2012 GMC YUKON tow

Black plate (2,1)GMC Yukon/Yukon XL Owner Manual - 2012
2012 GMC Yukon/Yukon XL Owner ManualM
Object Detection Systems . . . . 9-53
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-61
Towing . . . . . . . . . . . . . . . . . . . . . . . 9-67
Conversions and Add-Ons . . . 9-86
Vehicle Care . . . . . . . . . . . . . . . . . 10-1
General Information . . . . . . . . . . 10-2
Vehicle Checks . . . . . . . . . . . . . . . 10-4
Headlamp Aiming . . . . . . . . . . . 10-35
Bulb Replacement . . . . . . . . . . 10-37
Electrical System . . . . . . . . . . . . 10-39
Wheels and Tires . . . . . . . . . . . 10-48
Jump Starting . . . . . . . . . . . . . . . 10-88
Towing . . . . . . . . . . . . . . . . . . . . . . 10-93
Appearance Care . . . . . . . . . . . 10-98 Service and Maintenance
. . . 11-1
General Information . . . . . . . . . . 11-1
Maintenance Schedule . . . . . . . 11-3
Special Application
Services . . . . . . . . . . . . . . . . . . . . 11-8
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . 11-8
Recommended Fluids,
Lubricants, and Parts . . . . . . 11-11
Maintenance Records . . . . . . . 11-14
Technical Data . . . . . . . . . . . . . . . 12-1
Vehicle Identification . . . . . . . . . 12-1
Vehicle Data . . . . . . . . . . . . . . . . . . 12-2 Customer Information
. . . . . . . 13-1
Customer Information . . . . . . . . 13-1
Reporting Safety Defects . . . . 13-13
Vehicle Data Recording and
Privacy . . . . . . . . . . . . . . . . . . . . 13-14
OnStar . . . . . . . . . . . . . . . . . . . . . . . 14-1
OnStar Overview . . . . . . . . . . . . . 14-1
OnStar Services . . . . . . . . . . . . . . 14-2
OnStar Additional
Information . . . . . . . . . . . . . . . . . . 14-5
Index . . . . . . . . . . . . . . . . . . . . . i-1

Black plate (5,1)GMC Yukon/Yukon XL Owner Manual - 2012
Introduction v
Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. For more
information on the symbol, refer to
the Index.
0:Adjustable Pedals
9:Airbag Readiness Light
#:Air Conditioning
!:Antilock Brake System (ABS)
%:Audio Steering Wheel Controls
or OnStar®
$: Brake System Warning Light
":Charging System
I:Cruise Control
B: Engine Coolant Temperature
O:Exterior Lamps
#:Fog Lamps
.: Fuel Gauge
+:Fuses
3: Headlamp High/Low-Beam
Changer
(: Heated Steering Wheel
j:LATCH System Child
Restraints
*: Malfunction Indicator Lamp
::Oil Pressure
g:Outside Power Foldaway
Mirrors
}: Power
/:Remote Vehicle Start
>:Safety Belt Reminders
7:Tire Pressure Monitor
_: Tow/Haul Mode
d:Traction Control/StabiliTrak®
M:Windshield Washer Fluid

Black plate (3,1)GMC Yukon/Yukon XL Owner Manual - 2012
In Brief 1-3
A.Air Vents on page 8‑13.
B. Turn and Lane‐Change Lever. See Turn and Lane-Change
Signals on page 6‑6.
Windshield Wiper/Washer on
page 5‑5.
Rear Window Wiper/Washer on
page 5‑5.
C. Instrument Cluster on
page 5‑12.
D. Hazard Warning Flashers on
page 6‑5 (Out of View).
E. Shift Lever. See Automatic
Transmission on page 9‑31.
F. Manual Mode on page 9‑35
(If Equipped).
Tow/Haul Mode on page 9‑36
(If Equipped).
G. Driver Information Center (DIC) Buttons. See Driver Information
Center (DIC) on page 5‑29.
H. Infotainment on page 7‑1. I.
Exterior Lamp Controls on
page 6‑1.
J. Dome Lamps on page 6‑8.
Instrument Panel Illumination
Control on page 6‑8.
Fog Lamps on page 6‑6
(If Equipped).
K. Hood Release. See Hood on
page 10‑5.
L. Integrated Trailer Brake Controller (If Equipped).
See Towing Equipment on
page 9‑76.
M. Data Link Connector (DLC) (Out of View). See Malfunction
Indicator Lamp on page 5‑21.
N. Automatic Transfer Case Control (If Equipped). See
Four-Wheel Drive (Two Speed
Automatic Transfer Case) on
page 9‑37 orFour-Wheel Drive
(Single Speed Automatic
Transfer Case) on page 9‑42. O.
Cruise Control on page 9‑51.
P. Steering Wheel Adjustment on
page 5‑2.
Q. Horn on page 5‑4.
R. Steering Wheel Controls on
page 5‑2.
S. Climate Control Systems on
page 8‑1 (If Equipped).
Dual Automatic Climate Control
System on page 8‑4
(If Equipped).
T. Power Outlets on page 5‑9.
U. StabiliTrak
®System on
page 9‑46 (If Equipped).
Pedal Adjust Button (If
Equipped). See Adjustable
Throttle and Brake Pedal on
page 9‑22.
Ultrasonic Parking Assist on
page 9‑53 (If Equipped).
Power Assist Steps on
page 2‑13 (If Equipped).

