seat to the passenger seating
position. Push and pull on the seat to
make sure it is locked into place.
To fold and tumble the seat from the third
row seat: 1. Make sure that there is nothing under, in front of, or on the seat.
2. Pull the strap on the bottom rear of thesecond row seat to release the seatback.
The seatback will fold forward.
3. Pull the strap again to release the rear ofthe seat from the floor. The seat will
tumble forward.
Automatic Fold and Tumble Feature
{Warning
Do not leave the second row seat in a
tumbled position while the vehicle is in
motion. A tumbled seat is not locked.
It can move when the vehicle is in
motion. People in the vehicle could be
injured in a sudden stop or crash. Be sure
to return the seat to the passenger (Continued)
Warning (Continued)
seating position before driving the
vehicle. Push and pull on the seat to
make sure it is locked into place.
{Warning
Automatically folding and tumbling the
seat when someone is sitting in the seat,
could cause injury to the person sitting
there. Always make sure there is no one
sitting in the seat before pressing the
automatic seat release switch.
Caution
Folding a rear seat with the seat belts
still fastened may cause damage to the
seat or the seat belts. Always unbuckle
the seat belts and return them to their
normal stowed position before folding a
rear seat.
The vehicle must be in P (Park) for this
feature to work.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
Seats and Restraints 49
Folding and Tumbling the Seat
To fold and tumble the seat:1. Make sure that there is nothing under, in front of, or on the seat.
Driver Side Rear Panel Switch
2. Press the automatic seat release switch on the panel behind the rear doors. The
seatback automatically folds flat.
3. Press the switch again to release the rear of the seat from the floor. The seat will
tumble forward.
Folding and Tumbling the Second Row Seat
from the Cargo Area
The vehicle must be in P (Park) for this
feature to work.
1. Second Row Power Seat Fold and Tumble Switches
2. Third Row Power Seat Fold and Raise Switches
To fold and tumble the seat from the
cargo area:
1. Make sure that there is nothing under, in front of, or on the seat.
2. Press the switch (1) on the side trim of the cargo area to fold the second row
seatback.
The left switch folds the left seatback,
and the right switch folds the right
seatback. 3. Press the switch again to release the rear
of the seat from the floor. The seat will
tumble forward.
The switches (2) can be used to fold the
third row seatbacks from the cargo area. See
Third Row Seats 050.
Returning the Seat to the Sitting Position
{Warning
If either seatback is not locked, it could
move forward in a sudden stop or crash.
That could cause injury to the person
sitting there. Always push and pull on
the seatbacks to be sure they are locked.
To return the seat to the sitting position
from the tumbled position: 1. Pull the seat down until it latches to the floor. The seatback cannot be raised if
the seat is not latched to the floor.
2. Lift the seatback and push it rearward. Push and pull on the seatback to make
sure it is locked.
3. For the 60/40 split-bench seat, make sure the seat belt in the center seating
position is not caught between the two
seats and is not twisted.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
50 Seats and Restraints
Heated Rear Seats
{Warning
If temperature change or pain to the skin
cannot be felt, the seat heater may cause
burns. See the Warning underHeated
and Ventilated Front Seats 044.
If equipped, the buttons are on the rear of
the center console.
With the engine running, press
MorLto
heat the left or right outboard seat cushion.
An indicator on the rear climate control
display appears when this feature is on. Press the button once for the highest
setting. With each press of the button, the
seat will change to the next lower setting,
and then to the off setting. The indicator
lights next to the buttons indicate three for
the highest setting and one for the lowest.
If the heated seats are on high for
30 minutes, their level may automatically be
lowered.
Third Row Seats
Caution
Folding a rear seat with the seat belts
still fastened may cause damage to the
seat or the seat belts. Always unbuckle
the seat belts and return them to their
normal stowed position before folding a
rear seat.
The third row seatbacks can be folded to
increase cargo space. 1. Open the liftgate to access the controls for the third row seat.
2. Make sure that there is nothing under, in front of, or on the seat.
3. If the second row seat is in the full rear position, adjust it forward to allow the
third row seat to fold fully flat.4. Disconnect the rear seat belt mini-latch,using a key in the slot on the
mini-buckle, and let the belt retract into
the headliner.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
Seats and Restraints 51
5. Stow the mini-latch in the holder in theheadliner.
6. Stow the seat belt in the beltstowage clip.
Repeat the steps to fold the other
seatback, if desired.
Power Seatback Folding (If Equipped)
The vehicle must be in P (Park) for this
feature to work.
1. Second Row Power Seat Fold and Tumble Switches
2. Third Row Power Seat Fold and Raise Switches
1. Press and hold the switch (2) on the sidetrim of the cargo area to fold the third
row seatback.
The left switch folds the left seatback,
and the right switch folds the right
seatback.
2. Repeat the steps for the other seatback, if desired.
The switches (1) can be used to fold or fold
and tumble the second row seats from the
cargo area. See Second Row Seats 046. Returning the Third Row Seatback to the
Upright Position
1. Second Row Power Seat Fold and
Tumble Switches
2. Third Row Power Seat Fold and Raise Switches

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
52 Seats and Restraints
To return the third row seatback to the
upright position:
1. Ensure the seat belt is in the beltstowage clip.
2. Open the liftgate to access the controls for the seat.
3. Press and hold the switch (2) on the side trim of the cargo area to raise the third
row seatback.
The left switch raises the left seatback,
and the right switch raises the right
seatback.
{Warning
A seat belt that is improperly routed, not
properly attached, or twisted will not
provide the protection needed in a crash.
The person wearing the belt could be
seriously injured. After raising the rear
seatback, always check to be sure that
the seat belts are properly routed and
attached, and are not twisted.
4. Reconnect the center seat belt mini-latch to the mini-buckle. Do not let it twist.
5. Pull on the seat belt to be sure the mini-latch is secure.
6. Repeat the steps for the other seatback, if desired.
Manual Seatback Folding (If Equipped)
1. Pull up on the lever to release theseatback.
2. Push the seatback forward to lay flat.
3. Repeat for the other seatback, if necessary.