overheating CADILLAC ESCALADE ESV 2007 2.G Owners Manual

Retained Accessory Power (RAP)
Your vehicle has a Retained Accessory Power
(RAP) feature which will allow certain features on
your vehicle to continue to work up to 10 minutes
after the ignition key is turned to LOCK.
The radio, power windows, and if the vehicle has
a sunroof and the OnStar
®System, will work
when the ignition key is in RUN or ACCESSORY.
Once the key is turned from RUN to LOCK,
these features will continue to work for up to
10 minutes or until a door is opened.
Starting the Engine
Move your shift lever to PARK (P) or
NEUTRAL (N). Your engine will not start in
any other position — that is a safety feature.
To restart when you are already moving,
use NEUTRAL (N) only.
Notice:Do not try to shift to PARK (P) if your
vehicle is moving. If you do, you could
damage the transmission. Shift to PARK (P)
only when your vehicle is stopped.1. With your foot off the accelerator pedal, turn
the ignition key to START. When the engine
starts, let go of the key. The idle speed will go
down as your engine gets warm.
Your vehicle has a Computer-Controlled
Cranking System. This feature assists in
starting the engine and protects the electrical
system. If the ignition key is turned to the
START, and then released when the engine
begins cranking, the engine will continue
cranking until the vehicle starts or until
it exceeds the maximum cranking time allowed,
approximately 15 seconds to prevent cranking
motor damage. To prevent gear damage,
this system also prevents cranking if the
engine is already running. The engine cranking
can be stopped by turning the ignition switch
to the ACCESSORY or LOCK.
Notice:Cranking the engine for long periods
of time, by returning the key to the START
position immediately after cranking has ended,
can overheat and damage the cranking
motor and drain the battery. Waiting about
15 seconds between each try, to allow
the cranking motor to cool down, will prevent
damage due to overheating.
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Ashtray(s) and Cigarette Lighter
The front ashtray and cigarette lighter are located
in the center console near the cupholders, if
the vehicle has them. Press on the access door to
open it and use the ashtray and lighter.
Notice:If you put papers, pins, or other
ammable items in the ashtray, hot cigarettes
or other smoking materials could ignite
them and possibly damage your vehicle. Never
put ammable items in the ashtray.
To remove the ashtray, pull it from the center
console. Slide it back in and push down to be sure
it is secure.
To use the cigarette lighter, push it in all the way,
and let go. When it is ready, it will pop back
out by itself.
Notice:Holding a cigarette lighter in while it
is heating will not allow the lighter to back
away from the heating element when it is hot.
Damage from overheating may occur to the
lighter or heating element, or a fuse could be
blown. Do not hold a cigarette lighter in
while it is heating.
Analog Clock
The analog clock is located on the instrument
panel above the radio. The clock is not connected
with any other vehicle system and runs by
itself. To adjust the clock, do the following:
1. Locate the adjustment button directly below
the clock face.
2. Push and hold the adjustment button to
advance the clock hands. Holding the
button down will cause the clock to advance
faster. Release the buttonbeforeyou get
to the desired time.
3. Push and release the button to increase the
time by one minute increments until the
desired time is reached.
219

If the StabiliTrak®system warning light comes
on and stays on for an extended period of
time when the system is turned on, your vehicle
needs service. SeeStabiliTrak
®System on
page 330for more information.
Engine Coolant Temperature Gage
This gage shows the
engine coolant
temperature.
If the gage pointer moves towards the shaded in
thermostat, it means that your engine coolant
has overheated. If you have been operating your
vehicle under normal driving conditions, you
should pull off the road, stop your vehicle and turn
off the engine as soon as possible.
SeeEngine Overheating on page 422.
Tire Pressure Light
This light will come on
briey when you turn
the ignition to RUN.
This light will also come on when one or more of
your tires are signicantly underinated.
If equipped, a CHECK TIRE PRESSURE DIC
message will accompany the light.
Stop and check your tires as soon as it is safe to do
so. If underinated, inate to the proper pressure.
SeeTires on page 454for more information.
This light will ash for 60 seconds and then turn
on solid if a problem is detected with the Tire
Pressure Monitor system.
SeeTire Pressure Monitor System on page 462
for more information.
238

ENGINE OIL LOW ADD OIL
If your vehicle has an oil level sensor and the oil
level in the vehicle is low, this message will
display. Check the oil level and correct it as
necessary. You may need to let the vehicle cool
or warm up and cycle the ignition to be sure
this message will clear.
This message will clear itself after 10 seconds,
until the next ignition cycle. SeeEngine Oil
on page 407for additional information.
ENGINE OVERHEATED IDLE ENGINE
Notice:If you drive your vehicle while the
engine is overheating, severe engine damage
may occur. If an overheat warning appears
on the instrument panel cluster and/or
DIC, stop the vehicle as soon as possible.
SeeEngine Overheating on page 422for more
information.
This message will display when the engine coolant
temperature is too hot. Stop and allow the
vehicle to idle until it cools down. SeeEngine
Coolant Temperature Gage on page 238.SeeOverheated Engine Protection Operating
Mode on page 424for information on driving to a
safe place in an emergency.
ENGINE OVERHEATED STOP ENGINE
Notice:If you drive your vehicle while the
engine is overheating, severe engine damage
may occur. If an overheat warning appears
on the instrument panel cluster and/or
DIC, stop the vehicle as soon as possible.
SeeEngine Overheating on page 422for more
information.
If the engine cooling system reaches unsafe
temperatures for operation, this message will
display and a chime will sound. Stop and turn off
the vehicle as soon as it is safe to do so to avoid
severe damage. This message will clear when the
engine has cooled to a safe operating temperature.
252

