GMC Yukon Denali 2003 User manual

The 2003 GMCYukon DenaIiNukon XL Denali
Owner Manual
SeatsandRestraintSystems ........................... 1-1
FrontSeats
............................................... 1-3
RearSeats
............................................... 1-7
Safety Belts
............................................. 1-25
Child Restraints
....................................... 1-48
AirBagSystems
...................................... 1-72
RestraintSystemCheck
............................ 1-86
FeaturesandControls ..................................... 2-1
Keys
........................................................ 2-3
DoorsandLocks
....................................... 2-8
Windows
................................................. 2-14
Theft-Deterrent Systems
............................ 2-16
Starting and Operating Your Vehicle
....... 2-18
Mirrors
.................................................... 2-31
Onstar@
S stem ...................................... 2-36
HomeLink
J Transmitter ............................. 2-38
StorageAreas
......................................... 2-42
Sunroof
.................................................. 2-46
Vehicle Personalization ............................. 2-47
InstrumentPanel ............................................. 3-1
Instrument Panel Overview .......................... 3-4
Warning Lights, Gages and Indicators
......... 3-28
Driver Information Center (DIC)
.................. 3-43
Climate Controls
...................................... 3-19
AudioSystem(s)
....................................... 3-58
DrivingYourVehicle ....................................... 4-1
Your Driving, the Road,andYour Vehicle ..... 4-2
Towing
................................................... 4-44
Service
..................................................... 5-3
Fuel
......................................................... 5-5
CheckingThingsUnder the Hood ...............5-10
All-Wheel Drive
........................................ 5-46
Rear Axle ............................................... 5-48
Bulb Replacement
.................................... 5-49
Tires
...................................................... 5-55
AppearanceCare ..................................... 5-78
Vehicle Identification
................................. 5-86
Electrical System
...................................... 5-87
Capacities and Specifications
..................... 5-96
NormalMaintenanceReplacement Parts
...... 5-98
MaintenanceSchedule
................................ 6-2
CustomerAssistanceInformation .................... 7-1
Customer Assistance Information
.................. 7-2
Reporting SafetyDefects
............................ 7-9
Index ................................................................ 1
Service and AppearanceCare .......................... 5-1
Windshield WiperBladeReplacement
......... 5-54
MaintenanceSchedule ..................................... 6-1

Canadian Owners
GENERAL MOTORS, GM,the GM Emblem, GMC, the
GMC Truck Emblem and the name YUKON
DENALINUKON XL DENALI are registered trademarks
of General Motors Corporation.
This manual includes the latest information at the time it
was printed. We reserve the right
to make changes
after that time without further notice. For vehicles first
sold in Canada, substitute the name “General Motors of
Canada Limited” for GMC whenever it appears in this
manual.
Please keep this manual in your vehicle,
so it will be
there
if you ever need it when you’re on the road. If you
sell the vehicle, please leave this manual in it
so the
new owner can use it.
ii
L.itho in U.S.A.
Part No. S2316 A First Edition
You can obtain a French copy of this manual from your
dealer or from:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207
How to Use This Manual
Many people read their owner’s manual from beginning
to end when they first receive their new vehicle.
If
you do this, it will help you learn about the features and
controls for your vehicle. Inthis manual, you’ll find
that pictures and words work together to explain things.
Index
A good place to look for what you need is the Index in
back of the manual. It’s an alphabetical list of what’s
in the manual, and the page number where you’ll find it.
@CopyrightGeneral Motors Corporation
6/24/02
All RightsReserved

Safety Warnings and Symbols
You will find a number of safety cautions in this book.
We use a box and the word
CAUTION to tell you about
things that could hurt you
if you were to ignore the
warning.
These mean there is somethingthat could hurt
you or other people.
I I
In the caution area, we tell you what the hazard is.
Then we tell you what
to do to help avoid or reduce the
hazard. Please read these cautions. If you don’t, you
or others could be hurt.
I I You will also find a circle
~~
with a slash through it in
this book. This safety
symbol means “Don’t,”
“Don’t
do this” or “Don‘t let
this happen.”
...
Ill

Vehicle Damage Warnings
Also, in this book you will find these notices:
Notice: These mean there is somethingthat could
damage
your vehicle.
A notice will tell you about something that can damage
your vehicle. Many times, this damage would not be
covered by your warranty, and
it could be costly. But the
notice will tell you what
to do to help avoid the
damage.
When you read other manuals, you might see CAUTION
and NOTICE warnings in different colors or in different
words.
You’ll also see warning labels on your vehicle. They use
the same words, CAUTION or NOTICE.
Vehicle Symbols
Your vehicle has components and labels that use
symbols instead of text. Symbols, used on your vehicle,
are shown along with the text describingthe operation
or information relating
to a specific component, control,
message, gage or indicator.
If you need help figuring out a specific name of a
component, gage or indicator reference the following
topics:
Seats and Restraint Systems in Section 1
0 Features and Controls in Section 2
Instrument Panel Overview in Section 3
Climate Controls in Section 3
Warning Lights, Gages and Indicators in Section 3
0 Audio System(s) in Section 3
Engine Compartment Overview in Section 5
iv

