2003 CADILLAC ESCALADE EXT heater

If No Steam Is Coming From Your
Engine
An overheat warning, along with a low coolant message,
can indicate a serious problem. SeeLow CoolantunderDIC Warnings and Messages on page 3-58.
If you get an engine overheat warning with no low
coolant message, but see or hear no steam, the problem
may not be too serious. Sometimes the engine can
get a little too hot when you:
·Climb a long hill on a hot day.
·Stop after high-speed driving.
·Idle for long periods in traffic.
·Tow a trailer. See ªDriving on Gradesº under
Towing a Trailer on page 4-52.If you get the overheat warning with no sign of steam,
try this for a minute or so:
1. Turn on your heater to full hot at the highest fan
speed and open the window as necessary.
2. If you're in a traffic jam, shift to NEUTRAL (N);
otherwise, shift to the highest gear while
driving ± DRIVE (D).
If you no longer have the overheat warning, you can
drive. Just to be safe, drive slower for about 10 minutes.
If the warning doesn't come back on, you can drive
normally.
If the warning continues, pull over, stop, and park your
vehicle right away.
If there's still no sign of steam, push down the
accelerator until the engine speed is about twice as fast
as normal idle speed for at least three minutes while
you're parked. If you still have the warning,
turn off the
engine and get everyone out of the vehicleuntil it
cools down. Also, see ªOverheated Engine Protection
Operating Modeº listed previously in this section.
You may decide not to lift the hood but to get service
help right away.
5-29

Cooling System
When you decide it's safe to lift the hood, here's what
you'll see:
A. Coolant Surge Tank
B. Coolant Surge Tank Pressure Cap
C. Engine FanIf the coolant inside the coolant surge tank is boiling,
don't do anything else until it cools down. The vehicle
should be parked on a level surface.
The coolant level should
be at or above the FULL
COLD mark. If it isn't,
you may have a leak at the
pressure cap or in the
radiator hoses, heater
hoses, radiator, water
pump or somewhere else
in the cooling system.
5-30

{CAUTION:
Heater and radiator hoses, and other engine
parts, can be very hot. Don't touch them.
If you do, you can be burned.
Don't run the engine if there is a leak. If you
run the engine, it could lose all coolant.
That could cause an engine ®re, and you could
be burned. Get any leak ®xed before you drive
the vehicle.
If there seems to be no leak, start the engine again.
The engine cooling fan speed should increase when idle
speed is doubled by pushing the accelerator pedal
down. If it doesn't, your vehicle needs service. Turn off
the engine.
Notice:Engine damage from running your engine
without coolant isn't covered by your warranty.
See ªOverheated Engine Protection Operating
Modeº in the Index for information on driving to a
safe place in an emergency.
Notice:When adding coolant, it is important that
you use only DEX-COOLž(silicate-free) coolant.
If coolant other than DEX-COOLžis added to
the system, premature engine, heater core or
radiator corrosion may result. In addition, the engine
coolant will require change sooner Ð at 30,000 miles
(50 000 km) or 24 months, whichever occurs ®rst.
Damage caused by the use of coolant other
than DEX-COOL
žis not covered by your new
vehicle warranty.
5-31

{CAUTION:
Adding only plain water to your cooling
system can be dangerous. Plain water, or
some other liquid such as alcohol, can boil
before the proper coolant mixture will. Your
vehicle's coolant warning system is set for the
proper coolant mixture. With plain water or the
wrong mixture, your engine could get too hot
but you wouldn't get the overheat warning.
Your engine could catch ®re and you or others
could be burned. Use a 50/50 mixture of clean,
drinkable water and DEX-COOL
žcoolant.
Notice:In cold weather, water can freeze and crack
the engine, radiator, heater core and other parts.
Use the recommended coolant and the proper
coolant mixture.
{CAUTION:
You can be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol
and it will burn if the engine parts are hot
enough. Don't spill coolant on a hot engine.
5-33

Child Restraints (cont.)
Securing a Child Restraint in the Right
Front Seat Position...................................1-46
Top Strap Anchor Location............................1-41
Top Strap...................................................1-40
Where to Put the Restraint...........................1-38
Cigarette Lighter.............................................3-23
Cleaning Aluminum Wheels..............................5-97
Cleaning Exterior Lamps/Lenses.......................5-96
Cleaning Fabric/Carpet....................................5-93
Cleaning Glass Surfaces..................................5-95
Cleaning Interior Plastic Components.................5-94
Cleaning Leather............................................5-94
Cleaning the Mirror.........................................2-43
Cleaning the Speaker Covers...........................5-95
Cleaning the Top of the Instrument Panel...........5-94
Cleaning the Windshield and
Wiper Blades..............................................5-97
Cleaning Tires................................................5-98
Cleaning Vinyl................................................5-94
Cleaning Wood Panels....................................5-95
Cleaning........................................................5-93
Inside of Your Vehicle..................................5-93
Outside of Your Vehicle................................5-96
Underbody Maintenance...............................5-98
Video Screen............................................3-101
Weatherstrips..............................................5-95Climate Control System...................................3-24
Automatic...................................................3-24
Climate Controls Personalization....................3-30
Outlet Adjustment........................................3-30
Clock............................................................3-23
Compact Disc Changer Errors..........................3-97
Compact Disc Messages..................................3-81
Compass Calibration.......................................2-43
Compass Variance..........................................2-42
Content Theft-Deferrent....................................2-26
Control of a Vehicle.......................................... 4-6
Coolant.........................................................3-40
Engine Temperature Gage............................3-40
Heater, Engine............................................2-31
Surge Tank Pressure Cap.............................5-27
Cooling System..............................................5-30
Cruise Control Light........................................3-45
Cruise Control................................................3-10
Cupholder(s)..................................................2-52
Current and Past Model Order Forms................7-11
Customer Assistance Information........................ 7-7
Courtesy Transportation.................................. 7-7
Customer Assistance for Text Telephone
(TTY) Users.............................................. 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Program for Persons with
Disabilities................................................ 7-5
4