ENGINE POWER IS REDUCED
This message will display and a chime will sound
when the cooling system temperature gets too
hot and the engine further enters the engine
coolant protection mode. SeeEngine Overheating
on page 422for further information.
This message will also display when the vehicle’s
engine power is reduced. Reduced engine power
can affect the vehicle’s ability to accelerate. If this
message is on, but there is no reduction in
performance, proceed to your destination. The
performance may be reduced the next time the
vehicle is driven. The vehicle may be driven at a
reduced speed while this message is on, but
acceleration and speed may be reduced. Anytime
this message stays on, the vehicle should be taken
to your dealer for service as soon as possible.
FUEL LEVEL LOW
If the fuel level is low, this message will display
and a chime will sound. Refuel as soon as
possible. SeeFuel Gage on page 244and
Fuel on page 398for more information.
HOOD OPEN
If the hood is not fully closed, this message will
display and a chime will sound. Stop and turn
off the vehicle, check the hood for obstructions,
and close the hood again. Check to see if the
message still appears on the DIC.
LEFT REAR DOOR OPEN
If the driver’s side rear door is not fully closed and
the vehicle is in a drive gear, this message will
display and a chime will sound. Stop and turn
off the vehicle, check the door for obstructions,
and close the door again. Check to see if the
message still appears on the DIC.
MANUAL SHIFT X
If your vehicle has the Range Selection Mode
and the shift lever is in the MANUAL MODE (M)
position, the DIC will display this message
along with the current gear. If shifting is prevented
for any reason, the currently selected gear
will ash multiple times, indicating that the
transmission has not shifted gears. SeeAutomatic
Transmission Operation on page 144for more
information.
253

SERVICE TIRE MONITOR SYSTEM
If your vehicle has the Tire Pressure Monitor
(TPM) system, this message will display if a part
on the system is not working properly. If you
drive your vehicle while any of the four sensors
are missing or inoperable, the warning will
come on in about 20 minutes. A sensor would be
missing, for example, if you put different wheels
on your vehicle without transferring the sensors.
If the warning comes on and stays on, there
may be a problem with the TPM. See your dealer.
SERVICE TRACTION CONTROL
If your vehicle has StabiliTrak®, this message will
display when there is a problem with the traction
control system. When this message is displayed,
the system will not limit wheel spin. Adjust
your driving accordingly. See your dealer for
service. SeeStabiliTrak
®System on page 330
for more information.
STABILITRAK OFF
If your vehicle has StabiliTrak®, this message will
display when you turn off StabiliTrak®, or when
the stability control has been automatically
disabled. To limit wheel spin and realize the full
benets of the stability enhancement system, you
should normally leave StabiliTrak
®on. However,
you should turn StabiliTrak®off if your vehicle gets
stuck in sand, mud, ice, or snow and you want
to rock your vehicle to attempt to free it, or if you
are driving in extreme off-road conditions and
require more wheel spin. SeeIf Your Vehicle is
Stuck in Sand, Mud, Ice, or Snow on page 368.
To turn the StabiliTrak
®system on or off, see
StabiliTrak®System on page 330.
There are several conditions that can cause this
message to appear.
One condition is overheating, which could
occur if StabiliTrak®activates continuously
for an extended period of time.
The message will also be displayed if the
brake system warning light is on. See
Brake System Warning Light on page 235.
257

TRANSMISSION HOT IDLE ENGINE
Notice:If you drive your vehicle while
the transmission uid is overheating and the
transmission temperature warning is displayed
on the instrument panel cluster and/or DIC,
you can damage the transmission. This could
lead to costly repairs that would not be
covered by your warranty. Do not drive your
vehicle with overheated transmission uid
or while the transmission temperature warning
is displayed.
If the transmission uid in the vehicle gets hot,
this message will display along with a continuous
chime. Driving with the transmission uid
temperature high can cause damage to the
vehicle. Stop the vehicle and let it idle to allow the
transmission to cool. This message will clear
and the chime will stop when the uid temperature
reaches a safe level.
TURN SIGNAL ON
If a turn signal is left on for 3/4 of a mile (1.2 km),
this message will display and a chime will
sound. Move the turn signal/multifunction lever to
the off position.
WASHER FLUID LOW ADD FLUID
If the washer uid level is low, this message will
display. Adding washer uid to the windshield
washer reservoir will clear the message. See
Windshield Washer Fluid on page 431.
This message will clear itself after 10 seconds,
until the next ignition cycle.
DIC Vehicle Customization
Your vehicle may have customization capabilities
that allow you to program certain features to
one preferred setting. Customization features
can only be programmed to one setting on
the vehicle and cannot be programmed to a
preferred setting for two different drivers.
All of the customization options may not be
available on your vehicle. Only the options
available will be displayed on your DIC.
The default settings for the customization features
were set when your vehicle left the factory, but
may have been changed from their default
state since then.
The customization preferences are automatically
recalled.
259

