air conditioning JEEP CHEROKEE 2023 Owners Manual

46GETTING TO KNOW YOUR VEHICLE
MAX A/C, the blower level and mode position can be
adjusted to the desired user settings. Pressing other
settings will cancel MAX A/C.
NOTE:The MAX A/C button is only available on the touchscreen.
A/C Button
Press and release this button on the
touchscreen, or push the button on the
faceplate to change the current setting. The
A/C indicator illuminates when A/C is on. When
the A/C system is on, cool, dehumidified air will flow
through the outlets into the cabin.
Recirculation Button
Press and release this button on the
touchscreen, or push the button on the
faceplate, to change the system between
Recirculation mode and outside air mode. The
Recirculation indicator and the A/C indicator illuminate
when the Recirculation button is pressed. Recirculation
can be used when outside conditions, such as smoke,
odors, dust, or high humidity are present. Recirculation
can be used in all modes. Recirculation may be
unavailable (button on the touchscreen grayed out) if
conditions exist that could create fogging on the inside of
the windshield. The A/C can be deselected manually
without disturbing the mode control selection. Continuous
use of the Recirculation mode may make the inside air
stuffy and window fogging may occur. Extended use of this
mode is not recommended. Recirculation mode may
automatically adjust to optimize customer experience for
warming, cooling, dehumidification, etc. In cold weather, use of Recirculation mode may lead to
excessive window fogging. The Recirculation feature may
be unavailable if conditions exist that could create fogging
on the inside of the windshield.
Auto Button
Set your desired temperature and press AUTO.
AUTO will achieve and maintain your desired
temperature by automatically adjusting the
blower speed and air distribution. Air
Conditioning (A/C) may be active during AUTO operation to
improve performance. AUTO mode is highly recommended
for efficiency.
You can turn AUTO on in one of two ways:
 Press and release this button on the touchscreen.
 Push the button on the faceplate.
Toggling this function will cause the system to switch
between manual mode and automatic mode
Úpage 48.
Front Defrost Button
Press and release the Front Defrost button on
the touchscreen, or push and release the
button on the faceplate, to change the current
airflow setting to Defrost mode. The Front
Defrost indicator illuminates when Front Defrost is on. Air
comes from the windshield and side window demist
outlets. When the defrost button is selected, the blower
level may increase. Use Defrost mode with maximum
temperature settings for best windshield and side window
defrosting and defogging. When toggling the front defrost
mode button, the climate system will return to the
previous setting.
Rear Defrost Button
Press and release the Rear Defrost button on
the touchscreen, or push and release the
button on the faceplate, to turn on the rear
window defroster and the heated outside
mirrors (if equipped). The Rear Defrost indicator
illuminates when the rear window defroster is on. The rear
window defroster automatically turns off after 10 minutes.
CAUTION!
Failure to follow these cautions can cause damage to
the heating elements:
 Use care when washing the inside of the rear
window. Do not use abrasive window cleaners on the
interior surface of the window. Use a soft cloth and a
mild washing solution, wiping parallel to the heating
elements. Labels can be peeled off after soaking
with warm water.
 Do not use scrapers, sharp instruments, or abrasive
window cleaners on the interior surface of the
window.
 Keep all objects a safe distance from the window.

