2021 CADILLAC ESCALADE coolant temperature

Cadillac Escalade Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13690472) - 2021 - CRC - 8/10/21
332 DRIVING AND OPERATING
Following Distance
Stay at least twice as far behind the
vehicle ahead as you would when
driving without a trailer. This can help
to avoid heavy braking and sudden
turns.
Passing
More passing distance is needed when
towing a trailer. The combination of
the vehicle and trailer will not
accelerate as quickly and is much
longer than the vehicle alone. It is
necessary to go much farther beyond
the passed vehicle before returning to
the lane. Pass on level roadways.
Avoid passing on hills if possible.
Backing Up
Hold the bottom of the steering wheel
with one hand. To move the trailer to
the left, move that hand to the left. To
move the trailer to the right, move
that hand to the right. Always back up
slowly and, if possible, have someone
guide you.
Making TurnsCaution
Turn more slowly and make wider
arcs when towing a trailer to
prevent damage to your vehicle.
Making very sharp turns could
cause the trailer to contact the
vehicle.
Make wider turns than normal when
towing, so trailer will not go over soft
shoulders, over curbs, or strike road
signs, trees, or other objects. Always
signal turns well in advance. Do not
steer or brake suddenly.
Driving on Grades
Reduce speed and shift to a lower gear
before starting down a long or steep
downhill grade. If the transmission is
not shifted down, the brakes may
overheat and result in reduced braking
efficiency.
The vehicle can tow in D (Drive). Shift
the transmission to a lower gear if the
transmission shifts too often under
heavy loads and/or hilly conditions. When towing at higher altitudes,
engine coolant will boil at a lower
temperature than at lower altitudes.
If the engine is turned off immediately
after towing at high altitude on steep
uphill grades, the vehicle could show
signs similar to engine overheating. To
avoid this, let the engine run,
preferably on level ground, with the
transmission in P (Park) for a few
minutes before turning the engine off.
If the overheat warning comes on, see
Engine Overheating
0375.
Parking on Hills
{Warning
To prevent serious injury or death,
always park your vehicle and trailer
on a level surface when possible.
When parking your vehicle and your
trailer on a hill: 1. Press the brake pedal, but do not shift into P (Park) yet. Turn the
wheels into the curb if facing
downhill or into traffic if facing
uphill.

Cadillac Escalade Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13690472) - 2021 - CRC - 8/10/21
372 VEHICLE CARE
1. Remove the three screws, tilt thecover, and slide it out of the
assembly.
{Warning
If part replacement is necessary,
the part must be replaced with one
of the same part number or with an
equivalent part. Use of a
replacement part without the same
fit, form, and function may result in
personal injury or damage to the
vehicle.
2. Inspect or replace the engine air cleaner/filter. 3. Lower the cover, slide it into the
assembly, then secure with the
three screws.
4. If equipped, reset the engine air filter life system after replacing the
engine air filter. See Engine Air
Filter Life System 0371.
{Warning
Operating the engine with the air
cleaner/filter off can cause you or
others to be burned. Use caution
when working on the engine. Do
not start the engine or drive the
vehicle with the air cleaner/filter
off, as flames may be present if the
engine backfires.
Caution
If the air cleaner/filter is off, dirt
can easily get into the engine,
which could damage it. Always have
the air cleaner/filter in place when
driving.
Cooling System
If the vehicle has the Duramax diesel
engine, see the Duramax diesel
supplement.
The cooling system allows the engine
to maintain the correct working
temperature.
1. Engine Electric Cooling Fans (Out
of View)
2. Coolant Surge Tank and Pressure Cap

Cadillac Escalade Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13690472) - 2021 - CRC - 8/10/21
VEHICLE CARE 373
{Warning
An underhood electric fan can start
up even when the engine is not
running and can cause injury. Keep
hands, clothing, and tools away
from any underhood electric fan.
{Warning
Do not touch heater, radiator, a/c
pipes or hoses, or other engine
parts. They can be very hot and can
burn you. Do not run the engine if
there is a leak; all coolant could
leak out. That could cause an
engine fire and can burn you. Fix
any leak before driving the vehicle.
Engine Coolant
The cooling system in the vehicle is
filled with DEX-COOL engine coolant.
This coolant is designed to remain in
the vehicle for 5 years or 240 000 km
(150,000 mi), whichever occurs first.The following explains the cooling
system and how to check and add
coolant when it is low. If there is a
problem with engine overheating, see
Engine Overheating
0375.
What to Use
{Warning
Plain water, or other liquids such as
alcohol, can boil before the proper
coolant mixture will. With plain
water or the wrong mixture, the
engine could get too hot but there
would not be an overheat warning.
The engine could catch fire and you
or others could be burned.
Use a 50/50 mixture of clean,
drinkable water and DEX-COOL
coolant. This mixture:
.Gives freezing protection down to
−37 °C (−34 °F), outside temperature.
.Gives boiling protection up to
129 °C (265 °F), engine temperature.
.Protects against rust and corrosion.
.Will not damage aluminum parts.
.Helps keep the proper engine
temperature.
Caution
Do not use anything other than a
mix of DEX-COOL coolant that
meets GM Standard GMW3420 and
clean, drinkable water. Anything
else can cause damage to the
engine cooling system and the
vehicle, which would not be covered
by the vehicle warranty.
Never dispose of engine coolant by
putting it in the trash, or by pouring it
on the ground, or into sewers,
streams, or bodies of water. Have the
coolant changed by an authorized
service center, familiar with legal
requirements regarding used coolant
disposal. This will help protect the
environment and your health.
Checking Coolant
The coolant surge tank is in the
engine compartment on the driver
side of the vehicle. See Engine
Compartment Overview 0366.
The vehicle must be on a level surface
when checking the coolant level.