These are some examples of vehicle symbols you may find on your vehicle:
CAUTION
POSSIBLE
INJURY
PROTECT
EYES BY
SHIELDING
CAUSTIC
BATTERY
ACID COULD
CAUSE
BURNS
AVO ID
SPARKS
OR
FLAMES
SPARK
OR
FLAME '\I/'
COULD
EXPLODE
BATTERY
LATCH BOTH LAP AND
SHOULDER BELTSTO
PROTECTOCCUPANT
4
DO NOT TWIST SAFETY
BELT WHEN ATTACHING
FASTEN
SEAT
BELTS
MOVESEAT DO NOT INSTALL
A REAR-FACING
CHILD RESTRAINT
SECURE INTHISSEATING
CHILDSEATPOSITION
FULLY \rc
REARWARD+ /3
PULL BELT
DO NOT INSTALL A
COMPLETELY
THEN SECURE
CHILD SEAT
FORWARD-FACING
CHILD RESTRAINT
INTHIS SEATING
POSITION
POWERDOORLOCK WINDOWUNLOCK
LIGHTING
-
MASTER SWITCH u- 0 , \
LAMPS #O
ENGINE
COOLANT
-FA
TEMP
-
CHARGING Fl
BATTERY
SYSTEM
ENGINE OIL
PRESSURE
9%77
ANTI-LOCK (@)
BRAKES
FUSE
BOX
ACCESS
ENGINE
COOLANT
FAN
OWNER'S
MANUAL
SERVICE
SERVICE
MANUAL
V

1
Seats and Restraint Systems
Front Seats ...................................................... 1.3
PowerSeats ......
..................................... 1-3
Power Lumbar
............................................... 1-4
Heated Seats
................................................. 1.4
Reclining Seatbacks
........................................ 1.5
Head Restraints
............................................. 1-6
Rear Seats .................................................. .l -7
RearSeatOperation .. ......1-7
Heated Seats
................................................. 1-8
60/40Split Bench Seat
................................... 1-9
50/50 Split Bench Seat .................................. 1-1 1
Bench Seat
.............................................. 1.1 7
BucketSeats ........................................... 1-22
Safety Belts ................................................... 1-25
Safety Belts: They Are for Everyone
................ 1-25
Questions and Answers About Safety Belts
...... 1.29
How
to WearSafety Belts Properly ................. 1-30
Driver Position
.............................................. 1.30
SafetyBeltUse During Pregnancy
.................. 1-38
RightFrontPassenger Position
.. ., .... ....1-39
CenterPassenger Position
...... , 1-39
Rear Seat Passengers
.................................. 1-41
Rear Safety Belt Comfort Guides for Children
and Small Adults
....................................... 1-44
Safety Belt Extender
..................................... 1-47
Child Restraints ............................................. 1-48
Older Children
.............................................. 1.48
Infants and Young Children
....... .......... 1.50
Child Restraint Systems ........ ...... 1-54
Where
to Put the Restraint ............................. 1-56
Top Strap
.................................................... 1.57
Top Strap Anchor Location
............................. 1-59
Lower Anchorages and Top Tethers for
Children (LATCH System)
........................... 1.61
Securing a Child Restraint Designed for the
LATCH System
......................................... 1-63
Securing a Child Restraint in a Rear Outside
Seat Position
............................................ 1-63
Securing
a Child Restraint in a Center Rear
Seat Position
............................................ 1.65
Securing a Child Restraint in the Right Front
Seat Position
......................... .I -68
1-1

Section
1
Seats and Restraint Svstems
Air Bag Systems ............................................ 1.72
Where AretheAir Bags?
............................... 1-74
What Makes anAir Bag Inflate?
..................... 1-78
How Does an Air Bag Restrain? ..................... 1-78
Passenger Sensing System
............................ 1-81
When Should anAir Bag Inflate?
.................... 1-77
What Will You See After an AirBag Inflates?
....... 1-79
Servicing YourAir Bag-Equipped Vehicle .........1.85
Adding Equipment
to YourAirBag-Equipped
Vehicle .................................................... 1.85
Restraint System Check ................................. .l -86
Checking YourRestraintSystems ......... . .l -86
Replacing Restraint SystemParts
After a Crash
............................................ 1-87
1
-2

