2018 GMC YUKON XL driver seat adjustment

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
In Brief 5
In Brief Instrument Panel Instrument Panel . . . . . . . . . . . . . . . . 6
Initial Drive Information Initial Drive Information . . . . . . . . . . 8
Remote Keyless Entry (RKE)
System . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . . 9
Door Locks . . . . . . . . . . . . . . . . . . . . . 9
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . 10
Windows . . . . . . . . . . . . . . . . . . . . . . . 11
Seat Adjustment . . . . . . . . . . . . . . . 11
Memory Features . . . . . . . . . . . . . . 12
Second Row Seats . . . . . . . . . . . . 12
Third Row Seats . . . . . . . . . . . . . . . 13
Heated and Ventilated Seats . . . 13
Head Restraint Adjustment . . . . 13
Seat Belts . . . . . . . . . . . . . . . . . . . . . 13
Passenger Sensing System . . . 14
Mirror Adjustment . . . . . . . . . . . . . . 14
Steering Wheel Adjustment . . . . 15
Throttle and Brake Pedal
Adjustment . . . . . . . . . . . . . . . . . . . 15
Interior Lighting . . . . . . . . . . . . . . . . 16
Exterior Lighting . . . . . . . . . . . . . . . 16
Windshield Wiper/Washer . . . . . . 17
Climate Controls . . . . . . . . . . . . . . . 18
Transmission . . . . . . . . . . . . . . . . . . 18 Four-Wheel Drive . . . . . . . . . . . . . . 19
Vehicle Features Infotainment System . . . . . . . . . . . 20
Steering Wheel Controls . . . . . . . 20
Cruise Control . . . . . . . . . . . . . . . . . 20
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . 20
Forward Collision Alert (FCA)
System . . . . . . . . . . . . . . . . . . . . . . . 21
Forward Automatic
Braking (FAB) . . . . . . . . . . . . . . . . 21
Lane Keep Assist (LKA) . . . . . . . 21
Lane Change Alert (LCA) . . . . . . 21
Rear Vision Camera (RVC) . . . . 22
Rear Cross Traffic Alert (RCTA)
System . . . . . . . . . . . . . . . . . . . . . . . 22
Parking Assist . . . . . . . . . . . . . . . . . 22
Power Outlets . . . . . . . . . . . . . . . . . 22
Universal Remote System . . . . . 23
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 23
Performance and Maintenance Traction Control/Electronic
Stability Control . . . . . . . . . . . . . . 24
Tire Pressure Monitor . . . . . . . . . . 24
Fuel (L83 5.3L V8 Engine) . . . . . 25
Fuel (L86 6.2L V8 Engine) . . . . . 25
E85 or FlexFuel . . . . . . . . . . . . . . . . 25
Engine Oil Life System . . . . . . . . 25 Driving for Better Fuel
Economy . . . . . . . . . . . . . . . . . . . . . 26
Roadside Assistance
Program . . . . . . . . . . . . . . . . . . . . . . 26

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
12 In Brief Lumbar Adjustment
To adjust the lumbar support:
.
Press and hold the control
forward to increase or rearward
to decrease upper and lower
lumbar support at the same time.
.
Press and hold the control up to
increase upper lumbar support
and decrease lower lumbar
support.
Press and hold the control down
to increase lower lumbar support
and decrease upper lumbar
support.
See Lumbar Adjustment 0 63 .Memory Features
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.
When Auto Memory Recall is
enabled in vehicle personalization,
positions previously stored to
memory buttons 1 and 2 are
recalled when the ignition is
changed from off to on or ACC/
ACCESSORY.
When Easy Exit Options is enabled
in vehicle personalization, the
feature automatically recalls the
previously stored exit position when
exiting the vehicle. See Memory
Seats 0 64 .
Second Row Seats The second row seatbacks can be
folded for additional cargo space,
or the seats can be folded and
tumbled for easy entry/exit to the
third row seats. The seatbacks also
recline.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
In Brief 13See Second Row Seats 0 69 .
