2010 CADILLAC ESCALADE air condition

If No Steam Is Coming From The
Engine Compartment
The ENGINE OVERHEATED STOP ENGINE or theENGINE OVERHEATED IDLE ENGINE message, alongwith a low coolant condition, can indicate a seriousproblem.
If you get an engine overheat warning, but see or hearno 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. SeeTowing a Trailer on page 6!42.
If you get the ENGINE OVERHEATED STOP ENGINEor the ENGINE OVERHEATED IDLE ENGINE messagewith no sign of steam, try this for a minute or so:
If the overheat warning is displayed with no sign ofsteam:
1. Turn the air conditioning off.
2. Turn the heater on to the highest temperature andto the highest fan speed. Open the windows asnecessary.
3. In heavy traffic, let the engine idle in N (Neutral)while stopped. If it is safe to do so, pull off theroad, shift to P (Park) or N (Neutral) and let theengine idle.
If the temperature overheat gage is no longer in theoverheat zone or an overheat warning no longerdisplays, the vehicle can be driven. Continue to drivethe vehicle slow for about 10 minutes. Keep a safevehicle distance from the car in front of you. If thewarning does not come back on, continue to drivenormally.
If the warning continues, pull over, stop, and park thevehicle right away.
If there is no sign of steam, idle the engine forfive minutes while parked. If the warning is stilldisplayed, turn off the engine until it cools down. Also,see“Overheated Engine Protection Operating Mode”later in this section.
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Overheated Engine Protection
Operating Mode
If an overheated engine condition exists and theENGINE POWER IS REDUCED message is displayed,an overheat protection mode which alternates firinggroups of cylinders helps prevent engine damage. Inthis mode, you will notice a loss in power and engineperformance. This operating mode allows the vehicle tobe driven to a safe place in an emergency. Drivingextended miles (km) and/or towing a trailer in theoverheat protection mode should be avoided.
Notice:After driving in the overheated engineprotection operating mode, to avoid engine damage,allow the engine to cool before attempting anyrepair. The engine oil will be severely degraded.Repair the cause of coolant loss, change the oil andreset the oil life system. SeeEngine Oilonpage 7!17.
Engine Fan Noise
The vehicle has electric cooling fans. You might hearthe fans spinning at low speed during most everydaydriving. The fans can turn off if no cooling is required.Under heavy vehicle loading, trailer towing, and/or highoutside temperatures, or if you are operating the airconditioning system, the fans can change to high speedand you might hear an increase in fan noise. This isnormal and indicates that the cooling system isfunctioning properly. The fans change to low speedwhen additional cooling is no longer required.
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Brake Wear
This vehicle has disc brakes. Disc brake pads havebuilt-in wear indicators that make a high-pitchedwarning sound when the brake pads are worn and newpads are needed. The sound can come and go or beheard all the time the vehicle is moving, except whenapplying the brake pedal firmly.
{WARNING:
The brake wear warning sound means that soon
the brakes will not work well. That could lead to
an accident. When the brake wear warning sound
is heard, have the vehicle serviced.
Notice:Continuing to drive with worn-out brakepads could result in costly brake repair.
Some driving conditions or climates can cause a brakesqueal when the brakes are first applied or lightlyapplied. This does not mean something is wrong withthe brakes.
Properly torqued wheel nuts are necessary to helpprevent brake pulsation. When tires are rotated, inspectbrake pads for wear and evenly tighten wheel nuts inthe proper sequence to torque specifications inCapacities and Specifications on page 7!115.
Brake linings should always be replaced as completeaxle sets.
Brake Pedal Travel
See your dealer/retailer if the brake pedal does notreturn to normal height, or if there is a rapid increase inpedal travel. This could be a sign that brake servicemight be required.
Brake Adjustment
Every brake stop, the disc brakes adjust for wear.
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Tire Terminology and Definitions
Air Pressure:The amount of air inside the tire
pressing outward on each square inch of the tire.
Air pressure is expressed in pounds per square
inch (psi) or kilopascal (kPa).
Accessory Weight:This means the combined
weight of optional accessories. Some examples of
optional accessories are, automatic transmission,
power steering, power brakes, power windows,
power seats, and air conditioning.
Aspect Ratio:The relationship of a tire's height
to its width.