E
Easy Exit Seat...............................................2-73
Electrical System...........................................5-101
Add-On Equipment.....................................5-101
Fuses and Circuit Breakers.........................5-101
Power Windows and Other Power Options.......5-101
Windshield Wiper Fuses.............................5-101
Electrochromic Mirror Operation........................2-42
Emissions Inspection and
Maintenance Programs.................................3-44
ENGINE COOLANT HOT.................................3-59
Engine Coolant Level Check.............................6-11
Engine Oil Additives........................................5-17
Engine Oil and Chassis Lubrication Scheduled
Maintenance................................................. 6-5
Engine Oil Level Check...................................6-11
ENGINE OVERHEATED..................................3-60
Engine..........................................................5-19
Air Cleaner/Filter.........................................5-19
Battery.......................................................5-43
Check and Service Engine Soon Light............3-42
Compartment Overview................................5-12
Coolant Heater............................................2-31
Coolant Temperature Gage...........................3-40
Coolant......................................................5-24
Cooling System Inspection............................6-16
Exhaust.....................................................2-39Engine (cont.)
Fan Noise..................................................5-36
Oil .............................................................5-14
Overheating................................................5-27
Starting......................................................2-29
Entertainment System....................................3-101
Cleaning the Video Screen..........................3-101
DVD Distortion............................................3-99
Entry Lighting.................................................3-18
Environmental Concerns..................................4-20
Erasing HomeLink
žButtons..............................2-51
Exit Lighting...................................................3-18
Extender, Safety Belt.......................................1-27
Exterior Lamps...............................................3-14
F
Filter.............................................................5-19
Engine Air Cleaner......................................5-19
Finding a PTY Station (RDS and XMŸ).............3-71
Finding a Station............................................3-69
Finish Care....................................................5-96
Finish Damage...............................................5-98
Fixed Mast Antenna.......................................3-101
Flash-to-Pass................................................... 3-9
Flat Tire, Changing.........................................5-76
Flat Tire........................................................5-75
6

TIGHTEN FUEL CAP......................................3-61
Tilt Wheel........................................................ 3-7
Tire In¯ation Check.........................................6-11
Tires.............................................................5-66
Buying New Tires........................................5-70
Chains.......................................................5-74
Changing a Flat Tire....................................5-76
If a Tire Goes Flat.......................................5-75
In¯ation Ð Tire Pressure..............................5-67
Inspection and Rotation................................5-68
Spare Tire..................................................5-92
Uniform Tire Quality Grading.........................5-71
Wheel Alignment and Tire Balance.................5-72
Wheel Replacement.....................................5-73
When It Is Time for New Tires......................5-69
To Use the Engine Coolant Heater....................2-31
Top Drain Grates ± Removal and Cleaning.........2-67
Top Strap Anchor Location...............................1-41
Top Strap......................................................1-40
Top-Box Storage.............................................2-70
Torque Lock...................................................2-38
Total Weight on Your Vehicle's Tires..................4-56
Tow/Haul Mode Light.......................................3-45
Tow/Haul Mode Selector Button........................2-34
Towing..........................................................4-48
Recreational Vehicle.....................................4-48
Towing a Trailer..........................................4-52
Your Vehicle...............................................4-48Towing (cont.)
Traction Control Operation................................4-11
TRACTION SYS LIMITED................................3-63
Traction.........................................................3-39
Off Light.....................................................3-39
Road Sensing Suspension.............................. 4-9
Stabilitrak
žSystem......................................4-10
Trailer Brakes.................................................4-57
Trailer Wiring Harness.....................................4-61
Trailer...........................................................4-51
Recommendations.......................................4-51
TRANS HOT IDLE ENGINE.............................3-62
Transfer Case................................................5-50
TRANSMISSION HOT.....................................3-62
Transmission Operation, Automatic....................2-32
Transmission, Transaxle, Transfer Case Unit
Repair Manual............................................7-10
Transmission..................................................5-21
Fluid, Automatic...........................................5-21
Temperature Gage.......................................3-40
Transportation Options...................................... 7-8
Traveling to Remote Areas...............................4-20
Trip Information Button....................................3-48
Truck-Camper Loading Information....................4-51
Turn and Lane Change Signals.......................... 3-8
TURN SIGNAL ON.........................................3-61
Turn Signal/Multifunction Lever........................... 3-7
Turn Signals When Towing a Trailer..................4-58
16