air condition JEEP CHEROKEE 2021 Owner handbook (in English)

GETTING TO KNOW YOUR INSTRUMENT PANEL
70
— Tire Pressure Monitoring System
(TPMS) Warning Light
The warning light switches on and a message
is displayed to indicate that the tire pressure
is lower than the recommended value and/or
that slow pressure loss is occurring. In these
cases, optimal tire duration and fuel
consumption may not be guaranteed.
Should one or more tires be in the condition
mentioned above, the display will show the
indications corresponding to each tire. Each tire, including the spare (if provided),
should be checked monthly when cold and
inflated to the inflation pressure recom
-
mended by the vehicle manufacturer on the
vehicle placard or tire inflation pressure
label. If your vehicle has tires of a different
size than the size indicated on the vehicle
placard or tire inflation pressure label, you
should determine the proper tire inflation
pressure for those tires.
As an added safety feature, your vehicle has
been equipped with a Tire Pressure Moni -
toring System (TPMS) that illuminates a low
tire pressure warning light when one or more
of your tires is significantly under-inflated.
Accordingly, when the low tire pressure
warning light illuminates, you should stop
and check your tires as soon as possible, and
inflate them to the proper pressure. Driving
on a significantly under-inflated tire causes
the tire to overheat and can lead to tire
failure. Under-inflation also reduces fuel
efficiency and tire tread life, and may affect
the vehicle’s handling and stopping ability. Please note that the TPMS is not a substitute
for proper tire maintenance, and it is the
driver’s responsibility to maintain correct tire
pressure, even if under-inflation has not
reached the level to trigger illumination of
the TPMS low tire pressure telltale.

Your vehicle has also been equipped with a
TPMS malfunction indicator to indicate when
the system is not operating properly. The TPMS
malfunction indicator is combined with the low
tire pressure telltale. When the system detects
a malfunction, the telltale will flash for approx
-
imately one minute and then remain continu -
ously illuminated. This sequence will continue
upon subsequent vehicle start-ups as long as
the malfunction exists. When the malfunction
indicator is illuminated, the system may not be
able to detect or signal low tire pressure as
intended. TPMS malfunctions may occur for a
variety of reasons, including the installation of
replacement or alternate tires or wheels on the
vehicle that prevent the TPMS from functioning
properly. Always check the TPMS malfunction
telltale after replacing one or more tires or
wheels on your vehicle to ensure that the
replacement or alternate tires and wheels allow
the TPMS to continue to function properly.

CAUTION!
Do not continue driving with one or more
flat tires as handling may be
compromised. Stop the vehicle, avoiding
sharp braking and steering. If a tire
puncture occurs, repair immediately using
the dedicated tire repair kit and contact an
authorized dealer as soon as possible.
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77
Anti-Lock Brake Warning Light
The yellow “Anti-Lock Brake Warning Light”
will turn on when the ignition is cycled to the
ON/RUN mode and may stay on for as long
as four seconds.
If the “Anti-Lock Brake Warning Light”
remains on or comes on while driving, it indi-
cates that the anti-lock portion of the brake
system is not functioning and that service is
required. However, the conventional brake
system will continue to operate normally if
the “Anti-Lock Brake Warning Light” is on.
If the “Anti-Lock Brake Warning Light” is on,
the brake system should be serviced as soon
as possible to restore the benefits of
anti-lock brakes. If the “Anti-Lock Brake
Warning Light” does not come on when the
ignition is cycled to the ON/RUN mode, have
the light repaired as soon as possible.
Electronic Brake Control (EBC) System

Your vehicle is equipped with an advanced
Electronic Brake Control (EBC) system. This
system includes Electronic Brake Force Distri -
bution (EBD), Anti-Lock Brake System (ABS),
Brake Assist System (BAS), Hill Start Assist
(HSA), Traction Control System (TCS), Elec-
tronic Stability Control (ESC), and Electronic Roll Mitigation (ERM). These systems work
together to enhance both vehicle stability and
control in various driving conditions.