Belt:A rubber coated layer of cords that is
located between the plies and the tread. Cords
may be made from steel or other reinforcing
materials.
Bead:The tire bead contains steel wires wrapped
by steel cords that hold the tire onto the rim.
Bias Ply Tire:A pneumatic tire in which the plies
are laid at alternate angles less than 90 degrees
to the centerline of the tread.
Cold Tire Pressure:The amount of air pressure
in a tire, measured in pounds per square inch (psi)
or kilopascals (kPa) before a tire has built up heat
from driving. SeeInflation - Tire Pressureon
page 7!65.
Curb Weight:The weight of a motor vehicle with
standard and optional equipment including the
maximum capacity of fuel, oil, and coolant, but
without passengers and cargo.
DOT Markings:A code molded into the sidewall
of a tire signifying that the tire is in compliance
with the U.S. Department of Transportation (DOT)
motor vehicle safety standards. The DOT code
includes the Tire Identification Number (TIN), an
alphanumeric designator which can also identify
the tire manufacturer, production plant, brand, and
date of production.
GVWR:Gross Vehicle Weight Rating. See
Loading the Vehicleon page 6!32.
GAWR FRT:Gross Axle Weight Rating for the
front axle. SeeLoading the Vehicleon page 6!32.
GAWR RR:Gross Axle Weight Rating for the rear
axle. SeeLoading the Vehicleon page 6!32.
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How to Check
Use a good quality pocket-type gage to check tire
pressure. You cannot tell if your tires are properly
inflated simply by looking at them. Radial tires
may look properly inflated even when they are
underinflated. Check the tire's inflation pressure
when the tires are cold. Cold means your vehicle
has been sitting for at least three hours or driven
no more than 1 mile (1.6 km).
Remove the valve cap from the tire valve stem.
Press the tire gage firmly onto the valve to get a
pressure measurement. If the cold tire inflation
pressure matches the recommended pressure on
the Tire and Loading Information label, no further
adjustment is necessary. If the pressure is low,
add air until you reach the recommended amount.
If you overfill the tire, release air by pushing on
the metal stem in the center of the tire valve.
Recheck the tire pressure with the tire gage.
Be sure to put the valve caps back on the valve
stems. They help prevent leaks by keeping out dirt
and moisture.
High-Speed Operation
{WARNING:
Driving at high speeds, 160 km/h (100 mph) or
higher, puts an additional strain on tires.
Sustained high-speed driving causes excessive
heat build up and can cause sudden tire failure.
You could have a crash and you or others could
be killed. Some high-speed rated tires require
inflation pressure adjustment for high speed
operation. When speed limits and road conditions
are such that a vehicle can be driven at high
speeds, make sure the tires are rated for high
speed operation, in excellent condition, and set to
the correct cold tire inflation pressure for the
vehicle load.
If your vehicle has P265/65R18 or P285/45R22 sizetires and you will be driving at high speeds, speeds of100 mph (160 km/h) or higher, set the cold inflationpressure to 3 psi (20 kPa) above the recommended tirepressure shown on the Tire and Loading InformationLabel. When you end this high!speed driving, return thetires to the cold inflation pressure shown on the Tire andLoading Information label. SeeLoading the Vehicleonpage 6!32andInflation - Tire Pressure on page 7!65.
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Federal Communications Commission
(FCC) and Industry and Science Canada
SeeRadio Frequency Statementon page 9!20forinformation regarding Part 15 of the FederalCommunications Commission (FCC) Rules andRSS-210/211 of Industry and Science Canada.
Tire Pressure Monitor Operation
If your vehicle is a Two!mode Hybrid, see theTwo!mode Hybrid manual for more information.
This vehicle may have a Tire Pressure Monitor System(TPMS). The TPMS is designed to warn the driver whena low tire pressure condition exists. TPMS sensors aremounted onto each tire and wheel assembly, excludingthe spare tire and wheel assembly. The TPMS sensorsmonitor the air pressure in the vehicle's tires andtransmit the tire pressure readings to a receiver locatedin the vehicle.
When a low tire pressurecondition is detected, theTPMS illuminates the lowtire pressure warning lightlocated on the instrumentpanel cluster.