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GETTING TO KNOW YOUR INSTRUMENT PANEL69
The light will also turn on when the parking brake is
applied with the ignition switch in the ON/RUN position.
NOTE:This light only shows that the parking brake is applied. It
does not show the degree of brake application.
Battery Charge Warning Light
This warning light will illuminate when the
battery is not charging properly. If it stays on
while the engine is running, there may be a
malfunction with the charging system. Contact
an authorized dealer as soon as possible.
This indicates a possible problem with the electrical
system or a related component.
This warning light will illuminate when the battery is not
charging properly. If it stays on while the engine is running,
there may be a malfunction with the charging system.
Contact an authorized dealer as soon as possible.
Door Open Warning Light
This indicator will illuminate when a door is
ajar/open and not fully closed.
NOTE:If the vehicle is moving, there will also be a single chime.
Electric Power Steering (EPS) Fault
Warning Light
This warning light will turn on when there's a
fault with the EPS system Úpage 88.
Electronic Throttle Control (ETC) Warning
Light
This warning light will illuminate to indicate a
problem with the ETC system. If a problem is
detected while the vehicle is running, the light
will either stay on or flash depending on the
nature of the problem. Cycle the ignition when the vehicle
is safely and completely stopped and the transmission is
placed in the PARK (P) position. The light should turn off.
If the light remains on with the vehicle running, your
vehicle will usually be drivable; however, see an
authorized dealer for service as soon as possible.
NOTE:This light may turn on if the accelerator and brake pedals
are pressed at the same time.
If the light continues to flash when the vehicle is running,
immediate service is required and you may experience
reduced performance, an elevated/rough idle, or engine
stall and your vehicle may require towing. The light will
come on when the ignition is placed in the ON/RUN or
ACC/ON/RUN position and remain on briefly as a bulb
check. If the light does not come on during starting, have
the system checked by an authorized dealer.
Engine Coolant Temperature Warning
Light
This light warns of an overheated engine
condition. If the engine coolant temperature is
too high, this indicator will illuminate and a
single chime will sound.
If the light turns on while driving, safely pull over and stop
the vehicle. If the Air Conditioning (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
Úpage 203.
Hood Open Warning Light
This warning light will illuminate when the hood
is left open and not fully closed.
NOTE:If the vehicle is moving, there will also be a single chime.
Liftgate Open Warning Light
This warning light will illuminate when the
liftgate is open.
NOTE:If the vehicle is moving, there will also be a single chime.
Oil Pressure Warning Light
This warning light will illuminate to indicate low
engine oil pressure. A chime will sound when
this light turns on and a message “Oil Pressure
Low” will display in the message screen. If the
WARNING!
Continued operation with reduced assist could pose a
safety risk to yourself and others. Service should be
obtained as soon as possible.
3

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SERVICING AND MAINTENANCE217
Engine Air Cleaner Filter Installation
NOTE:Inspect and clean the housing assembly if significant dirt
or debris is present before replacing the engine air cleaner
filter.

1. Install the engine air cleaner filter into the housing
assembly with the engine air cleaner filter
inspection surface facing downward.

2. Install the engine air cleaner filter cover onto the housing assembly locating tabs.
3. Install screws to secure the engine air cleaner filter cover to the housing assembly.
ACCESSORY DRIVE BELT INSPECTION
When inspecting accessory drive belts, small cracks that
run across ribbed surface of belt from rib to rib, are
considered normal. These are not a reason to replace belt.
However, cracks running along a rib (not across) are not
normal. Any belt with cracks running along a rib must be
replaced. Also have the belt replaced if it has excessive
wear, frayed cords or severe glazing.

Accessory Belt (Serpentine Belt)

Conditions that would require replacement:
Rib chunking (one or more ribs has separated from belt
body)
 Rib or belt wear
 Longitudinal belt cracking (cracks between two ribs)
 Belt slips
 Groove jumping (belt does not maintain correct posi -
tion on pulley) 
Belt broken (identify and correct problem before new
belt is installed)
 Noise (objectionable squeal, squeak, or rumble is
heard or felt while drive belt is in operation)
Some conditions can be caused by a faulty component
such as a belt pulley. Belt pulleys should be carefully
inspected for damage and proper alignment.
Belt replacement on some models requires the use of
special tools; we recommend having your vehicle serviced
at an authorized dealer.
AIR CONDITIONER MAINTENANCE
For best possible performance, your air conditioner should
be checked and serviced by an authorized dealer at the
start of each warm season. This service should include
cleaning of the condenser fins and a performance test.
Drive belt tension should also be checked at this time.CAUTION!
Do not overtighten the engine air cleaner filter cover lid
screws or damage may result.
WARNING!
 Do not attempt to inspect an accessory drive belt
with the vehicle running.
 You can be badly injured working on or around a
motor vehicle. Only do service work for which you
have the knowledge and the proper equipment. If
you have any doubt about your ability to perform a
service job, take your vehicle to a competent
mechanic.
WARNING!
Use only refrigerants and compressor lubricants
approved by the manufacturer for your air condi -
tioning system. Some unapproved refrigerants are
flammable and can explode, injuring you. Other
unapproved refrigerants or lubricants can cause the
system to fail, requiring costly repairs. Refer to
Warranty Information Book, located in your owner’s
information kit, for further warranty information.
 The air conditioning system contains refrigerant
under high pressure. To avoid risk of personal injury
or damage to the system, adding refrigerant or any
repair requiring lines to be disconnected should be
done by an experienced technician.
8