Your vehicle may also be equipped with
Trailer Sway Control (TSC), Ready Alert
Braking (RAB), Rain Brake Support (RBS),
Dynamic Steering Torque (DST), Hill
Descent Control (HDC), and Selec-Speed
Control (SSC).
Brake System Warning Light
The red “Brake System Warning Light” will
turn on when the ignition is placed in the
ON/RUN mode and may stay on for as long
as four seconds.
If the “Brake System Warning Light”
remains on or comes on while driving, it indi
-
cates that the brake system is not func -
tioning properly and that immediate service
is required. If the “Brake System Warning
Light” does not come on when the ignition is
turned to the ON/RUN mode, have the light
repaired as soon as possible.
Brake Assist System (BAS)
The Brake Assist System (BAS) is designed
to optimize the vehicle’s braking capability
during emergency braking maneuvers. The system detects an emergency braking situa
-
tion by sensing the rate and amount of brake
application and then applies optimum pres -
sure to the brakes. This can help reduce
braking distances. The BAS complements
the Anti-Lock Brake System (ABS). Applying
the brakes very quickly results in the best
BAS assistance. To receive the benefit of the
system, you must apply continuous braking
pressure during the stopping sequence, (do
not “pump” the brakes). Do not reduce brake
pedal pressure unless braking is no longer
desired. Once the brake pedal is released,
the BAS is deactivated.
WARNING!
The Brake Assist System (BAS) cannot
prevent the natural laws of physics from
acting on the vehicle, nor can it increase
the traction afforded by prevailing road
conditions. BAS cannot prevent collisions,
including those resulting from excessive
speed in turns, driving on very slippery
surfaces, or hydroplaning. The capabilities
of a BAS-equipped vehicle must never be
exploited in a reckless or dangerous
manner, which could jeopardize the user's
safety or the safety of others.
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SAFETY
100
(Continued)
BeltAlert warning sequence has completed,
the Seat Belt Reminder Light will remain
solid red until the driver and outboard front
seat passenger are buckled. The BeltAlert
warning sequence may repeat based on
vehicle speed until the driver and occupied
outboard front seat passenger seat belts are
buckled. The driver should instruct all occu-
pants to buckle their seat belts.
Change Of Status
If the driver or outboard front seat passenger
unbuckles their seat belt while the vehicle is
traveling, the BeltAlert warning sequence
will begin until the seat belts are buckled
again.
The outboard front passenger seat BeltAlert
is not active when the outboard front
passenger seat is unoccupied. BeltAlert may
be triggered when an animal or other items
are placed on the outboard front passenger
seat or when the seat is folded flat (if
equipped). It is recommended that pets be
restrained in the rear seat (if equipped) in
pet harnesses or pet carriers that are secured
by seat belts, and cargo is properly stowed. Rear Seat BeltAlert
Rear Seat BeltAlert shows the driver whether
the seat belts in the rear seat are buckled or
unbuckled. When the ignition switch is in the
START or ON/RUN position, a Seat Belt
Reminder Light turns on for each rear seat
position. If a seat belt is buckled, the Seat
Belt Reminder Light for that position will
illuminate solid green. If a seat belt is
unbuckled, the Seat Belt Reminder Light will
illuminate red. If a rear passenger unbuckles
a seat belt that was buckled at the start of
the trip, a single chime will sound and the
Seat Belt Reminder Light for that position
will change from solid green to blinking red.
This will alert the driver to stop the vehicle
until the rear passenger buckles the seat belt
again. After the driver and outboard front
seat passenger have buckled their seat belts
all Seat Belt Reminder Lights will turn off.
BeltAlert can be activated or deactivated by
an authorized dealer. FCA does not recom
-
mend deactivating BeltAlert.
NOTE:
If BeltAlert has been deactivated, the Seat
Belt Reminder Light will turn on and remain
on until the driver and outboard front seat
passenger seat belts are buckled.
Lap/Shoulder Belts
All seating positions in your vehicle are
equipped with lap/shoulder belts.
The seat belt webbing retractor will lock only
during very sudden stops or collisions. This
feature allows the shoulder part of the seat
belt to move freely with you under normal
conditions. However, in a collision the seat
belt will lock and reduce your risk of striking
the inside of the vehicle or being thrown out
of the vehicle.
WARNING!
Relying on the air bags alone could lead
to more severe injuries in a collision. The
air bags work with your seat belt to
restrain you properly. In some collisions,
the air bags won’t deploy at all. Always
wear your seat belt even though you have
air bags.

In a collision, you and your passengers can
suffer much greater injuries if you are not
properly buckled up. You can strike the
interior of your vehicle or other passengers,
or you can be thrown out of the vehicle.
Always be sure you and others in your
vehicle are buckled up properly.