Front Seats
Power Seats
Horizontal Control: You can adjust your vehicle’s front
seats with the horizontal control located on the
outboard edge of each front seat.
Raise or lower the front of the seat by raising or
lowering the forward edge of the control. Raise or lower
the rear of the seat by raising or lowering the rear
edge
of the control.
Move the seat forward or rearward by moving the whole
control toward the front or toward the rear of the
vehicle.
Moving the whole control up or down raises or lowers
the entire seat cushion.
1 -3

Power Lumbar Heated Seats
You can increase or
decrease lumbar support
in an area of the lower
seatback.
To increase support, press and hold the front of the
control.
To decrease support, press and hold the rear of
the control. Let go of the control when the lower
seatback reaches the desired level of support.
You can also reshape the side wing area of the lower
seatback for more lateral support.
To increase support, press and hold the top of the
control. To decrease support, press and hold the bottom
of the control. Let go of the control when the lower
seatback reaches the desired level of support.
-1 control this featureare
The buttons used
to
located on the front doors.
The engine must be
running for the heated seat
feature
to work.
To heat the entire seat, press the horizontal button with
the heated seat symbol. Press the button
to cycle
through the temperature settings of high, medium and
low and
to turn the heated seat off. Indicator lights
will glow
to designate the level of heat selected, three
for high, two for medium, and one for low.
The low setting warms the seatback and cushion until
the seat temperature is near body temperature. The
medium and high settings heat the seatback and seat
cushion
to a slightly higher temperature. You will be able
to feel heat in about two minutes.
1 -4

To heat only the seatback, press the vertical button with
the heated seatback symbol. An indicator light on the
seatback button will glow
to designate that only the
seatback is being heated. Additional presses of
the seatback button will cycle through the heat levels
for
the seatback only. Press the horizontal button again
to heat the whole seat.
The heated front seats will shut
off automatically when
the ignition is turned
off.
Your vehicle also has rear heated seats. See Heated
Seats
on page 1-8.
Reclining Seatbacks
The vertical power seat control described earlier allows
the seatback to recline.
But don’t have a seatback reclined
if your vehicle is
moving.
Sitting
in a re nec lositionwhenyour ve :le
is in motion can be dangerous. Even if you
buckle up, your safety belts can’t do their job
when you’re reclined like this.
The shoulder belt can’t do its job. Ina crash,
you could go into
it, receiving neck or other
injuries.
The lap belt can’t do its
job either. In a crash
the belt could go up over your abdomen. The
belt forces would be there, not at your pelvic
bones. This could cause serious internal
injuries.
For proper protection when the vehicle is in
motion, have the seatback upright. Then sit
well back in the seat andwear your safety belt
properly.
1-5

Head Restraints I-he head restraints tilt forward and rearward also.
To adjust the tilt for either of the front head restraints,
pull it toward you until you hear a click. There are
four positions available: initial position, first click, second
click and third click. Each position will click into place.
Afterthe third position (three clicks) is reached,
pulling the head restraintfarther will release it back
to
the upright position.
Pull firmly on the top of the head restraint to position it
to your liking.
The rear seat head restraints in your vehicle are
adjustable. Slide an adjustable head restraint up or
down so that the top of the restraint is closest
to the top
of your head. This position reduces the chance of a
neck injury in a crash.
On some models, the head restraints tilt forward and
rearward also.
Adjust your head restraint
so that the top of the restraint
is closest
to the top of your head. This position
reduces the chance of a neck injury in a crash.
1 -6

Rear Seats
Rear Seat Operation
Entering or Exiting the Third Row
Seats
Yukon Qenali: To enter or exit the third row seat you
must fold the second row seat down following the
instructions later in this section. See “Folding the
Seatback” under
60/40 Split Bench Seat on page 7-9.
If you are exiting the third row seat with no assistance
do the following:
Be sure
to return the seat to the passenger position
when finished.
Pull forward and push rearward on the
seat to make sure it is locked in place.
Yukon XL Denali: The passenger’s side of the second
row
60/40 or rear bucket seat has an easy entry/exit
feature. This makes it easy
to get in and out of the third
row seat.
To operate the easy entry seat, do the following:
2. Next, push the seatback forward until it is flat
with the floor.
1. Lift the release lever on the back of the seat.
2. Tilt the seatback toward the front of the vehicle and
the seat will release.
1 -i