Turn Signals When Towing a Trailer
The arrows on your instrument panel will
ash whenever you signal a turn or lane change.
Properly hooked up, the trailer lamps will also
ash, telling other drivers you’re about to
turn, change lanes or stop.
When towing a trailer, the arrows on your
instrument panel will ash for turns even if the bulbs
on the trailer are burned out. Thus, you may think
drivers behind you are seeing your signal when
they are not. It’s important to check occasionally to
be sure the trailer bulbs are still working.
Driving On Grades
Reduce speed and shift to a lower gearbefore
you start down a long or steep downgrade. If you
don’t shift down, you might have to use your
brakes so much that they would get hot and no
longer work well.You can tow in DRIVE (D). You may want to shift
the transmission to THIRD (3) or, if necessary,
a lower gear selection if the transmission shifts
too often (e.g., under heavy loads and/or hilly
conditions).
You may also want to activate the tow/haul
mode if the transmission shifts too often.
See “Tow/Haul Mode” earlier.
When towing at high altitude on steep uphill
grades, consider the following: Engine coolant at
or near sea level will boil at a lower temperature
than at higher altitudes. If you turn your engine
off immediately after towing at high altitude
on steep uphill grades, your vehicle may show
signs similar to engine overheating. To avoid this,
let the engine run while parked (preferably on
level ground) with the automatic transmission
in PARK (P) for at least ve minutes before
turning the engine off. If you do get the overheat
warning, seeEngine Overheating on page 422.
389

Service........................................................ 396
Accessories and Modications................... 396
California Proposition 65 Warning.............. 397
Doing Your Own Service Work.................. 397
Adding Equipment to the Outside of Your
Vehicle................................................... 398
Fuel............................................................. 398
Gasoline Octane........................................ 398
Gasoline Specications.............................. 398
California Fuel........................................... 399
Additives................................................... 399
Fuels in Foreign Countries........................ 400
Filling the Tank......................................... 401
Filling a Portable Fuel Container............... 403
Checking Things Under the Hood.............. 404
Hood Release........................................... 405
Engine Compartment Overview.................. 406
Engine Oil................................................. 407
Engine Oil Life System.............................. 410
Engine Air Cleaner/Filter............................ 412
Automatic Transmission Fluid.................... 415
Engine Coolant.......................................... 419Coolant Surge Tank Pressure Cap............ 422
Engine Overheating................................... 422
Overheated Engine Protection
Operating Mode..................................... 424
Cooling System......................................... 425
Engine Fan Noise..................................... 430
Power Steering Fluid ................................. 430
Windshield Washer Fluid........................... 431
Brakes...................................................... 433
Battery...................................................... 436
Jump Starting............................................ 437
All-Wheel Drive........................................... 443
Rear Axle.................................................... 444
Front Axle................................................... 445
Headlamp Aiming........................................ 446
Bulb Replacement....................................... 449
High Intensity Discharge (HID) Lighting..... 449
Back-Up Lamps......................................... 449
License Plate Lamp................................... 451
Replacement Bulbs................................... 451
Section 5 Service and Appearance Care
393

Consistency of Readings
Always check the uid level at least twice using
the procedures described. Consistency (repeatable
readings) is important to maintaining proper uid
level. If uid is added, it may take 15 minutes
or longer to obtain an accurate reading because of
residual uid draining down the dipstick tube.
If inconsistent readings persist, check the
transmission breather to be sure it is clean and
not clogged. If readings are still inconsistent,
contact your dealer.
Engine Coolant
The cooling system in your vehicle is lled with
DEX-COOL®engine coolant. This coolant is
designed to remain in your vehicle for ve years or
150,000 miles (240 000 km), whichever occurs
rst, if you add only DEX-COOL
®extended
life coolant.
The following explains your cooling system and
how to add coolant when it is low. If you have
a problem with engine overheating, seeEngine
Overheating on page 422.A 50/50 mixture of clean, drinkable water and
DEX-COOL
®coolant will:
Give freezing protection down to
−34°F (−37°C).
Give boiling protection up to 265°F (129°C).
Protect against rust and corrosion.
Help keep the proper engine temperature.
Let the warning lights and gages work as they
should.
Notice:Using coolant other than DEX-COOL
®
may cause premature engine, heater core,
or radiator corrosion. In addition, the engine
coolant may require changing sooner, at
the rst maintenance service after each
30,000 miles (50 000 km) or 24 months,
whichever occurs rst. Any repairs would not
be covered by your warranty. Always use
DEX-COOL
®(silicate-free) coolant in your
vehicle.
419