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109
The Air Bag Warning Light does not come
on during the four to eight seconds when
the ignition switch is first in the ON/RUN
position.
The Air Bag Warning Light remains on
after the four to eight-second interval.
The Air Bag Warning Light comes on inter-
mittently or remains on while driving.
NOTE:
If the speedometer, tachometer, or any
engine related gauges are not working, the
Occupant Restraint Controller (ORC) may
also be disabled. In this condition the air
bags may not be ready to inflate for your
protection. Have an authorized dealer service
the air bag system immediately.
Redundant Air Bag Warning Light
If a fault with the Air Bag Warning
Light is detected, which could
affect the Supplemental Restraint
System (SRS), the Redundant Air
Bag Warning Light will illuminate on the
instrument panel. The Redundant Air Bag
Warning Light will stay on until the fault is
cleared. In addition, a single chime will
sound to alert you that the Redundant Air
Bag Warning Light has come on and a fault
has been detected. If the Redundant Air Bag
Warning Light comes on intermittently or
remains on while driving have an authorized
dealer service the vehicle immediately.
For additional information regarding the
Redundant Air Bag Warning Light refer to
“Getting To Know Your Instrument Panel”
section of this manual.
Front Air Bags
This vehicle has front air bags and lap/
shoulder belts for both the driver and front
passenger. The front air bags are a supple -
ment to the seat belt restraint systems. The
driver front air bag is mounted in the center
of the steering wheel. The passenger front air
bag is mounted in the instrument panel,
above the glove compartment. The words
“SRS AIRBAG” or “AIRBAG” are embossed
on the air bag covers.
Front Air Bag/Knee Impact Bolster Locations
WARNING!
Ignoring the Air Bag Warning Light in your
instrument panel could mean you won’t
have the air bag system to protect you in a
collision. If the light does not come on as
a bulb check when the ignition is first
turned on, stays on after you start the
vehicle, or if it comes on as you drive, have
an authorized dealer service the air bag
system immediately.
1 — Passenger Front Air Bag
2 — Driver Front Air Bag
3 — Supplemental Driver Knee Air Bag/
Driver Knee Impact Bolster
4 — Passenger Knee Impact Bolster
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117
Event Data Recorder (EDR)
This vehicle is equipped with an Event Data
Recorder (EDR). The main purpose of an
EDR is to record, in certain crash or near
crash-like situations, such as an air bag
deployment or hitting a road obstacle, data
that will assist in understanding how a
vehicle’s systems performed. The EDR is
designed to record data related to vehicle
dynamics and safety systems for a short
period of time, typically 30 seconds or less.
The EDR in this vehicle is designed to record
such data as:
How various systems in your vehicle were
operating;
Whether or not the driver and passenger
safety belts were buckled/fastened;
How far (if at all) the driver was depressing
the accelerator and/or brake pedal; and,
How fast the vehicle was traveling.These data can help provide a better under
-
standing of the circumstances in which
crashes and injuries occur.
NOTE:
EDR data are recorded by your vehicle only if
a non-trivial crash situation occurs; no data
are recorded by the EDR under normal
driving conditions and no personal data (e.g.,
name, gender, age, and crash location) are
recorded. However, other parties, such as
law enforcement, could combine the EDR
data with the type of personally identifying
data routinely acquired during a crash inves -
tigation.
To read data recorded by an EDR, special
equipment is required, and access to the
vehicle or the EDR is needed. In addition to
the vehicle manufacturer, other parties, such
as law enforcement, that have the special
equipment, can read the information if they
have access to the vehicle or the EDR.
Do not attempt to modify any part of your
air bag system. The air bag may inflate
accidentally or may not function properly
if modifications are made. Take your
vehicle to an authorized dealer for any air
bag system service. If your seat,
including your trim cover and cushion,
needs to be serviced in any way
(including removal or loosening/tight -
ening of seat attachment bolts), take the
vehicle to an authorized dealer. Only
manufacturer approved seat accessories
may be used. If it is necessary to modify
the air bag system for persons with
disabilities, contact an authorized
dealer.
WARNING! (Continued)
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135
Exhaust GasThe best protection against carbon monoxide
entry into the vehicle body is a properly
maintained engine exhaust system.
Whenever a change is noticed in the sound of
the exhaust system, when exhaust fumes can
be detected inside the vehicle, or when the
underside or rear of the vehicle is damaged,
have a competent mechanic inspect the
complete exhaust system and adjacent body
areas for broken, damaged, deteriorated, or
mispositioned parts. Open seams or loose
connections could permit exhaust fumes to
seep into the passenger compartment. In
addition, inspect the exhaust system each
time the vehicle is raised for lubrication or oil
change. Replace as required.
Safety Checks You Should Make Inside
The Vehicle
Seat Belts

