2010 JEEP LIBERTY engine overheat

HAZARD WARNING FLASHER
The Hazard Warning flasher switch is located in the
switch bank below the climate controls.Press the switch to turn on the Hazard Warning
flasher. When the switch is activated, all directional
turn signals will flash on and off to warn oncoming
traffic of an emergency. Press the switch a second time to
turn off the Hazard Warning flasher.
This is an emergency warning system and it should not
be used when the vehicle is in motion. Use it when your
vehicle is disabled and it is creating a safety hazard for
other motorists.
When you must leave the vehicle to seek assistance, the
Hazard Warning flasher will continue to operate even
though the ignition switch is in the LOCK position.
NOTE: With extended use, the Hazard Warning flasher
may wear down your battery.
IF YOUR ENGINE OVERHEATS
In any of the following situations, you can reduce the
potential for overheating your engine by taking the
appropriate action.
•On the highways — slow down.
•In city traffic — while stopped, put transmission in
NEUTRAL, but do not increase engine idle speed.
CAUTION!
Driving with a hot cooling system could damage
your vehicle. If the temperature gauge reads “H,”
pull over and stop the vehicle. Idle the vehicle with
the air conditioner turned off until the pointer drops
back into the normal range. If the pointer remains on
the “H” and you hear continuous chimes, turn the
engine off immediately and call for service.
404 WHAT TO DO IN EMERGENCIES

NOTE:There are steps that you can take to slow down
an impending overheat condition:
•If your air conditioner (A/C) is on, turn it off. The A/C
system adds heat to the engine cooling system and
turning the A/C off can help remove this heat.
•You can also turn the temperature control to maximum
heat, the mode control to floor and the blower control
to high. This allows the heater core to act as a
supplement to the radiator and aids in removing heat
from the engine cooling system.
JACKING AND TIRE CHANGING
WARNING!
•Getting under a jacked-up vehicle is dangerous.
The vehicle could slip off the jack and fall on you.
You could be crushed. Never get any part of your
body under a vehicle that is on a jack. If you need
to get under a raised vehicle, take it to a service
center where it can be raised on a lift.
•The jack is designed to use as a tool for changing
tires only. The jack should not be used to lift the
vehicle for service purposes. The vehicle should
be jacked on a firm level surface only. Avoid ice or
slippery areas.
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WHAT TO DO IN EMERGENCIES 405

Under normal operating conditions, the catalytic con-
verter will not require maintenance. However, it is im-
portant to keep the engine properly tuned to assure
proper catalyst operation and prevent possible catalyst
damage.
CAUTION!
Damage to the catalytic converter can result if your
vehicle is not kept in proper operating condition. In
the event of engine malfunction, particularly involv-
ing engine misfire or other apparent loss of perfor-
mance, have your vehicle serviced promptly. Contin-
ued operation of your vehicle with a severe
malfunction could cause the converter to overheat,
resulting in possible damage to the converter and the
vehicle.NOTE:
Intentional tampering with emissions control
systems can result in civil penalties being assessed
against you.
WARNING!
A hot exhaust system can start a fire if you park over
materials that can burn. Such materials might be
grass or leaves coming into contact with your exhaust
system. Do not park or operate your vehicle in areas
where your exhaust system can contact anything that
can burn.
In unusual situations involving grossly malfunctioning
engine operation, a scorching odor may suggest severe
and abnormal catalyst overheating. If this occurs, safely
bring the vehicle to a complete stop, turn off the engine,
and allow it to cool. Service, including a tune up to
manufacturer’s specifications, should be obtained imme-
diately.
434 MAINTAINING YOUR VEHICLE

WARNING!
•The warning words “DO NOT OPEN HOT” on
the cooling system pressure cap are a safety pre-
caution. Never add engine coolant (antifreeze)
when the engine is overheated. Do not loosen or
remove the cap to cool an overheated engine. Heat
causes pressure to build up in the cooling system.
To prevent scalding or injury, do not remove the
pressure cap while the system is hot or under
pressure.
•Do not use a pressure cap other than the one
specified for your vehicle. Personal injury or en-
gine damage may result.
Disposal of Used Engine Coolant
Used ethylene glycol based engine coolant (antifreeze) is
a regulated substance requiring proper disposal. Check
with your local authorities to determine the disposalrules for your community. To prevent ingestion by ani-
mals or children, do not store ethylene glycol based
engine coolant (antifreeze) in open containers or allow it
to remain in puddles on the ground. If ingested by a child
or pet, seek emergency assistance immediately. Clean up
any ground spills immediately.
Engine Coolant Level
The coolant bottle provides a quick visual method for
determining that the coolant level is adequate. With the
engine idling, and warm to normal operating temperature,
the level of the engine coolant (antifreeze) in the bottle
should be between the ranges indicated on the bottle.
The radiator normally remains completely full, so there is
no need to remove the radiator cap unless checking for
coolant freeze point or replacing engine coolant (anti-
freeze). Advise your service attendant of this. As long as
the engine operating temperature is satisfactory, the
coolant bottle need only be checked once a month.7
MAINTAINING YOUR VEHICLE 439

