2005 GMC YUKON XL key

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition to LOCK in each shift lever position.
The ignition should turn to LOCK only when the
shift lever is in PARK (P).
The key should come out only in LOCK.
Contact your GM Goodwrench
®dealer if service is
required.
Parking Brake and Automatic
Transmission Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the
regular brake at once should the vehicle begin
to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
To check the parking brake’s holding ability:
With the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal. Do this until the vehicle is
held by the parking brake only.
To check the PARK (P) mechanism’s holding ability:
With the engine running, shift to PARK (P).
Then release the parking brake followed by the
regular brake.
Contact your GM Goodwrench
®dealer if service is
required.
Underbody Flushing Service
At least every spring, use plain water to ush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-11

Recommended Fluids and
Lubricants
Fluids and lubricants identied below by name, part
number or specication may be obtained from your
dealer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certied for Gasoline Engines
starburst symbol. GM
Goodwrench
®oil meets all the
requirements for your vehicle. To
determine the proper viscosity for
your vehicle’s engine, seeEngine
Oil on page 5-14.
Engine Coolant50/50 mixture of clean, drinkable
water and use only
DEX-COOL
®Coolant. SeeEngine
Coolant on page 5-25.
Hydraulic Brake
SystemDelco Supreme 11
®Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
Washer SolventGM Optikleen
®Washer Solvent.
Usage Fluid/Lubricant
Power Steering
SystemGM Power Steering Fluid (GM Part
No. U.S. 89021184, in Canada
89021186).
Automatic
TransmissionDEXRON
®-III Automatic
Transmission Fluid. Look for
“Approved for the H-Specication”
on the label.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Chassis
LubricationChassis Lubricant (GM Part No.
U.S. 12377985, in Canada
88901242) or lubricant meeting
requirements of NLGI #2, Category
LB or GC-LB.
Front and Rear
AxleSAE 75W-90 Synthetic Axle
Lubricant (GM Part No. U.S.
12378261, in Canada 10953455)
meeting GM Specication 9986115.
Rear Axle
(Steerable)Synthetic Axle Lubricant; use only
GM Part No. U.S. 12378557, in
Canada, 88901362.Do not add
friction modier.
6-12

Roadside Assistance Program
As the owner of a new GMC vehicle, you are
automatically enrolled in the GMC Roadside Assistance
program. This value-added service is intended to
provide you with peace of mind as you drive in the city
or travel the open road. Call 1-800-GMC-8782
(1-800-462-8782) to speak with a GMC Road Assistance
representative 24 hours a day, 365 days a year.
We will provide the following services during the
Bumper-to-Bumper warranty period, at no expense
to you:
Fuel Delivery:Delivery of enough fuel
($5 maximum) for the customer to get to the
nearest service station.
Lock-out Service (identication required):
Replacement keys or locksmith service will
be covered at no charge if you are unable to gain
entry into your vehicle. Delivery of the replacement
key will be covered within 10 miles (16 km).
Emergency Tow:Tow to the nearest dealership for
warranty service or in the event of a
vehicle-disabling accident. Assistance provided
when the vehicle is mired in sand, mud, or snow.
Flat Tire Change:Installation of a spare tire will be
covered at no charge. The customer is responsible
for the repair or replacement of the tire if not
covered by a warrantable failure.
Jump Start:No-start occurrences which require a
battery jump start will be covered at no charge.
Dealer Locator Service
Trip Routing:Your Roadside Assistance
Representative can provide you with specic
information regarding this feature.
Trip Interruption Expense Benets:Your
Roadside Assistance Representative can provide
you with specic information regarding this feature.
In many instances, mechanical failures are covered
under GMC’s Bumper-to-Bumper warranty. However,
when other services are utilized, our Roadside
Assistance Representatives will explain any payment
obligations you might incur.
7-6

Highway Hypnosis...........................................4-36
Hill and Mountain Roads..................................4-36
HomeLink
®Transmitter....................................2-39
HomeLink®Transmitter, Programming................2-39
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-32
I
Ignition Positions.............................................2-20
Infants and Young Children, Restraints...............1-50
Ination -- Tire Pressure..................................5-62
Instrument Panel
Brightness..................................................3-17
Cluster.......................................................3-29
Overview..................................................... 3-4
Storage Area..............................................2-43
J
Jump Starting.................................................5-42
K
Keyless Entry System....................................... 2-5
Keys............................................................... 2-3
L
Labelling, Tire Sidewall....................................5-57
Lamps
Battery Run-Down Protection.........................3-19
Dome........................................................3-18
Fog ...........................................................3-17
Puddle.......................................................3-16
Reading.....................................................3-18
LATCH System
Child Restraints...........................................1-61
Securing a Child Restraint Designed for
the LATCH System...................................1-63
Liftgate/Liftglass..............................................2-14
Liftglass/Liftgate..............................................2-14
Light
Airbag Readiness........................................3-31
Anti-Lock Brake System Warning...................3-36
Brake System Warning.................................3-34
Charging System.........................................3-33
Cruise Control.............................................3-44
7

Power (cont.)
Lumbar Controls........................................... 1-4
Retained Accessory (RAP)............................2-20
Seat............................................................ 1-3
Steering Fluid.............................................5-35
Windows....................................................2-16
Programmable Automatic Door Locks.................2-10
Programming the HomeLink
®Transmitter...........2-39
Puddle Lamps................................................3-16
Q
Questions and Answers About Safety Belts.........1-31
R
Radios..........................................................3-67
Care of Your Cassette Tape Player...............3-100
Care of Your CD and DVD Player................3-102
Care of Your CD Player..............................3-101
Care of Your CDs and DVDs.......................3-101
CD Changer...............................................3-96
Navigation/Radio System..............................3-94
Radio with Cassette and CD.........................3-68
Rear Seat Audio..........................................3-94
Setting the Time..........................................3-68Radios (cont.)
Theft-Deterrent............................................3-99
Understanding Reception............................3-100
Reading Lamps..............................................3-18
Rear Axle......................................................5-48
Rear Climate Control System............................3-26
Rear Door Security Locks................................2-12
Rear Heated Seats........................................... 1-9
Rear Safety Belt Comfort Guides......................1-44
Rear Seat Audio (RSA)....................................3-94
Rear Seat Entertainment System.......................3-83
Rear Seat Operation......................................... 1-8
Rear Seat Passengers, Safety Belts..................1-41
Rear Storage Area..........................................2-45
Rearview Mirror, Automatic Dimming
with OnStar
®, Compass and Temperature
Display......................................................2-32
Reclining Seatbacks.......................................... 1-6
Recommended Fluids and Lubricants.................6-12
Recovery Hooks.............................................4-43
Recreational Vehicle Towing.............................4-50
Remote Keyless Entry System............................ 2-5
Remote Keyless Entry System, Operation............ 2-6
Removing the Flat Tire and Installing
the Spare Tire.............................................5-80
Removing the Spare Tire and Tools...................5-76
Replacement Bulbs.........................................5-54
10