Inspect the seat belt system periodically,
checking for cuts, frays, and loose parts.
Damaged parts must be replaced immediately.
Do not disassemble or modify the system.
Front seat belt assemblies must be replaced
after a collision. Rear seat belt assemblies
must be replaced after a collision if they
have been damaged (i.e., bent retractor, torn
webbing, etc.). If there is any question
regarding seat belt or retractor condition,
replace the seat belt.
Air Bag Warning Light
The Air Bag warning 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. After the bulb check, this
light will illuminate with a single chime when
a fault with the Air Bag System has been
detected. It will stay on until the fault is
removed. If the light comes on intermittently
or remains on while driving, have an autho
-
rized dealer service the vehicle immediately.
Refer to “Occupant Restraint Systems” in
“Safety” for further information.
WARNING!
Exhaust gases can injure or kill. They
contain carbon monoxide (CO), which is
colorless and odorless. Breathing it can
make you unconscious and can eventually
poison you. To avoid breathing (CO), follow
these safety tips:
Do not run the engine in a closed garage
or in confined areas any longer than
needed to move your vehicle in or out of
the area.
If you are required to drive with the
trunk/liftgate/rear doors open, make sure
that all windows are closed and the
climate control BLOWER switch is set at
high speed. DO NOT use the recircula-
tion mode.
If it is necessary to sit in a parked vehicle
with the engine running, adjust your
heating or cooling controls to force
outside air into the vehicle. Set the
blower at high speed.
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STARTING AND OPERATING
156
To Manually Turn Off The Stop/Start
System
1. Push the Stop/Start OFF switch (locatedon the switch bank). The light on the
switch will illuminate.
Stop/Start OFF Switch
2. The “STOP/START OFF” message will appear in the instrument cluster display.
Refer to “Warning Lights And Messages”
in “Getting To Know Your Instrument
Panel” in your Owner’s Manual.
3. At the next vehicle stop (after turning off the Stop/Start system), the engine will
not be stopped.
4. The Stop/Start system will reset itself back to the ON mode every time the igni -
tion is turned OFF and back ON.
To Manually Turn On The Stop/Start
System
Push the Stop/Start OFF switch (located on
the switch bank). The light on the switch will
turn off.
For complete details on the Stop/Start
System, refer to the “Stop/Start System” in
the “Starting And Operating” section located
in your Owner’s Manual.
STOP/START SYSTEM —
DIESEL MODELS ONLY
The Stop/Start function is developed to save
fuel and reduce emissions. The system will
stop the engine automatically during a
vehicle stop if the required conditions are
met. Releasing the brake pedal or pressing
the accelerator pedal on an automatic trans -
mission or pressing the clutch pedal on a
manual transmission will automatically
restart the engine.
Automatic Mode

The Stop/Start feature is enabled after every
normal customer engine start. It will remain in
STOP/START NOT READY until you drive
forward with a vehicle speed greater than 4 mph (7 km/h). At that time, the system will
go into STOP/START READY and if all other
conditions are met, can go into a STOP/START
AUTOSTOP ACTIVE “Autostop” mode.