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218SERVICING AND MAINTENANCE
Refrigerant Recovery And Recycling
R-134a — If Equipped
R-134a Air Conditioning Refrigerant is a Hydrofluo -
rocarbon (HFC) that is an ozone-friendly substance. It is
recommended that air conditioning service be performed
by an authorized dealer or other service facilities using
recovery and recycling equipment.
NOTE:Use only manufacturer approved A/C system PAG
compressor oil and refrigerants.
Refrigerant Recovery And Recycling
R-1234yf — If Equipped
R-1234yf Air Conditioning Refrigerant is a Hydrofluo-
roolefin (HFO) that is endorsed by the Environmental
Protection Agency and is an ozone-friendly substance with
a low global-warming potential. It is recommended that air
conditioning service be performed by an authorized dealer
using recovery and recycling equipment.
NOTE:Use only manufacturer approved A/C system PAG
compressor oil, and refrigerants.
Cabin Air Filter
The cabin air filter is located in front of the evaporator on
the lower right of center console. Perform the following
procedure to replace the filter:

1. Remove the passenger side console closeout cover.

2. Pull the console closeout cover rearward to disengage the front retaining tab and remove the
cover.

Console Closeout Panel

3. Pull down the passenger hush panel under the dash panel.

Hush Panel

4. Remove the filter door by pushing down the tab on the top of the door to release the cover then rotate
the door out and lift up.

Air Filter Cover Location

CAUTION!
Do not use chemical flushes in your air conditioning
system as the chemicals can damage your air
conditioning components. Such damage is not covered
by the New Vehicle Limited Warranty.WARNING!
Do not remove the cabin air filter while the vehicle is
running, or while the ignition is in the ACC or ON/RUN
position. With the cabin air filter removed and the
blower operating, the blower can contact hands and
may propel dirt and debris into your eyes, resulting in
personal injury.

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SERVICING AND MAINTENANCE225
Make sure that the coolant expansion bottle overflow
hoses are not kinked or obstructed.
 Keep the front of the radiator clean. If your vehicle is
equipped with air conditioning, keep the front of the
condenser clean.
 Do not change the thermostat for Summer or Winter
operation. If replacement is ever necessary, install
ONLY the correct type thermostat. Other designs may
result in unsatisfactory engine cooling performance,
poor gas mileage, and increased emissions.
BRAKE SYSTEM
In order to ensure brake system performance, all brake
system components should be inspected periodically.
Refer to the Maintenance Plan for the proper
maintenance intervals
Úpage 209.
Fluid Level Check — Brake Master Cylinder
The fluid level of the brake master cylinder should be
checked whenever the vehicle is serviced, or immediately
if the Brake System Warning Light is on. If necessary, add
fluid to bring level within the designated marks on the side
of the reservoir of the brake master cylinder. Be sure to
clean the top of the master cylinder area before removing cap. With disc brakes, fluid level can be expected to fall as
the brake pads wear. Brake fluid level should be checked
when pads are replaced. If the brake fluid is abnormally
low, check the system for leaks. For further information
Úpage 256.
AUTOMATIC TRANSMISSION
Special Additives
It is strongly recommended against using any special
additives in the transmission. Automatic Transmission
Fluid (ATF) is an engineered product and its performance
may be impaired by supplemental additives. Therefore, do
not add any fluid additives to the transmission. Avoid
using transmission sealers as they may adversely affect
seals.
Fluid Level Check
The fluid level is preset at the factory and does not require
adjustment under normal operating conditions. Routine
fluid level checks are not required; therefore the
transmission has no dipstick. An authorized dealer can
check your transmission fluid level using special service
tools. If you notice fluid leakage or transmission
malfunction, visit an authorized dealer immediately to
have the transmission fluid level checked. Operating the
vehicle with an improper fluid level can cause severe
transmission damage.
WARNING!
Riding the brakes can lead to brake failure and possibly
a collision. Driving with your foot resting or riding on the
brake pedal can result in abnormally high brake
temperatures, excessive lining wear, and possible brake
damage. You would not have your full braking capacity
in an emergency.
WARNING!

