Page 17 of 518

Black plate (11,1)GMC Yukon/Yukon XL Owner Manual - 2012
In Brief 1-11
Heated and Ventilated
Seats
Heated and Cooled Seat ButtonsShown, Heated Seat Buttons Similar
If available, the buttons are on the
front doors.
H: If available, press to cool
the seat.
I: Press to heat the
seatback only.
J: Press to heat the seat and
seatback. 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 lights indicate
three for the highest setting and one
for the lowest.
See
Heated and Ventilated Front
Seats on page 3‑9.
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.
For more information see Head
Restraints on page 3‑2 andSeat
Adjustment on page 3‑3.
Safety Belts
Refer to the following sections for
important information on how to use
safety belts properly.
.Safety Belts on page 3‑20.
.How to Wear Safety Belts
Properly on page 3‑21.
.Lap-Shoulder Belt on page 3‑22.
.Lower Anchors and Tethers for
Children (LATCH System) on
page 3‑53.
Page 18 of 518

Black plate (12,1)GMC Yukon/Yukon XL Owner Manual - 2012
1-12 In Brief
Passenger Sensing
System
The passenger sensing system,
if equipped, turns off the front
outboard passenger frontal airbag
under certain conditions. No other
airbag is affected by the passenger
sensing system.
If the vehicle has one of the
indicators pictured in the following
illustrations, then the vehicle has a
passenger sensing system for the
front outboard passenger position.
The passenger airbag status
indicator, if equipped, will be visible
on the overhead console when the
vehicle is started.
United States
Canada
See Passenger Sensing System on
page 3‑38 for important information.
Mirror Adjustment
Exterior Mirrors
Vehicles with outside manual
mirrors can be adjusted by moving
the mirror up and down or left to
right to see a little of the side of the
vehicle, and have a clear view
behind the vehicle. See
Manual Mirrors on page 2‑17
If the vehicle has towing mirrors,
they can be adjusted for a clearer
view of the objects behind you.
Manually pull out the mirror head to
extend it for better visibility when
towing a trailer. See Trailer-Tow
Mirrors on page 2‑17.
Power Mirrors
Vehicles with outside power mirrors
and foldaway mirrors have controls
located on the driver door.
1. Press (A) or (B) to select the driver or passenger side mirror.
Page 19 of 518

Black plate (13,1)GMC Yukon/Yukon XL Owner Manual - 2012
In Brief 1-13
2. Press the arrows on the controlpad to move the mirror up,
down, right, or left.
3. Press either (A) or (B) again to deselect the mirror.
See Power Mirrors on page 2‑17.
Power Foldaway Mirrors
To fold the mirrors:
1. Press (C) to fold the mirrors out to the driving position.
2. Press (D) to fold the mirrors in to the folded position.
The mirrors may also include a
memory function that works with the
memory seats. See Memory Seats
on page 3‑7 for more information.
Manual Foldaway Mirrors
Manually fold the mirrors inward to
prevent damage when going
through an automatic car wash. To
fold, push the mirror toward the
vehicle. Push the mirror outward, to
return to its original position.
See Folding Mirrors on page 2‑18.Interior Mirrors
Vehicles with a manual rearview
mirror can be adjusted to see clearly
behind the vehicle. Hold the mirror
in the center to move it up or down
and side to side. Adjust the mirror to
avoid glare from the headlamps
behind you. Push the tab forward for
daytime use and pull it for
nighttime use.
Vehicles with the automatic dimming
feature will automatically reduce
glare from the headlamps of the
vehicle behind you. The dimming
feature comes on and the indicator
light illuminates each time the
vehicle is started.
SeeAutomatic Dimming Rearview
Mirror on page 2‑20 for more
information.
Steering Wheel
Adjustment
The tilt lever is located on the lower
left side of the steering column.
To adjust the steering wheel:
1. Hold the steering wheel and pull the lever.
2. Move the steering wheel up or down.
3. Release the lever to lock the wheel in place.
Page 20 of 518

Black plate (14,1)GMC Yukon/Yukon XL Owner Manual - 2012
1-14 In Brief
Do not adjust the steering wheel
while driving.
Throttle and Brake Pedal
Adjustment
On vehicles with this feature, you
can change the position of the
throttle and brake pedals.
The control used to adjust the
pedals is located on the instrument
panel below the climate control
system.
Press the bottom of the control to
move the pedals closer to your
body. Press the top of the control to
move the pedals away.
SeeAdjustable Throttle and Brake
Pedal on page 9‑22.
Interior Lighting
Dome Lamps
The dome lamps are located in the
overhead console.
They come on when any door is
opened and turn off after all the
doors are closed.
Turn the instrument panel
brightness knob located below
the dome lamp override button,
clockwise to the farthest position to
manually turn on the dome lamps.
The dome lamps remain on until the
knob is turned counterclockwise.
Dome Lamp Override
The dome lamp override button is
located next to the exterior lamps
control.
k: Press the button in and the
dome lamps remain off when a door
is opened. Press the button again to
return it to the extended position so
that the dome lamps come on when
a door is opened.
Reading Lamps
For vehicles with reading lamps in
the overhead console, press the
button located next to the lamp to
turn it on or off.
The vehicle may also have reading
lamps in other locations. To turn the
lamps on or off, press the button
located next to the lamp.
Page 21 of 518