To Activate The Autostop Mode, The Following
Must Occur:
The system must be in STOP/START
READY state. A STOP/START READY
message will be displayed in the instru
-
ment cluster display within the Stop/Start
section. Refer to “Instrument Cluster
Display” in “Getting To Know Your Instru -
ment Panel” in your Owner’s information
for further details.
The vehicle must be completely stopped.
The gear selector must be in DRIVE and
the brake pedal depressed (automatic
transmission) or the gear selector must be
in NEUTRAL and the clutch pedal must be
fully released (manual transmission).
The engine will shut down, the tachometer
will move to the zero position and the Stop/
Start telltale will illuminate indicating you
are in Autostop. While in Autostop, the
Climate Controls system may automatically
adjust airflow to maintain cabin comfort.
Customer settings will be maintained upon
return to an engine running condition.
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IN CASE OF EMERGENCY
202
Jack Usage Precautions
To complete the Use and Maintenance
Handbook to which this supplement is
attached, given below are some instructions
on the proper use of the jack.MaintenanceMake sure grime does not build up on the
“worm screw.”
Keep the “worm screw” lubricated.
Never modify the jack.
Conditions Of Non-Use:
Temperatures below −40°F (-40°C).
On sandy or muddy ground.
On uneven ground.
On steep roads.
In extreme weather conditions: thunder -
storms, typhoons, hurricanes, blizzards,
storms, etc.
NOTE:
The jack requires no adjustment.
The jack cannot be repaired, and in the
event of a fault, it must be replaced by
another genuine one.
No tool other than its cranking device may
be fitted on the jack.
WARNING!
When using the crank, make sure it turns
freely without the risk of scraping hands
against the ground.
Even the moving parts of the jack, the
“worm screw” and joints can cause
injuries: avoid contact with them. Clean it
thoroughly if dirtied with grease.
CAUTION!
The jack is a tool designed exclusively for
changing a wheel, in case of a puncture or
damage to a tire of the vehicle on which it
is fitted or on vehicles of the same model.
Any other use, e.g. to jack up other vehicle
models or different things, is strictly
prohibited. Never use it to carry out
maintenance or repairs under the vehicle
or to change summer/winter wheels and
vice versa. Never go under the raised
vehicle. If any work under the vehicle is
necessary, contact an authorized dealer.
Incorrect placing of the jack can cause the
vehicle to drop: use it only in the positions
indicated. Do not use the jack for loads
higher than that specified on the label.
Never start the engine with vehicle raised.
If the vehicle is raised more than
necessary, everything can become more
unstable, with the risk of the vehicle
dropping violently. Therefore raise the
vehicle only as much as necessary for the
wheel/spare.
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205
(Continued)
(Continued)
rafts, or similar inflatable items. However,
use only the Air Pump Hose and make sure
the Mode Select Knob is in the Air Mode
when inflating such items to avoid
injecting sealant into them. The Tire
Service Kit Sealant is only intended to seal
punctures less than 1/4 inch (6 mm)
diameter in the tread of your tire.
Do not lift or carry the Tire Service Kit by
the hoses.
Sealing A Tire With Tire Service Kit
(A) Whenever You Stop To Use Tire Service
Kit:
1. Pull over to a safe location and turn on the vehicle’s Hazard Warning flashers.
2. Verify that the valve stem (on the wheel with the deflated tire) is in a position that
is near to the ground. This will allow the
Tire Service Kit Hoses and to reach the
valve stem and keep the Tire Service Kit
flat on the ground. This will provide the
best positioning of the kit when injecting
the sealant into the deflated tire and
running the air pump. Move the vehicle
as necessary to place the valve stem in
this position before proceeding.
WARNING!
Do not attempt to seal a tire on the side
of the vehicle closest to traffic. Pull far
enough off the road to avoid the danger
of being hit when using the Tire Service
Kit.
Do not use Tire Service Kit or drive the
vehicle under the following circum -
stances:
If the puncture in the tire tread is
approximately 1/4 inch (6 mm) or
larger.
If the tire has any sidewall damage.
If the tire has any damage from driving with extremely low tire pres-
sure.
If the tire has any damage fromdriving on a flat tire.
If the wheel has any damage.
If you are unsure of the condition ofthe tire or the wheel.
Keep Tire Service Kit away from open
flames or heat source.
A loose Tire Service Kit thrown forward in
a collision or hard stop could endanger
the occupants of the vehicle. Always
stow the Tire Service Kit in the place
provided. Failure to follow these warn -
ings can result in injuries that are serious
or fatal to you, your passengers, and
others around you.
Take care not to allow the contents of
Tire Service Kit to come in contact with
hair, eyes, or clothing. Tire Service Kit
sealant is harmful if inhaled, swallowed,
or absorbed through the skin. It causes
skin, eye, and respiratory irritation.
Flush immediately with plenty of water if
there is any contact with eyes or skin.
Change clothing as soon as possible, if
there is any contact with clothing.
WARNING! (Continued)
Tire Service Kit Sealant solution
contains latex. In case of an allergic
reaction or rash, consult a physician
immediately. Keep Tire Service Kit out
of reach of children. If swallowed, rinse
mouth immediately with plenty of water
and drink plenty of water. Do not induce
vomiting! Consult a physician immedi -
ately.
WARNING! (Continued)
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IN CASE OF EMERGENCY
212

REFUELING IN EMERGENCY —
IF EQUIPPED

The fuel filling procedure in case of emer-
gency is described in the “Emergency Gas
Can Refueling”. Refer to “Refueling The
Vehicle” in “Starting And Operating” for
further information.
The vehicle is equipped with a refueling
funnel. If refueling is necessary, while using
an approved gas can, please insert the refu -
eling funnel into the filler neck opening.
Refueling Funnel Inserting Funnel
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, place the
transmission in NEUTRAL, but do not
increase engine idle speed.
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.
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.
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