Third Row Seats Third row seatbacks can be folded.
See Third Row Seats 0 74 .
Heated and Ventilated
Seats
The buttons are on the center stack
below the climate control system. To
operate, the engine must be
running.
Press
I to heat the driver or
passenger seatback only. Press
J to heat the driver or
passenger seat cushion and
seatback.
Press
C to ventilate the driver or
passenger seat.
See Heated and Ventilated Front
Seats 0 67 .
Head Restraint
Adjustment Do not drive until the head restraints
for all occupants are installed and
adjusted properly.
To achieve a comfortable seating
position, change the seatback
recline angle as little as necessary
while keeping the seat and the head
restraint height in the proper
position.
See Head Restraints 0 61 and
Power Seat Adjustment 0 62 .Seat Belts
Refer to the following sections for
important information on how to use
seat belts properly:
.
Seat Belts 0 76 .
.
How to Wear Seat Belts Properly
0 77 .
.
Lap-Shoulder Belt 0 78 .
.
Lower Anchors and Tethers for
Children (LATCH System) 0 104 .

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
62 Seats and Restraints Second Row Seats The vehicle's second row seats
have head restraints in the outboard
seating positions that cannot be
adjusted.
The second row seat outboard head
restraints are not removable.
Third Row Seats
The third row seat head restraint
can be lowered to allow for better
visibility when the rear seat is
unoccupied. To lower the head restraint, press
the button located on the top of the
seatback and push the head
restraint down.
Return the lowered head restraint to
the upright position until it locks into
place. Push and pull on the head
restraint to make sure it is locked.
If you are installing a child restraint
in the third row seat, see “ Securing
a Child Restraint Designed for the
LATCH System ” under Lower
Anchors and Tethers for Children
(LATCH System) 0 104 .Front Seats Power Seat Adjustment
{ WarningYou can lose control of the
vehicle if you try to adjust a driver
seat while the vehicle is moving.
Adjust the driver seat only when
the vehicle is not moving.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
Seats and Restraints 63To adjust the seat:
.
Move the seat forward or
rearward by sliding the control
forward or rearward.
.
Raise or lower the front part of
the seat cushion by moving the
front of the control up or down.
.
Raise or lower the seat by
moving the rear of the control up
or down.
To adjust the seatback, see
Reclining Seatbacks 0 63 .
To adjust the lumbar support, see
Lumbar Adjustment 0 63 .
Some vehicles are equipped with a
feature that activates a vibrating
pulse alert in the driver seat to help
the driver avoid crashes. See Driver
Assistance Systems 0 242 .Lumbar Adjustment
To adjust the lumbar support:
.
Press and hold the control
forward to increase or rearward
to decrease upper and lower
lumbar support at the same time.
.
Press and hold the control up to
increase upper lumbar support
and decrease lower lumbar
support.
Press and hold the control down
to increase lower lumbar support
and decrease upper lumbar
support. 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)

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
80 Seats and Restraints Before a door is closed, be sure the
seat belt is out of the way. If a door
is slammed against a seat belt,
damage can occur to both the seat
belt and the vehicle.
Shoulder Belt Height Adjuster The vehicle has a shoulder belt
height adjuster for the driver and
front outboard passenger positions.
Adjust the height so the shoulder
portion of the belt is on the shoulder
and not falling off of it. The belt
should be close to, but not
contacting, the neck. Improper
shoulder belt height adjustment
could reduce the effectiveness of
the seat belt in a crash. See How to
Wear Seat Belts Properly 0 77 . Push down on the release button to
move the height adjuster to the
desired position.
Move the adjuster up by pushing up
on the shoulder belt guide.
After the adjuster is set to the
desired position, try to move it down
without pushing the release button
to make sure it has locked into
position.
Seat Belt Pretensioners
This vehicle has seat belt
pretensioners for front outboard
occupants. Although the seat belt
pretensioners cannot be seen, they
are part of the seat belt assembly. They can help tighten the seat belts
during the early stages of a
moderate to severe frontal, near
frontal, or rear crash if the threshold
conditions for pretensioner
activation are met. Seat belt
pretensioners can also help tighten
the seat belts in a side crash or a
rollover event.