At the same time a message to check the pressure in aspecific tire appears on the Driver Information Center(DIC) display. The low tire pressure warning light andthe DIC warning message come on at each ignitioncycle until the tires are inflated to the correct inflationpressure. Using the DIC, tire pressure levels can beviewed by the driver. For additional information anddetails about the DIC operation and displays seeDICOperation and Displayson page 4!41andDICWarnings and Messages on page 4!48.
The low tire pressure warning light may come on in coolweather when the vehicle is first started, and then turnoff as you start to drive. This could be an early indicatorthat the air pressure in the tire(s) are getting low andneed to be inflated to the proper pressure.
A Tire and Loading Information label, attached to yourvehicle, shows the size of your vehicle's originalequipment tires and the correct inflation pressure foryour vehicle's tires when they are cold. SeeLoading theVehicleon page 6!32, for an example of the Tire andLoading Information label and its location on yourvehicle. Also seeInflation - Tire Pressure on page 7!65.
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When It Is Time for New Tires
Various factors, such as maintenance, temperatures,driving speeds, vehicle loading, and road conditions,influence when you need new tires.
One way to tell when it istime for new tires is tocheck the treadwearindicators, which appearwhen your tires have only1/16 inch (1.6 mm) or lessof tread remaining. Somecommercial truck tiresmay not have treadwearindicators.
You need new tires if any of the following statementsare true:
.You can see the indicators at three or moreplaces around the tire.
.You can see cord or fabric showing throughthe tire's rubber.
.The tread or sidewall is cracked, cut, or snaggeddeep enough to show cord or fabric.
.The tire has a bump, bulge, or split.
.The tire has a puncture, cut, or other damage thatcannot be repaired well because of the size orlocation of the damage.
The rubber in tires degrades over time, even if they arenot being used. This is also true for the spare tire,if your vehicle has one. Multiple conditions affect howfast this aging takes place, including temperatures,loading conditions, and inflation pressure maintenance.With proper care and maintenance tires will typicallywear out before they degrade due to age. If you areunsure about the need to replace your tires as they getolder, consult the tire manufacturer for more information.
Buying New Tires
GM has developed and matched specific tires for yourvehicle. The original equipment tires installed on yourvehicle, when it was new, were designed to meetGeneral Motors Tire Performance Criteria Specification(TPC spec) system rating. If you need replacementtires, GM strongly recommends that you get tires withthe same TPC Spec rating. This way, your vehicle willcontinue to have tires that are designed to give thesame performance and vehicle safety, during normaluse, as the original tires.
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Temperature–A, B, C
The temperature grades are A (the highest),
B, and C, representing the tire's resistance to the
generation of heat and its ability to dissipate heat
when tested under controlled conditions on a
specified indoor laboratory test wheel. Sustained
high temperature can cause the material of the
tire to degenerate and reduce tire life, and
excessive temperature can lead to sudden tire
failure. The grade C corresponds to a level of
performance which all passenger car tires must
meet under the Federal Motor Vehicle Safety
Standard No. 109. Grades B and A represent
higher levels of performance on the laboratory test
wheel than the minimum required by law. It should
be noted that the temperature grade for this tire is
established for a tire that is properly inflated and
not overloaded. Excessive speed, underinflation,
or excessive loading, either separately or in
combination, can cause heat buildup and possible
tire failure.
Wheel Alignment and Tire Balance
The tires and wheels on your vehicle were aligned andbalanced carefully at the factory to give you the longesttire life and best overall performance. Adjustments towheel alignment and tire balancing will not benecessary on a regular basis. However, if you noticeunusual tire wear or your vehicle pulling to one side orthe other, the alignment might need to be checked.If you notice your vehicle vibrating when driving on asmooth road, the tires and wheels might need to berebalanced. See your dealer/retailer for properdiagnosis.
Wheel Replacement
Replace any wheel that is bent, cracked, or badlyrusted or corroded. If wheel nuts keep coming loose,the wheel, wheel bolts, and wheel nuts should bereplaced. If the wheel leaks air, replace it (except somealuminum wheels, which can sometimes be repaired).See your dealer/retailer if any of these conditions exist.
Your dealer/retailer will know the kind of wheelyou need.
Each new wheel should have the same load-carryingcapacity, diameter, width, offset, and be mounted thesame way as the one it replaces.
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