Use only manufacturer's recommended brake fluid.
For further information Úpage 256. Using the wrong
type of brake fluid can severely damage your brake
system and/or impair its performance. The proper
type of brake fluid for your vehicle is also identified
on the original factory installed hydraulic master
cylinder reservoir.
 To avoid contamination from foreign matter or mois -
ture, use only new brake fluid or fluid that has been
in a tightly closed container. Keep the master
cylinder reservoir cap secured at all times. Brake
fluid in a open container absorbs moisture from the
air resulting in a lower boiling point. This may cause
it to boil unexpectedly during hard or prolonged
braking, resulting in sudden brake failure. This could
result in a collision.
 Overfilling the brake fluid reservoir can result in
spilling brake fluid on hot engine parts, causing the
brake fluid to catch fire. Brake fluid can also damage
painted and vinyl surfaces, care should be taken to
avoid its contact with these surfaces.
 Do not allow petroleum-based fluid to contaminate
the brake fluid. Brake seal components could be
damaged, causing partial or complete brake failure.
This could result in a collision.
CAUTION!
Do not use chemical flushes in your transmission as the
chemicals can damage your transmission components.
Such damage is not covered by the New Vehicle Limited
Warranty.
8

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263
INDEX
AAbout Your Brakes ....................................................... 253
Adaptive Cruise Control (ACC) (Cruise Control) ...... 90, 92
Adding Engine Coolant (Antifreeze) ............................ 223
Adding Fuel................................................................... 113
Additives, Fuel .............................................................. 255
Air Bag........................................................................... 167 Air Bag Operation.................................................... 168
Air Bag Warning Light .................................... 166
, 169
Driver Knee Air Bag ................................................ 172
Enhanced Accident Response ...................... 175
, 207
Event Data Recorder (EDR).................................... 207 Front Air Bag .................................................. 167
, 169
If Deployment Occurs ............................................. 174
Knee Impact Bolsters ............................................. 172
Maintaining Your Air Bag System .......................... 175
Maintenance ........................................................... 175
Redundant Air Bag Warning Light ......................... 167
Transporting Pets.................................................... 186
Air Bag Light ................................................. 68
, 166, 187
Air Cleaner, Engine (Engine Air Cleaner Filter) ........... 216
Air Conditioner Maintenance ...................................... 217
Air Conditioner Refrigerant ................................. 217
, 218
Air Conditioner System ................................................ 217
Air Conditioning Filter ........................................... 48
, 218
Air Conditioning, Operating Tips ..................................... 48 Air Filter......................................................................... 216
Air Pressure Tires ......................................................................... 241 Alarm
Arm The System......................................................... 20
Disarm The System ................................................... 20
Security Alarm..................................................... 20
, 70
All Wheel Drive (AWD)..................................................... 85 Antifreeze (Engine Coolant) ............................... 223
, 256
Disposal ...................................................................224
Anti-Lock Brake System (ABS) ..................................... 143
Anti-Lock Warning Light.................................................. 70
Assist, Hill Start ............................................................. 148
Audio Systems (Radio) ................................................. 126
Auto Down Power Windows............................................ 53
Auto Up Power Windows ................................................ 53
Automatic Climate Controls ........................................... 45
Automatic Dimming Mirror ............................................. 34 Automatic Door Locks ............................................. 23
, 24
Automatic Headlights ..................................................... 40 Automatic High Beams ................................................... 40
Automatic Temperature Control (ATC) .......................... 48
Automatic Transaxle ....................................................... 81
Automatic Transmission ................................................. 81 Adding Fluid ............................................................. 226
Fluid And Filter Change ...........................................226
Fluid Change ............................................................226Fluid Level Check ....................................................225Fluid Type ................................................................. 226
Special Additives ..................................................... 225Torque Converter....................................................... 85
Autostick.......................................................................... 84 AUX Cord.......................................................................... 50Auxiliary (Power Outlet) .................................................. 51
BBattery.................................................................... 69, 214
Keyless Key Fob Replacement................................. 14
Battery Saver Feature .................................................... 42
Belts, Seat..................................................................... 187
Blind Spot Monitoring .................................................. 150
Body Mechanism Lubrication ...................................... 219
Bodywork ...................................................................... 250
B-Pillar Location ........................................................... 238
Brake Assist System............................................ 144
, 154
Brake Control System .................................................. 143
Brake Fluid.................................................................... 225
Brake System ......................................................225
, 253
Anti-Lock (ABS) ........................................................ 253 Fluid Check .............................................................. 225Master Cylinder ....................................................... 225Parking....................................................................... 78
Warning Light ............................................................ 68
Brake/Transmission Interlock ....................................... 81
Brightness, Interior Lights.............................................. 42
Bulb Replacement ........................................................ 233
Bulbs, Light ................................................................... 188
CCamera, Rear................................................................ 112
Capacities, Fluid ........................................................... 256
Caps, Filler Oil (Engine) ..................................................... 212
, 213
Radiator (Coolant Pressure) ................................... 224
Car Washes................................................................... 250
Carbon Monoxide Warning .......................................... 18811

