ECU CADILLAC ESCALADE EXT 2005 2.G Workshop Manual

Coolant Surge Tank Pressure Cap
The coolant surge tank pressure cap must be fully
installed on the coolant surge tank.
Notice:If the pressure cap is not tightly installed,
coolant loss and possible engine damage may
occur. Be sure the cap is properly and tightly
secured.
Engine Overheating
You will nd a coolant temperature gage on your
vehicle’s instrument panel cluster. SeeEngine Coolant
Temperature Gage on page 3-38.
In addition, you will nd an ENGINE COOLANT HOT,
ENGINE OVERHEATED and a REDUCED ENGINE
POWER message in the Driver Information Center (DIC)
on the instrument panel. SeeDIC Warnings and
Messages on page 3-50.
5-26

9. After hearing the conrming horn chirp for the left
rear tire, check to see if the TPM warning light is
still ashing. If yes, turn the ignition switch to OFF.
10. Set all four tires to the recommended air pressure
level as indicated on the Tire and Loading
Information label.
11. Put the valve caps back on the valve stems
The spare tire does not have a TPM sensor. If you
replace one of the road tires with the spare, the CHECK
TIRE PRESSURE message will be displayed on the
DIC screen. This message should go off once you
re-install the road tire containing the TPM sensor. The
SERVICE TIRE MONITOR message is displayed
when the TPM system is malfunctioning. One or more
missing or inoperable TPM sensors will cause the
service tire monitor message to be displayed. See your
dealer for service.
Federal Communications Commission and
Industry and Science Canada
The TPM system operates on a radio frequency subject
to Federal Communications Commission (FCC) Rules
and with Industry and Science Canada.This device complies with Part 15 of the FCC Rules
and with RSS-210 of Industry and Science Canada.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference,
and (2) this device must accept any interference
received including interference that may cause
undesired operation of the device.
Changes or modications to this system by other than
an authorized service facility could void authorization to
use this equipment.
Tire Inspection and Rotation
Tires should be rotated every 5,000 to 8,000 miles
(8 000 to 13 000 km).
Any time you notice unusual wear, rotate your tires as
soon as possible and check wheel alignment. Also
check for damaged tires or wheels. SeeWhen It Is Time
for New Tires on page 5-72andWheel Replacement
on page 5-75for more information.
Make sure the spare tire is stored securely. Push, pull,
and then try to rotate or turn the tire. If it moves,
use the ratchet/wheel wrench to tighten the cable. See
Changing a Flat Tire on page 5-78.
5-70

1. Check under the vehicle to see if the cable end
is visible.
If the cable is not visible proceed to Step 6.
2. If it is visible, rst try to tighten the cable by
turning the wheel wrench clockwise until you
hear two clicks or feel it skip twice. You cannot
overtighten the cable.
3. Loosen the cable by turning the wrench
counterclockwise three or four turns.4. Repeat this procedure at least two times. If the
spare tire lowers to the ground, continue with
Step 5 ofRemoving the Spare Tire and Tools
on page 5-79.
5. If the spare does not lower, turn the
wrench counterclockwise until approximately
6 inches (15 cm) of cable is exposed.
6. Stand the wheel blocks on their shortest ends,
with the backs facing each other.
7. Place the bottom edge
of the jack (A) on the
wheel blocks (B),
separating them so that
the jack is balanced
securely.
5-89

7. Make sure the tire is stored securely. Push, pull (A),
and then try to turn (B) the tire. If the tire moves,
use the wheel wrench to tighten the cable. Reinstall
the spare tire lock (if equipped).To store the jack and tools, do the following:
1. Return the tools to the tool bag and place it back in
the top-box storage area.
2. Assemble the wheel blocks and jack together with
the wing nut by reversing Step 2 underRemoving
the Spare Tire and Tools on page 5-79.
3. Replace the jack cover and tighten the jack-cover
wingnuts.
5-94

(j)A uid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired and
the uid level checked. Add uid if needed.
(k)If you drive regularly under dusty conditions, inspect
the lter at each engine oil change.
Owner Checks and Services
These owner checks and services should be performed
at the intervals specied to help ensure the safety,
dependability and emission control performance of your
vehicle. Your GM Goodwrench
®dealer can assist
you with these checks and services.
Be sure any necessary repairs are completed at once.
Whenever any uids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
inRecommended Fluids and Lubricants on page 6-12.
At Each Fuel Fill
It is important to perform these underhood checks
at each fuel ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-13for further
details.Notice:It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary.
SeeEngine Coolant on page 5-23for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the windshield
washer tank and add the proper uid if necessary.
At Least Once a Month
Tire Ination Check
Visually inspect your tires and make sure tires are
inated to the correct pressures. Do not forget to check
your spare tire. SeeTires on page 5-60for further
details. Check to make sure the spare tire is stored
securely. Push, pull and then try to turn the spare tire.
If it moves, tighten it. SeeChanging a Flat Tire
on page 5-78.
6-9