Cadillac Escalade Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13690472) - 2021 - CRC - 8/10/21
VEHICLE CARE 375
1. Remove the coolant surge tankpressure cap when the cooling
system, including the coolant surge
tank pressure cap and upper
radiator hose, is no longer hot.
Turn the pressure cap slowly
counterclockwise about one full
turn. If a hiss is heard, wait for that
to stop. A hiss means there is still
some pressure left.
2. Keep turning the pressure cap slowly, and remove it.
3. Fill the coolant surge tank with the proper mixture to the full
cold mark.
4. With the coolant surge tank pressure cap off, start the engine
and let it run until the engine
coolant temperature gauge
indicates approximately 90 °C
(195 °F). By this time, the coolant level
inside the coolant surge tank may
be lower. If the level is lower, add
more of the proper mixture to the
coolant surge tank until the level
reaches the indicated mark.
5. Replace the pressure cap tightly.
6. Verify coolant level after the engine is shut off and the coolant is cold.
If necessary, repeat coolant fill
procedure Steps 1–6.
Caution
If the pressure cap is not tightly
installed, coolant loss and engine
damage may occur. Be sure the cap
is properly and tightly secured.
Engine Overheating
If the vehicle has a diesel engine, see
the Duramax diesel supplement.
Caution
Do not run the engine if there is a
leak in the engine cooling system.
This can cause a loss of all coolant
(Continued)
Caution (Continued)
and can damage the system and
vehicle. Have any leaks fixed
right away.
The vehicle has several indicators to
warn of engine overheating.
There is a coolant temperature gauge
and an engine coolant temperature
warning light in the vehicle's
instrument cluster. See Engine Coolant
Temperature Gauge 0117 and
Engine Coolant Temperature Warning
Light 0128.
In addition, there are ENGINE
OVERHEATED STOP ENGINE,
ENGINE OVERHEATED IDLE ENGINE,
and ENGINE POWER IS REDUCED
messages in the Driver Information
Center (DIC).
If the decision is made not to lift the
hood when this warning appears, get
service help right away. See Roadside
Service 0462.
If the decision is made to lift the
hood, make sure the vehicle is parked
on a level surface.

Cadillac Escalade Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13690472) - 2021 - CRC - 8/10/21
376 VEHICLE CARE
Check to see if the engine cooling
fan(s) are running. If the engine is
overheating, the fans should be
running. If they are not, do not
continue to run the engine. Have the
vehicle serviced.
If Steam is Coming from the
Engine Compartment
{Warning
Steam and scalding liquids from a
hot cooling system are under
pressure. Turning the pressure cap,
even a little, can cause them to
come out at high speed and you
could be burned. Never turn the cap
when the cooling system, including
the pressure cap, is hot. Wait for
the cooling system and pressure
cap to cool.
If No Steam is Coming from the
Engine Compartment
The ENGINE OVERHEATED STOP
ENGINE or the ENGINE
OVERHEATED IDLE ENGINE message,
along with a low coolant condition,
can indicate a serious problem.If there is an engine overheat warning,
but no steam is seen or heard, the
problem may not be too serious.
Sometimes the engine can get a little
too hot when the vehicle:
.Climbs a long hill on a hot day.
.Stops after high-speed driving.
.Idles for long periods in traffic.
.Tows a trailer; see
Trailer Towing
0 334.
If the ENGINE OVERHEATED STOP
ENGINE or the ENGINE
OVERHEATED IDLE ENGINE message
appears with no sign of steam, try this
for a minute or so: 1. Turn the air conditioning off.
2. Turn the heater on to the highest temperature and to the highest fan
speed. Open the windows as
necessary.
3. When it is safe to do so, pull off the road, shift to P (Park) or
N (Neutral), and let the engine idle.
If the engine coolant temperature
gauge is no longer in the overheat
zone or an overheat warning no longer
displays, the vehicle can be driven.
Continue to drive the vehicle slowly for about 10 minutes. Keep a safe
vehicle distance from the vehicle in
front. If the warning does not come
back on, continue to drive normally
and have the cooling system checked
for proper fill and function.
If the warning continues, pull over,
stop, and park the vehicle right away.
If there is still no sign of steam and
the vehicle is equipped with an engine
driven cooling fan, push down the
accelerator until the engine speed is
about twice as fast as normal idle
speed for at least five minutes while
the vehicle is parked. If the warning is
still there, turn off the engine and get
everyone out of the vehicle until it
cools down.
If there is no sign of steam, idle the
engine for five minutes while parked.
If the warning is still displayed, turn
off the engine until it cools down.
Engine Fan
If the vehicle has a diesel engine, see
the Duramax diesel supplement.

