2018 GMC YUKON seat adjustment

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
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 . . . . . . . . . . . . 13
Third Row Seats . . . . . . . . . . . . . . . 13
Heated and Ventilated Seats . . . 13
Head Restraint Adjustment . . . . 13
Seat Belts . . . . . . . . . . . . . . . . . . . . . 14
Passenger Sensing System . . . 14
Mirror Adjustment . . . . . . . . . . . . . . 14
Steering Wheel Adjustment . . . . 15
Throttle and Brake Pedal Adjustment . . . . . . . . . . . . . . . . . . . 16
Interior Lighting . . . . . . . . . . . . . . . . 16
Exterior Lighting . . . . . . . . . . . . . . . 17
Windshield Wiper/Washer . . . . . . 18
Climate Controls . . . . . . . . . . . . . . . 18 Transmission . . . . . . . . . . . . . . . . . . 19
Four-Wheel Drive . . . . . . . . . . . . . . 19
Vehicle Features
Infotainment System . . . . . . . . . . . 20
Steering Wheel Controls . . . . . . . 20
Cruise Control . . . . . . . . . . . . . . . . . 21
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . 21
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . 21
Forward Automatic Braking (FAB) . . . . . . . . . . . . . . . . 22
Lane Keep Assist (LKA) . . . . . . . 22
Lane Change Alert (LCA) . . . . . . 22
Rear Vision Camera (RVC) . . . . 22
Rear Cross Traffic Alert (RCTA) System . . . . . . . . . . . . . . . . . . . . . . . 22
Parking Assist . . . . . . . . . . . . . . . . . 23
Power Outlets . . . . . . . . . . . . . . . . . 23
Universal Remote System . . . . . 23
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 24
Performance and Maintenance
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . 25
Tire Pressure Monitor . . . . . . . . . . 25
Fuel (L83 5.3L V8 Engine) . . . . . 26
Fuel (L86 6.2L V8 Engine) . . . . . 26
E85 or FlexFuel . . . . . . . . . . . . . . . . 26
Engine Oil Life System . . . . . . . . 26 Driving for Better Fuel
Economy . . . . . . . . . . . . . . . . . . . . . 27
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . 27

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
In Brief 7
1.Air Vents 0189.
2. Head-Up Display (HUD) 0157
(If Equipped).
3.
gTraction Control/Electronic
Stability Control 0234.
jPower Assist Steps 050 (If
Equipped).
XParking Assist Button (If
Equipped). See Assistance
Systems for Parking or Backing
0 248.
ALane Departure Warning
(LDW) 0256 (If Equipped).
0Pedal Adjust Switch (If
Equipped). See Adjustable
Throttle and Brake Pedal
0 209.
4. Turn Signal Lever. See Turn
and Lane-Change Signals
0 178.
Windshield Wiper/Washer
0 126. 5. Favorite Switches (Out of
View). See “Steering Wheel
Controls” in the infotainment
manual.
Volume Switches (Out of View).
See “Steering Wheel Controls”
in the infotainment manual.
6. Hazard Warning Flashers
0178.
7. Instrument Cluster 0136.
8. Shift Lever. See Automatic
Transmission 0220.
Tow/Haul Selector Button. See
Tow/Haul Mode 0225.
Range Selection Mode (If
Equipped). See Manual Mode
0 223.
9. Light Sensor. See Automatic
Headlamp System 0177.
10. Infotainment 0183.
11. Dual Automatic Climate Control
System 0184.
12. Heated and Ventilated Front
Seats 069 (If Equipped). 13. Rear Climate Control Buttons.
SeeRear Climate Control
System 0188.
14. Ignition Positions (Key Access)
0212 orIgnition Positions
(Keyless Access) 0210.
15. Steering Wheel Controls. See the infotainment manual.
16. Horn 0126.
17. Steering Wheel Adjustment
0126.
18. Hood Release. See Hood
0 283.
19. Cruise Control 0237.
Adaptive Cruise Control 0240
(If Equipped).
Forward Collision Alert (FCA)
System 0250 (If Equipped).
Heated Steering Wheel (If
Equipped) 0126 (If Equipped).
20. Trailer Brake Control Panel (If Equipped). See Towing
Equipment 0271.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
In Brief 11
Use the pull cup to lower and close
the liftgate. Do not press the touch
pad while closing the liftgate. This
will cause the liftgate to be
unlatched.
Power Liftgate Operation
If equipped with a power liftgate, the
switch is on the overhead console.
The vehicle must be in P (Park).
Choose the power liftgate mode by
selecting MAX or 3/4. Press
8on
the overhead console. On the RKE
transmitter press
btwice quickly.
Pressing and releasing
bwhile the
liftgate is moving stops the liftgate.
Pressing again reverses the
direction.
To close, press
lon the bottom
of the liftgate next to the latch.
To disable the power liftgate
function, select OFF on the liftgate
switch. See Liftgate045.
Windows
Power windows work when the
ignition is on, in ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active. See Retained
Accessory Power (RAP) 0216.
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.
Seat Adjustment
Power Seats
To 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.
See Power Seat Adjustment 064.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
12 In Brief
Reclining Seatbacks
To recline the seatback:
.Tilt the top of the control
rearward to recline.
. Tilt the top of the control forward
to raise.
See Reclining Seatbacks 065.
Lumbar Adjustment
To adjust the lumbar support:
.
If equipped, 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 065.
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.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
In Brief 13
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
Buntil 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 066.
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.
See
Second Row Seats 071.
Third Row Seats
Third row seatbacks can be folded.
See Third Row Seats 076.
Heated and Ventilated
Seats
The buttons are on the center stack
below the climate control system. To
operate, the engine must be
running. Press
Ito heat the driver or
passenger seatback only.
Press
Jto heat the driver or
passenger seat cushion and
seatback.
If equipped, press
Cto ventilate the
driver or passenger seat.
See Heated and Ventilated Front
Seats 069.
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 063 and
Power Seat Adjustment 064.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
14 In Brief
Seat Belts
Refer to the following sections for
important information on how to use
seat belts properly:
.Seat Belts 078.
. How to Wear Seat Belts Properly
079.
. Lap-Shoulder Belt 080.
. Lower Anchors and Tethers for
Children (LATCH System) 0107.
Passenger Sensing
System
United States
Canada and Mexico
The passenger sensing system will
turn off the front outboard
passenger frontal airbag under
certain conditions. No other airbag
is affected by the passenger
sensing system. See Passenger
Sensing System 093 The passenger airbag status
indicator will light on the overhead
console when the vehicle is started.
See
Passenger Airbag Status
Indicator 0145.
Mirror Adjustment
Interior Mirror
Adjustment
Adjust the rearview mirror for a clear
view of the area behind the vehicle.
Manual Rearview Mirror
Push the tab forward for daytime
use and pull it rearward for
nighttime use to avoid glare of the
headlamps from behind.
Automatic Dimming Rearview
Mirror
If equipped, the mirror automatically
dims to reduce the glare of
headlamps from behind. The
dimming feature comes on when the
vehicle is started.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
16 In Brief
Throttle and Brake Pedal
Adjustment
If equipped, the position of the
throttle and brake pedals can be
changed.
The switch used to adjust the
pedals is to the left of the steering
wheel.
Press the switch to the left to move
the pedals closer to your body.
Press the switch to the right to move
the pedals away.
SeeAdjustable Throttle and Brake
Pedal 0209. The vehicle may have a memory
function, which lets pedal settings
be saved and recalled. See
Memory
Seats 066.
Interior Lighting
Dome Lamps
There are dome lamps in the
overhead console and the headliner,
if equipped.
To change the dome lamp settings,
press the following:
OFF : Turns the lamps off, even
when a door is open. DOOR :
The lamps come on
automatically when a door is
opened.
ON : Turns all dome lamps on.
Reading Lamps
There are reading lamps in the
overhead console and the headliner,
if equipped. To operate, the ignition
must be on or in ACC/ACCESSORY
or using Retained Accessory
Power (RAP).