Center Console Storage Area...........................2-50
Chains, Tire...................................................5-76
Charging System Light....................................3-34
Check
Engine Light...............................................3-40
Checking Things Under the Hood......................5-10
Chemical Paint Spotting.................................5-102
Child Restraints
Child Restraint Systems...............................1-31
Infants and Young Children...........................1-28
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-38
Older Children.............................................1-25
Securing a Child Restraint Designed for
the LATCH System...................................1-40
Securing a Child Restraint in a Rear
Seat Position...........................................1-40
Securing a Child Restraint in the Right
Front Seat Position...................................1-42
Top Strap...................................................1-35
Top Strap Anchor Location............................1-37
Where to Put the Restraint...........................1-34
Chime Level Adjustment..................................3-99
Cigarette Lighter.............................................3-22
Cleaning
Aluminum Wheels......................................5-101
Exterior Lamps/Lenses................................5-100
Fabric/Carpet..............................................5-96Cleaning (cont.)
Finish Care...............................................5-100
Glass Surfaces............................................5-98
Instrument Panel.........................................5-98
Interior Plastic Components...........................5-98
Leather......................................................5-98
Speaker Covers..........................................5-98
Tires........................................................5-102
Underbody Maintenance.............................5-102
Vinyl..........................................................5-97
Washing Your Vehicle...................................5-99
Weatherstrips..............................................5-99
Windshield and Wiper Blades......................5-101
Wood Panels..............................................5-98
Climate Control System
Dual Automatic............................................3-23
Outlet Adjustment........................................3-28
Clock............................................................3-23
Comfort Guides, Rear Safety Belt.....................1-23
Content Theft-Deterrent....................................2-25
Control of a Vehicle.......................................... 4-5
Coolant
Engine Temperature Gage............................3-38
Heater, Engine............................................2-30
Surge Tank Pressure Cap.............................5-26
Cooling System..............................................5-29
Cruise Control Lever.......................................3-10
Cruise Control Light........................................3-44
3

Cupholder(s)..................................................2-50
Customer Assistance Information
Courtesy Transportation.................................. 7-8
Customer Assistance for Text
Telephone (TTY) Users............................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Reimbursement Program............... 7-6
Reporting Safety Defects to General Motors....7-12
Reporting Safety Defects to the
Canadian Government..............................7-12
Reporting Safety Defects to the
United States Government.........................7-11
Roadside Service.......................................... 7-6
Service Publications Ordering Information........7-12
D
Daytime Running Lamps..................................3-15
Defensive Driving............................................. 4-2
Delayed Locking............................................... 2-9
Doing Your Own Service Work........................... 5-4
Dome Lamps.................................................3-18
Door
Delayed Locking........................................... 2-9
Locks.......................................................... 2-8
Power Door Locks......................................... 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12Driver
Position, Safety Belt.....................................1-13
Driver Information Center (DIC).........................3-46
DIC Operation and Displays..........................3-47
DIC Vehicle Customization............................3-60
DIC Warnings and Messages........................3-50
Driving
At Night.....................................................4-29
City...........................................................4-33
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-34
Hill and Mountain Roads..............................4-36
In Rain and on Wet Roads...........................4-30
Recovery Hooks..........................................4-43
Rocking Your Vehicle to Get it Out.................4-42
Winter........................................................4-38
Dual Automatic Climate Control System.............3-23
DVD
Rear Seat Entertainment System...................3-80
E
Electrical System
Add-On Equipment.....................................5-105
Center Instrument Panel Fuse Block.............5-108
Fuses and Circuit Breakers.........................5-105
Instrument Panel Fuse Block.......................5-106
4

Instrument Panel (cont.)
Overview..................................................... 3-4
Storage Area..............................................2-50
JJump Starting.................................................5-41
K
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Labelling, Tire Sidewall....................................5-61
Lamps
Battery Run-Down Protection.........................3-19
Dome........................................................3-18
Exterior......................................................3-13
Exterior Cargo.............................................3-17
Fog ...........................................................3-16
Reading.....................................................3-18
LATCH System
Child Restraints...........................................1-38
Securing a Child Restraint Designed for
the LATCH System...................................1-40
Light
Airbag Readiness........................................3-32
Anti-Lock Brake System Warning...................3-37Light (cont.)
Brake System Warning.................................3-35
Charging System.........................................3-34
Cruise Control.............................................3-44
Highbeam On.............................................3-44
Low Fuel Warning.......................................3-45
Low Tire Pressure Warning Light...................3-37
Malfunction Indicator....................................3-40
Passenger Airbag Status Indicator..................3-33
Safety Belt Reminder...................................3-31
Security.....................................................3-43
Tow/Haul Mode...........................................3-44
Traction Off................................................3-38
Lighting
Entry/Exit...................................................3-18
Lockout Protection..........................................2-12
Locks
Delayed Locking........................................... 2-9
Door........................................................... 2-8
Lockout Protection.......................................2-12
Power Door.................................................. 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12
Loss of Control...............................................4-15
Low Fuel Warning Light...................................3-45
Luggage Carrier..............................................2-51
Lumbar
Power Controls............................................. 1-3
7