Pretensioners work only once. If the
pretensioners activate in a crash,
the pretensioners and probably
other parts of the vehicle's seat belt
system will need to be replaced.
See Replacing Seat Belt System
Parts after a Crash 0 84 .
Do not sit on the outboard seat belt
while entering or exiting the vehicle
or at any time while sitting in the
seat. Sitting on the seat belt can
damage the webbing and hardware.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
122 Instruments and Controls
Instruments and
Controls Controls Steering Wheel Adjustment . . . 123
Steering Wheel Controls . . . . . . 123
Heated Steering Wheel . . . . . . . 123
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Windshield Wiper/Washer . . . . 123
Rear Window Wiper/
Washer . . . . . . . . . . . . . . . . . . . . . 125
Compass . . . . . . . . . . . . . . . . . . . . . 126
Clock . . . . . . . . . . . . . . . . . . . . . . . . . 126
Power Outlets . . . . . . . . . . . . . . . . 127
Wireless Charging . . . . . . . . . . . . 129
Warning Lights, Gauges, and
Indicators Warning Lights, Gauges, and
Indicators . . . . . . . . . . . . . . . . . . . 132
Instrument Cluster . . . . . . . . . . . . 133
Speedometer . . . . . . . . . . . . . . . . . 136
Odometer . . . . . . . . . . . . . . . . . . . . . 136
Trip Odometer . . . . . . . . . . . . . . . . 136
Tachometer . . . . . . . . . . . . . . . . . . . 136
Fuel Gauge . . . . . . . . . . . . . . . . . . . 137
Engine Oil Pressure
Gauge . . . . . . . . . . . . . . . . . . . . . . 137 Engine Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 138
Transmission Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 139
Voltmeter Gauge . . . . . . . . . . . . . 140
Seat Belt Reminders . . . . . . . . . 140
Airbag Readiness Light . . . . . . . 141
Passenger Airbag Status
Indicator . . . . . . . . . . . . . . . . . . . . 142
Charging System Light . . . . . . . 142
Malfunction Indicator Lamp
(Check Engine Light) . . . . . . . . 143
Brake System Warning
Light . . . . . . . . . . . . . . . . . . . . . . . . 145
Antilock Brake System (ABS)
Warning Light . . . . . . . . . . . . . . . 145
Four-Wheel-Drive Light . . . . . . . 146
Tow/Haul Mode Light . . . . . . . . . 146
Lane Keep Assist (LKA)
Light . . . . . . . . . . . . . . . . . . . . . . . . 146
Vehicle Ahead Indicator . . . . . . 146
Traction Off Light . . . . . . . . . . . . . 147
StabiliTrak OFF Light . . . . . . . . . 147
Traction Control System (TCS)/
StabiliTrak Light . . . . . . . . . . . . . 147
Engine Coolant Temperature
Warning Light . . . . . . . . . . . . . . . 148
Tire Pressure Light . . . . . . . . . . . 148
Engine Oil Pressure Light . . . . 149
Low Fuel Warning Light . . . . . . 149
Security Light . . . . . . . . . . . . . . . . . 149 High-Beam On Light . . . . . . . . . . 149
Front Fog Lamp Light . . . . . . . . . 150
Lamps On Reminder . . . . . . . . . 150
Cruise Control Light . . . . . . . . . . 150
Door Ajar Light . . . . . . . . . . . . . . . 150
Information Displays Driver Information
Center (DIC) . . . . . . . . . . . . . . . . 151
Head-Up Display (HUD) . . . . . . 154
Vehicle Messages Vehicle Messages . . . . . . . . . . . . 157
Engine Power Messages . . . . . 158
Vehicle Speed Messages . . . . . 158
Vehicle Personalization Vehicle Personalization . . . . . . . 158
Universal Remote System Universal Remote System . . . . 166
Universal Remote System
Programming . . . . . . . . . . . . . . . 166
Universal Remote System
Operation . . . . . . . . . . . . . . . . . . . 168

