Page 1 of 560

2010 GMC Yukon Denali/Yukon XL Denali Owner ManualM
In Brief. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Instrument Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Initial Drive Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Vehicle Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
Performance and Maintenance . . . . . . . . . . . . . . . . . . 1-22
Seats and Restraint System . . . . . . . . . . . . . . . . . . . . . . 2-1
Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Safety Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26
Child Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-49
Airbag System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-75
Restraint System Check . . . . . . . . . . . . . . . . . . . . . . . . . 2-93
Features and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Doors and Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . . . . . . . 3-20
Starting and Operating Your Vehicle . . . . . . . . . . . . . 3-24 Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42
Object Detection Systems . . . . . . . . . . . . . . . . . . . . . . . 3-45
Universal Home Remote System . . . . . . . . . . . . . . . . 3-55
Storage Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-62
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-66
Instrument Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Instrument Panel Overview . . . . . . . . . . . . . . . . . . . . . . . 4-3
Climate Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Warning Lights, Gages, and Indicators . . . . . . . . . . 4-25
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . 4-42
Audio System(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-75
Driving Your Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Your Driving, the Road, and the Vehicle . . . . . . . . . . 5-2
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-37
Service and Appearance Care . . . . . . . . . . . . . . . . . . . 6-1
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Checking Things Under the Hood . . . . . . . . . . . . . . . 6-12
All-Wheel Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-47
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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)
g: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 Gage
+:Fuses
i: Headlamp High/Low-Beam Changer
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
F:Traction Control
M:Windshield Washer Fluid
v
Page 9 of 560
A.Outlet Adjustment on page 4‑23.
B. Turn Signal/Multifunction Lever on page 4‑4.
C. Instrument Panel Cluster on page 4‑26.
D. Shift Lever. See Automatic Transmission Operation
on page 3‑30.
E. Tow/Haul Mode on page 3‑34.
F. Driver Information Center (DIC) Buttons. See Driver Information Center (DIC) on page 4‑42.
G. Audio System(s) on page 4‑75.
H. Exterior Lamps on page 4‑11.
I. Dome Lamp Override
on page 4‑14.Instrument
Panel Brightnesson page 4‑14. Fog Lampson
page 4‑14. J.
Cruise Control
on page 4‑8.Heated Steering
Wheelon page 4‑4(If Equipped).
K. Tilt Wheel on page 4‑3.
L. Horn on page 4‑3.
M. Audio Steering Wheel Controls on page 4‑132.
N. Dual Automatic Climate Control System
on
page 4‑18.
O. Accessory Power Outlet(s)
on page 4‑16.
Cigarette Lighter (If Equipped). See Ashtray(s) and
Cigarette Lighter
on page 4‑17.
P. StabiliTrak®Systemon page 5‑6.Ultrasonic
Rear Parking Assist (URPA) on page 3‑45.
Q. Glove Box on page 3‑62.
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Page 18 of 560

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.
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.
Interior Mirror
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. To
reduce headlamp glare during nighttime use, push the
tab forward for daytime use and pull it for nighttime use.
Vehicles with the automatic dimming feature will
automatically reduce the glare of lights from behind
the vehicle. The dimming feature comes on and the
indicator light illuminates each time the vehicle is
started.
See Automatic Dimming Rearview Mirror
on page 3‑42for more information.
Steering Wheel Adjustment
The power tilt wheel control is located on the left side of
the steering column.
Push the control up or down to tilt the steering wheel up
or down.
SeeTilt Wheel on page 4‑3.
Interior Lighting
Dome Lamps
The dome lamps come on when any door is opened.
They turn off after all the doors are closed.
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Page 21 of 560

SeeDual Automatic Climate Control Systemon
page 4‑18. For vehicles with a rear air conditioning and
heating system, see Rear Air Conditioning and Heating
System and Electronic Climate Controls on page 4‑24.
Transmission
Range Selection Mode
The Range Selection Mode switch is located on the
shift lever. 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 4 (Fourth) gear is selected,
1 (First) through 4 (Fourth) gears are available.
Press the plus/minus buttons, located on the steering
column shift lever, to select the desired range of gears
for current driving conditions. See
Automatic
Transmission Operation on page 3‑30.
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 3‑34.
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Page 30 of 560

Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some
driving tips to get the best fuel economy possible.
.Avoid fast starts and accelerate smoothly.
.Brake gradually and avoid abrupt stops.
.Avoid idling the engine for long periods of time.
.When road and weather conditions are
appropriate, use cruise control, if equipped.
.Always follow posted speed limits or drive more
slowly when conditions require.
.Keep vehicle tires properly inflated.
.Combine several trips into a single trip.
.Replace the vehicle's tires with the same TPC
Spec number molded into the tire's sidewall near
the size.
.Follow recommended scheduled maintenance.
Roadside Assistance Program
U.S.:1-800-GMC-8782 (462-8782)
TTY Users: 1-888-889-2438
Canada: 1-800-268-6800
As the owner of a new GMC, you are automatically
enrolled in the Roadside Assistance program.
This program provides technically trained advisors
who are available 24 hours a day, 365 days a year,
minor repair information or towing arrangements.
Roadside Assistance and OnStar
If you have a current OnStar subscription, press the
OnStar button and the current GPS location will be sent
to an OnStar Advisor who will assess your problem,
contact Roadside Assistance, and relay exact location
to get you the help you need.
Online Owner Center
The Online Owner Center is a complimentary service
that includes online service reminders, vehicle
maintenance tips, online owner manual, special
privileges and more.
Sign up today at: www.gmownercenter.com/gmc
(U.S.) or www.gm.ca (Canada).
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Manual Fold and Tumble Feature
Folding and Tumbling the Seat(s)
To fold and tumble the seat:1. Make sure that there is nothing under, in front of, or on the seat.
Notice: Folding a rear seat with the safety belts still
fastened may cause damage to the seat or the
safety belts. Always unbuckle the safety belts and
return them to their normal stowed position before
folding a rear seat.
2. Lift the lever, located on the outboard side of the seat, to release the seatback.
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Page 44 of 560
Folding and Tumbling the Seat(s) from the
Third Row Seats
{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 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 rows, if your
vehicle has them:
1. Make sure that there is nothing under, in front of, or on the seat.
Notice: Folding a rear seat with the safety belts still
fastened may cause damage to the seat or the
safety belts. Always unbuckle the safety belts and
return them to their normal stowed position before
folding a rear seat.
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