Cadillac Escalade Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13690472) - 2021 - CRC - 8/10/21
VEHICLE CARE 377
If the vehicle has electric cooling fans,
the fans may be heard spinning at low
speed during most everyday driving.
The fans may turn off if no cooling is
required. Under heavy vehicle loading,
trailer towing, high outside
temperatures, or operation of the air
conditioning system, the fans may
change to high speed and an increase
in fan noise may be heard. This is
normal and indicates that the cooling
system is functioning properly. The
fans will change to low speed when
additional cooling is no longer
required.
The electric engine cooling fans may
run after the engine has been turned.
off. This is normal and no service is
required.
Washer Fluid
What to Use
When windshield washer fluid needs
to be added, be sure to read the
manufacturer's instructions before
use. Use a fluid that has sufficient
protection against freezing in an area
where the temperature may fall below
freezing.
Adding Washer Fluid
The vehicle has a low washer fluid
message on the DIC that comes on
when the washer fluid is low. The
message is displayed for 15 seconds at
the start of each ignition cycle. When
the WASHER FLUID LOW ADD FLUID
message displays, washer fluid will
need to be added to the windshield
washer fluid reservoir.
Open the cap with the washer symbol
on it. Add washer fluid until the tank
is full. SeeEngine Compartment
Overview 0366 for reservoir location.
Caution
.Do not use washer fluid that
contains any type of water
repellent coating. This can cause
the wiper blades to chatter
or skip.
(Continued)
Caution (Continued)
.Do not use engine coolant
(antifreeze) in the windshield
washer. It can damage the
windshield washer system and
paint.
.Do not mix water with
ready-to-use washer fluid. Water
can cause the solution to freeze
and damage the washer fluid
tank and other parts of the
washer system.
.When using concentrated washer
fluid, follow the manufacturer
instructions for adding water.
.Fill the washer fluid tank only
three-quarters full when it is very
cold. This allows for fluid
expansion if freezing occurs,
which could damage the tank if
it is completely full.
Brakes
Disc brake pads have built-in wear
indicators that make a high-pitched
warning sound when the brake pads
are worn and new pads are needed.
The sound can come and go or can be