DisposalAntifreeze (Engine Coolant) ............... 439
Engine Oil ........................... 426
Door Locks ............................. 28
Door Locks, Automatic .................... 30
Door Opener, Garage ..................... 173
Driving ............................... 321
Off-Pavement ......................... 321
Off-Road ............................ 321
On Hills ............................ 321
Through Flowing, Rising, or Shallow Standing
Water .............................. 321
When to Use Low Range ................. 321
Electric Remote Mirrors .................... 96
Electrical Outlet, Auxiliary (Power Outlet) ...... 189
Electrical Power Outlets ................... 189
Electronic Brake Control System ............. 331
Anti-Lock Brake System ................. 332 Brake Assist System
.................... 333
Electronic Roll Mitigation ................ 334
Electronic Stability Program ............... 339
Traction Control System ................. 332
Electronic Roll Mitigation (ERM) ............. 334
Electronic Speed Control (Cruise Control) ...... 160
Electronic Stability Program (ESP) ............ 339
Electronic Vehicle Information Center (EVIC) .... 223
Emergency, In Case of Hazard Warning Flasher ................. 404
Jacking ............................. 405
Jump Starting ......................... 412
Overheating .......................... 404
Towing ............................. 414
Emission Control System Maintenance ......421,470
Engine ............................... 419
Air Cleaner .......................... 427
Block Heater ......................... 301
Break-In Recommendations ................ 85
504 INDEX

Checking Oil Level..................... 424
Compartment ......................... 419
Coolant (Antifreeze) ................. 435,466
Cooling ............................. 435
Exhaust Gas Caution .................. 86,377
Fails to Start .......................... 300
Flooded, Starting ...................... 300
Fuel Requirements ..................... 373
Jump Starting ......................... 412
Oil ........................... 424,465,466
Oil Change Interval ...............220,226,425
Oil Filler Cap ......................... 426
Oil Filter ............................ 427
Oil Filter Disposal ..................... 426
Oil Selection ....................... 425,465
Oil Synthetic ......................... 426
Overheating .......................... 404
Starting ............................. 299
Temperature Gauge .................... 215 Engine Oil Viscosity
...................... 426
Engine Oil Viscosity Chart ................. 426
Enhanced Accident Response Feature .......... 72
Entry System, Illuminated .................. 19
Ethanol ............................... 374
Exhaust Gas Caution ................86,377,433
Exhaust System ....................... 86,433
Exterior Finish Care ...................... 449
Exterior Lights .......................... 88
Fabric Care ............................ 451
Filters Air Cleaner .......................... 427
Air Conditioning .................... 293,430
Engine Oil ........................ 427,466
Engine Oil Disposal .................... 426
Finish Care ............................ 449
Flashers Hazard Warning ....................... 404
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INDEX 505

Overdrive.......................... 220,307
Overdrive OFF Switch .................... 307
Overheating, Engine ................... 216,404
Owner’s Manual (Operator Manual) .........5,495
Paint Care ............................. 448
Paint Damage .......................... 448
Panic Alarm ............................ 24
Park Sense System, Rear ................... 163
Parking Brake .......................... 327
Parking On Hill ......................... 327
Passing Light ........................... 153
Personal Settings ........................ 231
Pets .................................. 84
Pets, Transporting ........................ 84
Phone, Cellular .......................... 98
Phone, Hands-Free (uconnect) ............... 98
Placard, Tire and Loading Information ......... 348
Polishing and Waxing ..................... 449 Power
Door Locks ........................... 30
Mirrors .............................. 96
Seats ............................... 135
Steering .......................... 325,327
Sunroof ............................. 180
Sunroof (Sky Slider) ................. 183,446
Windows ............................. 34
Power Steering Fluid ..................... 467
Pregnant Women and Seat Belts .............. 55
Preparation for Jacking .................... 407
Pretensioners Seat Belts ............................ 49
Programmable Electronic Features ............ 231
Programming Transmitters
(Remote Keyless Entry) .................... 19
Radial Ply Tires ......................... 355
Radiator Cap (Coolant Pressure Cap) .......... 438
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INDEX 513