overheating JEEP WRANGLER 2013 JK / 3.G Owners Manual

13. Air Bag Warning LightThis light will turn on for four to eight seconds
as a bulb check when the ignition switch is first
turned to ON/RUN. If the light is either not on
during starting, stays on, or turns on while
driving, have the system inspected at an authorized
dealer as soon as possible. Refer to “Occupant Restraints”
in “Things To Know Before Starting Your Vehicle” for
further information.
14. Rear Axle Lock Indicator — If Equipped
This light indicates when the rear axle lock has
been activated.
15. Tachometer
Indicates the engine speed in revolutions per minute
(RPM x 1000).CAUTION!
Do not operate the engine with the tachometer
pointer in the red area. Engine damage will occur.
16. Coolant Temperature Warning Light
This light warns of an overheated engine condition.
If the light turns on while driving, safely pull over
and stop the vehicle. If the A/C system is on, turn it off.
Also, shift the transmission into NEUTRAL and idle the
vehicle. If the temperature reading does not return to
normal, turn the engine off immediately and call for service.
NOTE: As the coolant temperature gauge approaches
H, this indicator will illuminate and a single chime will
sound. Further overheating will cause the temperature
gauge to pass H.In this case, a continuous chime will
sound, until the engine is allowed to cool or the 4 minutes
duration is expired, whichever come first.
308 UNDERSTANDING YOUR INSTRUMENT PANEL

•Most of the time, when in Automatic Operation, you
can temporarily put the system into Recirculation
mode by pressing the Recirculation button. However,
under certain conditions, while in Automatic mode,
the system is blowing air out the defrost vents. When
these conditions are present, and the Recirculation
button is pressed, the indicator will flash and then turn
off. This tells you that you are unable to go into
Recirculation mode at this time. If you would like the
system to go into Recirculation mode, you must first
move the Mode knob to Panel, Bi-Level and then press
the Recirculation button. This feature reduces the
possibility of window fogging.Operating Tips
NOTE:Refer to the chart at the end of this section for
suggested control settings for various weather conditions.
Summer Operation
The engine cooling system in air-conditioned vehicles
must be protected with a high-quality antifreeze coolant
to provide proper corrosion protection and to protect
against engine overheating. A solution of 50% OAT
(Organic Additive Technology) coolant that meets the
requirements of Chrysler Material Standard MS-12106
and 50% water is recommended. Refer to “Maintenance
Procedures” in “Maintaining Your Vehicle” for proper
coolant selection.
4
UNDERSTANDING YOUR INSTRUMENT PANEL 405

HAZARD WARNING FLASHERS
The Hazard Warning flasher switch is located on the
instrument panel below the climate controls.Press the switch to turn on the Hazard Warning
flasher. When the switch is activated, all direc-
tional 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 flashers.
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 flashers will continue to operate even
though the ignition is placed in the OFF position.
NOTE: With extended use the Hazard Warning flashers
may wear down your battery.
IF YOUR ENGINE OVERHEATS
In any of the following situations, you can reduce the
potential for overheating by taking the appropriate ac-
tion.
• On the highways — slow down.
• In city traffic — while stopped, shift transmission into
NEUTRAL, but do not increase engine idle speed.
CAUTION!
Driving with a hot cooling system could damage
your vehicle. If the temperature gauge reads HOT
(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 HOT (H), and you hear continuous
chimes, turn the engine off immediately, and call for
service.
546 WHAT TO DO IN EMERGENCIES

CAUTION!
Racing the engine or spinning the wheels may lead to
transmission overheating and failure. Allow the en-
gine to idle with the transmission in NEUTRAL for at
least one minute after every five rocking-motion
cycles. This will minimize overheating and reduce
the risk of transmission failure during prolonged
efforts to free a stuck vehicle.
NOTE: Press the ESC Off switch, to place the Electronic
Stability Control (ESC) system in Partial Offmode,
before rocking the vehicle. Refer to “Electronic Brake
Control” in “Starting And Operating” for further infor-
mation. Once the vehicle has been freed, press the ESC
Off switch again to restore ESC Onmode.
CAUTION!
•When “rocking” a stuck vehicle by shifting be-
tween DRIVE/2nd gear and REVERSE, do not spin
the wheels faster than 15 mph (24 km/h), or drive-
train damage may result.
• Revving the engine or spinning the wheels too fast
may lead to transmission overheating and failure.
It can also damage the tires. Do not spin the wheels
above 30 mph (48 km/h) while in gear (no trans-
mission shifting occurring).
560 WHAT TO DO IN EMERGENCIES