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265
Oil Selection ............................................................ 215
Oil Synthetic ............................................................ 215
Overheating ............................................................. 203
Engine Fluids And Lubricants...................................... 256
Enhanced Accident Response Feature ............. 175
, 207
Ethanol.......................................................................... 254
Exhaust Gas Cautions.................................................. 188
Exhaust System ............................................................ 222
Exterior Lights........................................................ 39
, 188
FFilters Air Cleaner ............................................................... 216Air Conditioning................................................ 48
, 218
Engine Oil ................................................................ 216 Engine Oil Disposal ................................................. 215
Flashers Hazard Warning ...................................................... 189
Turn Signals ..................................................... 74
, 188
Flash-To-Pass ..................................................................40
Flat Tire Changing ............................................... 235
, 244
Flat Tire Stowage ................................................ 235, 244
Flooded Engine Starting .................................................78
Fluid Capacities ............................................................ 256
Fluid Leaks ................................................................... 188
Fluid Level Checks Brake ....................................................................... 225Engine Oil ................................................................ 214
Fob, Key ...........................................................................13
Fog Lights ........................................................................41 Fold-Flat Seats ................................................................28Folding Rear Seats..........................................................29Forward Collision Warning ........................................... 154
Four Wheel Drive............................................................. 85 Freeing A Stuck Vehicle................................................ 204
Fuel
Additives...................................................................255Clean Air ...................................................................254Ethanol .....................................................................254
Light............................................................................ 71
Materials Added ...................................................... 255
Methanol .................................................................. 254
Tank Capacity .......................................................... 256
Fueling ...........................................................................113
Fuses .............................................................................226
GGarage Door Opener (HomeLink®) ............................... 35 Gasoline, Clean Air ....................................................... 254
Gasoline, Reformulated ............................................... 254
Gear Ranges ................................................................... 82Gear Selector Override ................................................. 203
Glass Cleaning .............................................................. 252
Gross Axle Weight Rating ............................................. 115
Gross Combination Weight Rating............................... 115
Gross Trailer Weight ..................................................... 115
Gross Vehicle Weight Rating ........................................ 114
GVWR.............................................................................113
HHazard Warning Flashers ............................................. 189
Head Restraint Removal ................................................ 32
Head Restraints .............................................................. 32
Head Rests...................................................................... 32
Headlights ....................................................................... 39 Automatic ................................................................... 40
Automatic High Beam ............................................... 40 Cleaning ................................................................... 250
High Beam .......................................................... 39
, 40
High Beam/Low Beam Select Switch ...................... 40
On With Wipers.......................................................... 41
Passing ............................................................... 39
, 40
Switch ........................................................................ 39
Time Delay ................................................................. 41
Heated Mirrors ............................................................... 35 Heated Seats .................................................................. 31
Heated Steering Wheel .................................................. 24
Hill Descent Control ..................................................... 146
Hill Descent Control Indicator...................................... 146
Hill Start Assist ............................................................. 148
Hitches Trailer Towing .......................................................... 116
HomeLink® (Garage Door Opener)............................... 35
Hood Prop ....................................................................... 56
Hood Release ................................................................. 56
IIgnition ............................................................................ 16 Switch ........................................................................ 16
Ignition Pak Interlock ..................................................... 81
Illuminated Entry ............................................................ 43
Indicator light Blue ............................................................................ 75
Green ......................................................................... 73
White .......................................................................... 74
Yellow......................................................................... 73
Inside Rearview Mirror .......................................... 34
, 189
Instrument Cluster Descriptions

S
.......................................... 61, 63, 74
Display ....................................................................... 63
Display Controls ........................................................ 6311

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