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.

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.

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.

Black plate (19,1)GMC Yukon/Yukon XL Owner Manual - 2012
In Brief 1-19
4m:Use the Four-Wheel-Drive
High position when extra traction is
needed, such as on snowy or icy
roads or in most off-road situations.
4
n: Vehicles with a two speed
transfer case have a
Four-Wheel-Drive Low position. This
setting sends maximum power to all
four wheels. You might choose
Four-Wheel-Drive Low if you are
driving off-road in deep sand, deep
mud, deep snow, and while climbing
or descending steep hills.
N (Neutral): Vehicles with a two
speed transfer case have a
N (Neutral) position. Shift the
transfer case to N (Neutral) only
when towing the vehicle. See
Recreational Vehicle Towing on
page 10‑93 orTowing the Vehicle
on page 10‑93.
See Four-Wheel Drive (Two Speed
Automatic Transfer Case) on
page 9‑37 orFour-Wheel Drive
(Single Speed Automatic Transfer
Case) on page 9‑42.
Vehicle Features
Radio(s)
Radio with USB, CD, and DVD (MP3)
O: Press to turn the system on
and off. Turn to increase or
decrease the volume. BAND:
Press to choose between
FM, AM, or XM™, if equipped.
f: Select radio stations.

Black plate (1,1)GMC Yukon/Yukon XL Owner Manual - 2012
Keys, Doors, and Windows 2-1
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . 2-2
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . 2-3
Remote Vehicle Start . . . . . . . . . 2-5
Door Locks . . . . . . . . . . . . . . . . . . . 2-7
Power Door Locks . . . . . . . . . . . . 2-8
Delayed Locking . . . . . . . . . . . . . . 2-8
Automatic Door Locks . . . . . . . . . 2-8
Lockout Protection . . . . . . . . . . . . 2-8
Safety Locks . . . . . . . . . . . . . . . . . . 2-8
Doors
Liftgate (Manual) . . . . . . . . . . . . . . 2-9
Liftgate (Power) . . . . . . . . . . . . . . 2-10
Power Assist Steps . . . . . . . . . . 2-13
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . 2-14
Anti-theft Alarm System . . . . . . 2-14
Immobilizer . . . . . . . . . . . . . . . . . . 2-15
Immobilizer Operation . . . . . . . 2-15
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . 2-17
Manual Mirrors . . . . . . . . . . . . . . . 2-17
Trailer-Tow Mirrors . . . . . . . . . . . 2-17
Power Mirrors . . . . . . . . . . . . . . . . 2-17
Folding Mirrors . . . . . . . . . . . . . . . 2-18
Heated Mirrors . . . . . . . . . . . . . . . 2-19
Automatic Dimming Mirror . . . 2-19
Park Tilt Mirrors . . . . . . . . . . . . . . 2-19
Interior Mirrors
Manual Rearview Mirror . . . . . . 2-20
Automatic Dimming Rearview Mirror . . . . . . . . . . . . . . . . . . . . . . . 2-20
Windows
Windows . . . . . . . . . . . . . . . . . . . . . 2-20
Power Windows . . . . . . . . . . . . . 2-21
Sun Visors . . . . . . . . . . . . . . . . . . . 2-22
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . 2-22