CAUTION!
•The catalytic converter requires the use of un-
leaded fuel only. Leaded gasoline will destroy the
effectiveness of the catalyst as an emissions control
device and may seriously reduce engine perfor-
mance and cause serious damage to the engine.
• Damage to the catalytic converter can result if your
vehicle is not kept in proper operating condition.
In the event of engine malfunction, particularly
involving engine misfire or other apparent loss of
performance, have your vehicle serviced promptly.
Continued operation of your vehicle with a severe
malfunction could cause the converter to overheat,
resulting in possible damage to the converter and
vehicle. 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.
NOTE:
Intentional tampering with emissions control sys-
tems can result in civil penalties being assessed against
you.
In unusual situations involving grossly malfunctioning
engine operation, a scorching odor may suggest severe
and abnormal catalyst overheating. If this occurs, stop
the vehicle, turn off the engine and allow it to cool.
Service, including a tune-up to manufacturer’s specifica-
tions, should be obtained immediately.
7
MAINTAINING YOUR VEHICLE 585

Electronic Speed Control (Cruise Control)........180
Electronic Stability Control (ESC) ..............467
Electronic Throttle Control Warning Light ........318
Electronic Vehicle Information Center (EVIC) ......319
Emergency Brake ........................ .456
Emergency, In Case of Jacking .............................. .547
Jump Starting ......................... .555
Tow Hooks ........................... .561
Emission Control System Maintenance ..........571
Engine Air Cleaner .......................... .577
Block Heater ......................... .418
Break-In Recommendations .................99
Compartment ......................... .569
Compartment Identification ................569
Cooling ............................. .586
Exhaust Gas Caution .....................100
Fails to Start .......................... .416Flooded, Starting
...................... .416
Fuel Requirements ..................... .513
Jump Starting ......................... .555
Oil................................. .574
Oil Change Interval ..................... .329
Oil Selection .......................... .575
Oil Synthetic ......................... .576
Overheating .......................... .546
Starting ............................. .414
Temperature Gauge ..................... .309
Engine Oil Viscosity ...................... .576
Engine Oil Viscosity Chart ...................576
Enhanced Accident Response Feature ............70
Entry System, Illuminated ....................23
Ethanol ............................... .514
Event Data Recorder ........................74
Exhaust Gas Caution ...................... .100
Exhaust System .......................... .100
648 INDEX

Filter Disposal........................ .576
Identification Logo ..................... .575
Materials Added to ..................... .576
Pressure Warning Light ...................305
Recommendation ...................... .575
Synthetic ............................ .576
Viscosity ............................ .576
Oil Filter, Selection ....................... .577
Oil Pressure Light ........................ .305
Onboard Diagnostic System ..................570
Operating Precautions ..................... .570
Operator Manual (Owner’s Manual) .............6
Outside Rearview Mirrors ...................112
Overdrive .............................. .432
Overdrive OFF Switch ..................... .432
Overheating, Engine ...................... .309
Owner’s Manual (Operator Manual) .............6Paint Care
............................. .600
Panic Alarm ..............................26
Parking Brake ........................... .456
Passing Light ........................... .172
Personal Settings ......................... .335
Pets ....................................98
Pets, Transporting ..........................98
Phone, Cellular ...........................115
Phone, Hands-Free (Uconnect®) ...............115
Placard, Tire and Loading Information ..........483
Power Door Locks ............................40
Inverter ............................. .188
Mirrors ..............................114
Steering ............................. .455
Windows ..............................43
Pregnant Women and Seat Belts ................61
10
INDEX 655