3. Pull (push if you are exiting the third row with no
assistance) the seat forward until it stops.
If the seatback isn’t locked,
it could move
forward in a sudden stop or crash. That could
cause injury to the person sittingthere. Always
press rearward on the seatback to be sure
it is
locked.
Heated Seats
A safety belt that is improperly routed, not
properly attached, or twisted won’t provide the
protection needed
in a crash. The person
wearing the belt could be seriously injured.
After raising the rear seatback, always check
to be sure that the safety belts are properly
routed and attached, and are not twisted.
The buttons used to
control this feature are
located on the back of the
center console. The
engine must be running for
the heated seat feature
To heat the seat, press the button to cycle through the
temperature settings of high and low. Press the
button a third time to turn the seats
off. An Indicator
light will glow for each heat setting when the seats are
operating.
The heated rear seats will shut
off automaticallywhen
the ignition is turned off.
Be sure to return the seat to the passenger position
when finished. Pull forward and push rearward on the
seat to make sure it is locked in place.
1 -8

60/40 Split Bench Seat
If your vehicle has a 60/40 split bench, the seats can be
folded to give you more cargo space.
Folding the Seatbacks (60/40 Split
Bench Seat)
The rear seat may have a 60/40 split seat which may be
folded down to create a load floor and give you more
cargo space. On the Yukon Denali, the rear seatbacks
are equipped with rearward folding head restraints.
When the seatback is being folded down, the head
restraint will automatically fold rearward.
To fold the rear seat, do the following:
1. Make sure that nothing is under or in front
or 'L- seat.
2. Pull up on the strap
loop located at the rear
of the seat cushion
and pull the seat
cushion up. Then fold it
forward.
1 -9

3. YukonDenali: Pull the seatback forward and fold it
down until it is flat. Once the seatbacks are folded down, on Yukon
XL
Denali models only, the rear seat footwell area will be
exposed and will have
to be covered by the load
floor panel(s).
To create a load floor, do the following:
Yukon XL Denali: On the passenger side of
Yukon
XL Denali models, the lever at the base of
the seat must be pulled up
to release the seatback.
Pull the seatback forward and fold it down until
it
is flat.
If the seatback cannot fold flat because it interferes with
the cushion, try moving the front seat forward and/or
bringing the front seatback more upright.
1. Release thepanelsfromtheseatbacksby pushing
forward on the latches.
2. Then fold the panels back to cover the rear seat
footwell area.
1-10

Returning theSeats to an Upright
P--;tion
If the seatback isn’t locked, it could move
forward
in a sudden stop or crash. That could
cause injury to the person sitting there. Always
press rearward on the seatbackto be sure
it is
locked.
I I
A safety belt that is improperly routed, not
properly attached, or twisted won’t provide the
protection needed in
a crash. The person
wearing the belt could be seriously injured.
After raising the rear seatback, always check
to be sure that
the safety belts are properly
routed and attached, and are not twisted.
To return the seat to the upright position, do the
following:
1. On Yukon XL Denali models, lift the load floor
panels and latch them into the seatback.
2. Lift the seatback up and push it rearward
all the way.
3. Lower the seat cushion until it latches into position.
4. Pull forward on the seatback and up on
the seat cushion to make sure the seat is
securely in place.
5. On Yukon Denali models, return the head restraints
to the upright position.
6. Check to see that the safety belt buckles on the
driver’s side seat are accessible to the outboard
and center occupants and are not under the
seat cushions.
50/50 Split Bench Seat
If your vehicle has a 50/50 split bench, the seatback(s)
can be folded and the entire seat(s) tilted or removed
from the vehicle.
1-1 1

Folding the Seatbacks
To fold the seatbacks, do the following:
To return the seatbacks to the passenger position, do
the following:
1. Pull up on the release
lever, labeled
1,
located on the rear of
the seatback, and
push the seatback
forward.
Unfoldingthe Seatb-?ks
--
If the seatback isn’t locked, it could move
forward in a sudden stop or crash. That could
cause injury
to the person sitting there. Always
press rearward on the seatback to be sure it is
locked.
1.
Pull up on the release
leverlabeled
1 and
then pull up on
the seatback or the
assist strap located
on
the outboard side of
the seat until the
seatback locks into the
upright position.
2. Push forward on the seatback to make sure it is
locked into position.
1-12

Tilting the 50/50 Split Bench Seat
1. Fold theseatbacks forward using the instructions
listed previously.
2. Unlatch the seat from
the floor by pulling up
on the lever labeled
2,
located on the rear
I
of the seat.
Returning the Seat(s) to an Upright
Pos:+:on
3. Lift the rear of the seat up from the floor and push it
forward until it locks into place. You will not be able
to unlatch the seat from the floor unless the
seatback is folded down.
The seat will now remain locked in the upright position.
~~ fhe seatback I’t locked, it couldmove
forward in a sudden stop or crash. That could
cause injury to the person sitting there. Always
press rearward on the seatback to be sure it is
locked.
To return the seatback to an upright position, do the
following:
1. Pull the lever labeled 3 toward you.
1-13