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/21/17
Index 421Service (cont'd)
Publications Ordering
Information . . . . . . . . . . . . . . . . . . 395
Scheduling Appointments . . . . . 392
Services
Special Application . . . . . . . . . . . 376
Servicing the Airbag . . . . . . . . . . . . . 95
Shift Lock Control Function
Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . 302
Shifting
Into Park . . . . . . . . . . . . . . . . . . . . . . 212
Out of Park . . . . . . . . . . . . . . . . . . . 213
Side Blind Zone Alert (SBZA) . . . 250
Signals, Turn and
Lane-Change . . . . . . . . . . . . . . . . . 174
Special Application Services . . . . 376
Specifications and
Capacities . . . . . . . . . . . . . . . . . . . . . 384
Speedometer . . . . . . . . . . . . . . . . . . . 136
StabiliTrak
OFF Light . . . . . . . . . . . . . . . . . . . . . 147
Start Assist, Hill . . . . . . . . . . . . . . . . . 229
Start Vehicle, Remote . . . . . . . . . . . 39
Starter Switch Check . . . . . . . . . . . 302
Starting the Engine . . . . . . . . . . . . . 209
Steering . . . . . . . . . . . . . . . . . . . . . . . . 191
Heated Wheel . . . . . . . . . . . . . . . . 123 Steering (cont'd)
Wheel Adjustment . . . . . . . . . . . . 123
Wheel Controls . . . . . . . . . . . . . . . 123
Steps
Power Assist . . . . . . . . . . . . . . . . . . . 48
Storage
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . .119
Storage Areas
Armrest . . . . . . . . . . . . . . . . . . . . . . . .119
Center Console . . . . . . . . . . . . . . . 120
Convenience Net . . . . . . . . . . . . . 120
Glove Box . . . . . . . . . . . . . . . . . . . . .118
Instrument Panel . . . . . . . . . . . . . .118
Roof Rack System . . . . . . . . . . . . 120
Sunglasses . . . . . . . . . . . . . . . . . . . .119
Storage Compartments . . . . . . . . . 118
Struts
Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
Stuck Vehicle . . . . . . . . . . . . . . . . . . . 200
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . 58
Sunglass Storage . . . . . . . . . . . . . . . 119
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3
System
Forward Collision
Alert (FCA) . . . . . . . . . . . . . . . . . . 246
Infotainment . . . . . . . . . . . . . 179, 399
Noise Control . . . . . . . . . . . . . . . . . 301 System (cont'd)
Roof Rack . . . . . . . . . . . . . . . . . . . . 120
Systems
Driver Assistance . . . . . . . . . . . . . 242
T Tachometer . . . . . . . . . . . . . . . . . . . . . 136
Text Telephone (TTY) Users . . . . 389
Theft-Deterrent Systems . . . . . . . . . 51
Immobilizer . . . . . . . . . . . . . . . . . . . . . 51
Third-Row Seats . . . . . . . . . . . . . . . . . 74
Throttle, Adjustable . . . . . . . . . . . . . 205
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320
All-Season . . . . . . . . . . . . . . . . . . . . 321
All-Terrain . . . . . . . . . . . . . . . . . . . . 322
Buying New Tires . . . . . . . . . . . . . 335
Chains . . . . . . . . . . . . . . . . . . . . . . . . 340
Changing . . . . . . . . . . . . . . . . . . . . . 342
Designations . . . . . . . . . . . . . . . . . 324
Different Size . . . . . . . . . . . . . . . . . 337
Full-Size Spare . . . . . . . . . . . . . . . 350
If a Tire Goes Flat . . . . . . . . . . . . 341
Inspection . . . . . . . . . . . . . . . . . . . . 333
Low Profile . . . . . . . . . . . . . . . . . . . 322
Pressure . . . . . . . . . . . . . . . . . 327, 328
Pressure Light . . . . . . . . . . . . . . . . 148
Pressure Monitor Operation . . 330
Pressure Monitor System . . . . . 329