Reading Lamps..............................................3-18
Rear Axle......................................................5-46
Rear Door Security Locks................................2-12
Rear Safety Belt Comfort Guides......................1-23
Rear Seat Armrest..........................................2-52
Rear Seat Audio (RSA)....................................3-91
Rear Seat Entertainment System.......................3-80
Rear Seat Operation......................................... 1-6
Rear Seat Passengers, Safety Belts..................1-20
Rearview Mirror, Automatic Dimming with OnStar
®,
Compass and Temperature Display..................2-39
Reclining Seatbacks.......................................... 1-4
Recommended Fluids and Lubricants.................6-12
Recovery Hooks.............................................4-43
Recreational Vehicle Towing.............................4-50
Remote Keyless Entry System............................ 2-4
Remote Keyless Entry System, Operation............ 2-5
Removing the Flat Tire and Installing the
Spare Tire..................................................5-83
Removing the Spare Tire and Tools...................5-79
Replacement Bulbs.........................................5-58
Reporting Safety Defects
Canadian Government..................................7-12
General Motors...........................................7-12
United States Government............................7-11
Restraint System Check
Checking Your Restraint Systems...................1-59
Replacing Restraint System Parts
After a Crash..........................................1-60Restraint Systems
Checking....................................................1-59
Replacing Parts...........................................1-60
Retained Accessory Power (RAP)......................2-28
Right Front Passenger Position, Safety Belts......1-20
Road Sensing Suspension................................. 4-8
Roadside
Service........................................................ 7-6
Rocking Your Vehicle to Get it Out....................4-42
Running Your Engine While You Are Parked.......2-38
S
Safety Belt
Reminder Light............................................3-31
Safety Belts
Care of......................................................5-99
Driver Position............................................1-13
How to Wear Safety Belts Properly................1-13
Questions and Answers About Safety Belts.....1-12
Rear Safety Belt Comfort Guides for
Children and Small Adults.........................1-23
Rear Seat Passengers.................................1-20
Right Front Passenger Position......................1-20
Safety Belt Extender....................................1-24
Safety Belt Use During Pregnancy.................1-20
Safety Belts Are for Everyone......................... 1-8
Safety Warnings and Symbols.............................. iii
10

Scheduled Maintenance..................................... 6-4
Seats
Head Restraints............................................ 1-5
Heated Seats............................................... 1-3
Memory.....................................................2-69
Power Lumbar.............................................. 1-3
Power Seats................................................. 1-2
Rear Seat Operation...................................... 1-6
Reclining Seatbacks...................................... 1-4
Secondary Latch System.................................5-88
Securing a Child Restraint
Designed for the LATCH System...................1-40
Rear Seat Position......................................1-40
Right Front Seat Position..............................1-42
Security Light.................................................3-43
Service........................................................... 5-3
Adding Equipment to the Outside of
Your Vehicle.............................................. 5-5
Doing Your Own Work................................... 5-4
Engine Soon Light.......................................3-40
Publications Ordering Information...................7-12
Servicing Your Airbag-Equipped Vehicle..............1-58
Setting the Time.............................................3-66
Sheet Metal Damage.....................................5-102
Shifting Into Park (P).......................................2-35
Shifting Out of Park (P)...................................2-36
Signals, Turn and Lane-Change.......................... 3-8Spare Tire.....................................................5-95
Installing....................................................5-83
Removing...................................................5-79
Storing.......................................................5-92
Specications, Capacities...............................5-115
Speedometer..................................................3-31
Stabilitrak
®System........................................... 4-8
Starting Your Engine.......................................2-28
Steering........................................................4-11
Steering Wheel Controls, Audio.........................3-96
Steering Wheel, Tilt Wheel................................. 3-7
Storage Areas
All-Weather Cargo Area................................2-63
Center Console Storage Area........................2-50
Cupholder(s)...............................................2-50
Glove Box..................................................2-50
Instrument Panel Storage Area......................2-50
Luggage Carrier..........................................2-51
Rear Seat Armrest.......................................2-52
Top-Box Storage..........................................2-68
Stuck in Sand, Mud, Ice or Snow......................4-42
Sun Visors.....................................................2-24
Sunroof.........................................................2-68
11