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
62 Seats and Restraints
Seats and
Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . 63
Front Seats
Power Seat Adjustment . . . . . . . . 64
Lumbar Adjustment . . . . . . . . . . . . 65
Reclining Seatbacks . . . . . . . . . . . 65
Memory Seats . . . . . . . . . . . . . . . . . 66
Heated and Ventilated FrontSeats . . . . . . . . . . . . . . . . . . . . . . . . . 69
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . 70
Heated Rear Seats (IfEquipped) . . . . . . . . . . . . . . . . . . . . 71
Second Row Seats . . . . . . . . . . . . 71
Third Row Seats . . . . . . . . . . . . . . . 76
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . 78
How to Wear Seat Belts Properly . . . . . . . . . . . . . . . . . . . . . . 79
Lap-Shoulder Belt . . . . . . . . . . . . . 80
Seat Belt Use During Pregnancy . . . . . . . . . . . . . . . . . . . . 84
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . 85 Seat Belt Extender . . . . . . . . . . . . . 85
Safety System Check . . . . . . . . . . 85
Seat Belt Care . . . . . . . . . . . . . . . . . 86
Replacing Seat Belt System
Parts after a Crash . . . . . . . . . . . 86
Airbag System
Airbag System . . . . . . . . . . . . . . . . . 87
Where Are the Airbags? . . . . . . . 89
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . 90
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . 91
How Does an Airbag Restrain? . . . . . . . . . . . . . . . . . . . . . 92
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . 92
Passenger Sensing System . . . 93
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . 98
Adding Equipment to the Airbag-Equipped Vehicle . . . . . 98
Airbag System Check . . . . . . . . . . 99
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . 99
Child Restraints
Older Children . . . . . . . . . . . . . . . . 100
Infants and Young Children . . . 101
Child Restraint Systems . . . . . . 104
Where to Put the Restraint . . . 105 Lower Anchors and Tethers for
Children (LATCH System) . . . 107
Replacing LATCH System Parts After a Crash . . . . . . . . . . 115
Securing Child Restraints (With
the Seat Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . 115
Securing Child Restraints (With the Seat Belt in the Center
Front Seat) . . . . . . . . . . . . . . . . . . 117
Securing Child Restraints (With the Seat Belt in the Front
Passenger Seat) . . . . . . . . . . . . 118