Black plate (15,1)GMC Yukon/Yukon XL Owner Manual - 2012
In Brief 1-15
For more information about interior
lamps, see:
.Dome Lamps on page 6‑8.
.Reading Lamps on page 6‑9.
.Instrument Panel Illumination
Control on page 6‑8.
Exterior Lighting
The exterior lamps control is located
on the instrument panel to the left of
the steering wheel.
O:Turns off the automatic
headlamps and Daytime Running
Lamps (DRL). Turn the headlamp control to the off position again to
turn the automatic headlamps or
DRL back on.
For vehicles first sold in Canada,
the off position will only work when
the vehicle is shifted into P (Park).
AUTO:
Automatically turns on
the headlamps, parking lamps,
taillamps, instrument panel lights,
and license plate lamps.
;: Turns on the parking lamps,
taillamps, instrument panel lights,
and license plate lamps.
5: Turns on the headlamps,
parking lamps, taillamps, instrument
panel lights, and license plate
lamps.
For more information, see:
.Exterior Lamp Controls on
page 6‑1.
.Daytime Running Lamps (DRL)
on page 6‑3.
.Fog Lamps on page 6‑6.
Windshield Wiper/Washer
The front wiper control is located on
the turn and lane‐change lever. Turn
the band with the wiper symbol to
control the windshield wipers.
8: For a single wipe, turn to8,
then release. For several wipes,
hold the band on
8longer.
9: Turns the windshield
wipers off.
6: Turn the band up for more
frequent wipes or down for less
frequent wipes.
6: Slow wipes.
?:Fast wipes.
L:Push this paddle to spray
washer fluid on the windshield.
Page 22 of 518
Black plate (16,1)GMC Yukon/Yukon XL Owner Manual - 2012
1-16 In Brief
Rear Wiper Window Wiper/Washer
To turn the rear wiper on, slide the
lever to a wiper position.
9:Turns the wiper off.
5: Turns on the rear wiper delay.
Z:Turns on the rear wiper.
=:Press the button on the end of
the lever to spray washer fluid on
the rear window.
See Windshield Wiper/Washer on
page 5‑5 andRear Window Wiper/
Washer on page 5‑5.
Climate Controls
The heating, cooling, and ventilation in the vehicle can be controlled with
these systems.
If this vehicle is a hybrid, see the hybrid supplement for more information.
Climate Control System
A. Fan Control
B. REAR (Rear Climate Control)
C. Recirculation
D. Air Delivery Mode Control
E. Air Conditioning F. Driver and Passenger
Temperature Controls
G. Rear Window Defogger
See Climate Control Systems on
page 8‑1.
Page 23 of 518

Black plate (17,1)GMC Yukon/Yukon XL Owner Manual - 2012
In Brief 1-17
Dual Automatic Climate Control System
A. Fan Control
B. AUTO (Automatic Operation)
C. Defrost
D. Recirculation
E. REAR (Rear Climate Control)
F. Air Delivery Mode Control
G. Driver Temperature Control
H. Display
I. Power Button
J. Rear Window Defogger K. Air Conditioning
L. PASS
M. Passenger Temperature Control
See
Dual Automatic Climate Control
System on page 8‑4 (If Equipped) .
For vehicles with rear heating and
air conditioning controls, see Rear
Climate Control System (Rear
Climate Control Only) on page 8‑10
or Rear Climate Control System
(Rear Climate with Rear Seat Audio)
on page 8‑11.
Transmission
Range Selection Mode
Base Trim Shown (Uplevel Similar)
The Range Selection Mode switch
is located on the shift lever.
1. To enable the Range Selection feature, move the column shift
lever to the M (Manual) position.
The current range will appear
next to the M. This is the highest
attainable range with all lower
gears accessible. As an
example, when 5 (Fifth) gear is
selected, 1 (First) through
5 (Fifth) gears are available.
Page 24 of 518
Black plate (18,1)GMC Yukon/Yukon XL Owner Manual - 2012
1-18 In Brief
2. Press the plus/minus buttons,located on the steering column
shift lever, to select the desired
range of gears for current driving
conditions. See Manual Mode on
page 9‑35.
While using Range Selection Mode,
cruise control and the Tow/Haul
mode can be used.
Grade Braking is not available when
Range Selection Mode is active.
See Tow/Haul Mode on page 9‑36.Four-Wheel Drive
If the vehicle has Four-Wheel Drive,
you can send the engine's driving
power to all four wheels for extra
traction.
Automatic Transfer Case
Two Speed Transfer Case
Single Speed Transfer Case
The transfer case knob is located to
the left of the instrument panel
cluster. Use this knob to shift into
and out of the different Four-Wheel
Drive modes.
2
m: This setting is used for driving
in most street and highway
situations.
AUTO: This setting is ideal for
use when road surface traction
conditions are variable.