Cadillac Escalade Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13690472) - 2021 - CRC - 8/10/21
INDEX 481
CheckEngine Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 122
Child Restraints Infants and Young Children . . . . . . . 78
Lower Anchors and Tethersfor Children . . . . . . . . . . . . . . . . . . . . . . . 84
Older Children . . . . . . . . . . . . . . . . . . . . . 77
Securing . . . . . . . . . . . . . . . . . . . . . . . . 91, 94
Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Circuit Breakers . . . . . . . . . . . . . . . . . . . . . 385
Cleaning
Exterior Care . . . . . . . . . . . . . . . . . . . . . . 432
Interior Care . . . . . . . . . . . . . . . . . . . . . . 437
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . . . . . 220
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Cluster, Instrument . . . . . . . . . . . . . . . . . 114
Collision Damage Repair . . . . . . . . . . . 465
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Connected Services Connections . . . . . . . . . . . . . . . . . . . . . . . 477
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . 478
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . 476 Connections
Connected Services . . . . . . . . . . . . . . . 477
Control Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Control of a Vehicle . . . . . . . . . . . . . . . . 231
Controls Steering Wheel . . . . . . . . . . . . . . . . . . . . 160
Convenience Net . . . . . . . . . . . . . . . . . . . . 101
Convex Mirrors . . . . . . . . . . . . . . . . . . . . . . 31
Coolant Engine Temperature Gauge . . . . . . 117
Engine Temperature WarningLight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Cooling . . . . . . . . . . . . . . . . . . . . . . . . .220, 224
Cooling System . . . . . . . . . . . . . . . . . . . . . 372
Cornering Lamps . . . . . . . . . . . . . . . . . . . 153
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . 464
Coverage Explanations . . . . . . . . . . . . . 191
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . 271 Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Cruise Control, Adaptive . . . . . . . . . . . 274
Cruise Control, Super . . . . . . . . . . . . . . . 283
Cupholders . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Customer Assistance . . . . . . . . . . . . . . . 460 Offices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 460
Text Telephone (TTY) Users . . . . . 460 Customer Information
Publications Ordering
Information . . . . . . . . . . . . . . . . . . . . . . 467
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . 458
Cybersecurity . . . . . . . . . . . . . . . . . . . . . . . . 469
D
Damage Repair, Collision . . . . . . . . . . . 465
Danger, Warning, and Caution . . . . . . . . 2
Data Collection Infotainment System . . . . . . . . . . . . . 470
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 470
Data Recorders, Event . . . . . . . . . . . . . . 469
Database Coverage Explanations . . . . . . . . . . . . . . . . . . . . . . 191
Daytime Running Lamps (DRL) . . . 151
Defensive Driving . . . . . . . . . . . . . . . . . . . 231
Delayed Locking . . . . . . . . . . . . . . . . . . . . . 19
Destination . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Diagnostics
Connected Services . . . . . . . . . . . . . . . 478
Distracted Driving . . . . . . . . . . . . . . . . . . 230
Dome Lamps . . . . . . . . . . . . . . . . . . . . . . . . 154
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . . . . . 132
Delayed Locking . . . . . . . . . . . . . . . . . . . 19
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Cadillac Escalade Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13690472) - 2021 - CRC - 8/10/21
482 INDEX
Door (cont'd)Power Locks . . . . . . . . . . . . . . . . . . . . . . . . 18
Drive Belt Routing, Engine . . . . . . . . . 457
Driver Teen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Driver Assistance Systems . . . . . . . . . 298
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . . . . . . 132
Driver Mode Control . . . . . . . . . . . . . . . . 266
Driver Mode Control Light . . . . . . . . . 128
Driving Assistance Systems . . . . . . . . . . . . . . . 313
Better Fuel Economy . . . . . . . . . . . . . 230
Characteristics and
Towing Tips . . . . . . . . . . . . . . . . . . . . . 330
Defensive . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Hill and Mountain Roads . . . . . . . . 238
If the Vehicle is Stuck . . . . . . . . . . . . 240
Impaired . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Loss of Control . . . . . . . . . . . . . . . . . . . . 233
Off-Road . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Off-Road Recovery . . . . . . . . . . . . . . . . 233
Vehicle Load Limits . . . . . . . . . . . . . . 240
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . 237
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Dual Automatic Climate
Control System . . . . . . . . . . . . . . . . . . . . 220
Dynamic Fuel Management . . . . . . . . 250E
Electric Brake Boost . . . . . . . . . . . . . . . . 261
Electric Parking Brake . . . . . . . . . . . . . . 261
Electric Parking Brake Light . . . . . . . 124
Electrical Equipment, Add-On . . . . . 360
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386
Fuses and Circuit Breakers . . . . . . . 385
Instrument Panel Fuse Block . . . . 389
Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . 385
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391
Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 472
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . 371
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . . . . . 122
Compartment Overview . . . . . . . . . . 366
Coolant Temperature Gauge . . . . . 117
Coolant Temperature Warning Light . . . . . . . . . . . . . . . . . . . 128
Cooling System . . . . . . . . . . . . . . . . . . . 372
Drive Belt Routing . . . . . . . . . . . . . . . . 457
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376
Oil Life System . . . . . . . . . . . . . . . . . . . . 369 Engine (cont'd)
Oil Pressure Gauge . . . . . . . . . . . . . . . . 116
Oil Pressure Light . . . . . . . . . . . . . . . . . 130
Overheating . . . . . . . . . . . . . . . . . . . . . . . 375
Power Messages . . . . . . . . . . . . . . . . . . 138
Running While Parked . . . . . . . . . . . 251
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Engine Air Filter Life System . . . . . . 371
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . 155
Equipment, Towing . . . . . . . . . . . . . . . . . 338
Event Data Recorders . . . . . . . . . . . . . . 469
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . 155
Extended Parking . . . . . . . . . . . . . . . . . . . 250
Extender, Seat Belt . . . . . . . . . . . . . . . . . . 64
Exterior Lamp Controls . . . . . . . . . . . . 149
Exterior Lamps Off Reminder . . . . . . 151
Exterior Lighting Battery Saver . . . . 156
F
Fan Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376
Filter,
Engine Air Cleaner . . . . . . . . . . . . . . . . 371
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . 151
Flashers, Hazard Warning . . . . . . . . . . 153
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 413
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 440