2021 JEEP WRANGLER UNLIMITED tire pressure

239
Wheel And Wheel Trim Care
All wheels and wheel trim, especially
aluminum and chrome plated wheels, should
be cleaned regularly using mild (neutral Ph)
soap and water to maintain their luster and
to prevent corrosion. Wash wheels with the
same soap solution recommended for the
body of the vehicle and remember to always
wash when the surfaces are not hot to the
touch.Your wheels are susceptible to deterioration
caused by salt, sodium chloride, magnesium
chloride, calcium chloride, etc., and other
road chemicals used to melt ice or control
dust on dirt roads. Use a soft cloth or sponge
and mild soap to wipe away promptly. Do not
use harsh chemicals or a stiff brush. They
can damage the wheel’s protective coating
that helps keep them from corroding and
tarnishing.
When cleaning extremely dirty wheels
including excessive brake dust, care must be
taken in the selection of tire and wheel
cleaning chemicals and equipment to
prevent damage to the wheels. Select a
non-abrasive, non-acidic cleaner for
aluminum or chrome wheels.
NOTE:
If you intend parking or storing your vehicle
for an extended period after cleaning the
wheels with wheel cleaner, drive your vehicle
and apply the brakes to remove the water
droplets from the brake components. This
activity will remove the red rust on the brake
rotors and prevent vehicle vibration when
braking.
WARNING!
Limited use spares are for emergency use
only. Installation of this limited use spare
tire affects vehicle handling. With this tire,
do not drive more than the speed listed on
the limited use spare wheel. Keep inflated
to the cold tire inflation pressures listed on
your Tire and Loading Information Placard
located on the driver’s side B-Pillar or the
rear edge of the driver’s side door. Replace
(or repair) the original equipment tire at
the first opportunity and reinstall it on your
vehicle. Failure to do so could result in
loss of vehicle control.
CAUTION!

Avoid products or automatic car washes that
use acidic solutions or strong alkaline
additives or harsh brushes. Many aftermarket
wheel cleaners and automatic car washes
may damage the wheel's protective finish.
Such damage is not covered by the New
Vehicle Limited Warranty. Only car wash soap
is recommended.

CAUTION!
Do not use scouring pads, steel wool, a
bristle brush, metal polishes or oven
cleaner. These products may damage the
wheel's protective finish. Such damage is
not covered by the New Vehicle Limited
Warranty. Only car wash soap is
recommended.
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SERVICING AND MAINTENANCE
244(Continued)
(Continued)
Appearance Care For Fabric Top Models

To maintain the appearance of your vehicle's inte
-
rior trim and top, follow these precautions:

Avoid leaving your vehicle unattended
with the top down, as exposure to sun or
rain may damage interior trim.
Do not use harsh cleaners or bleaching
agents on top material, as damage may
result.
Do not allow any vinyl cleaner to run down
and dry on the paint, leaving a streak.
After cleaning your vehicle's fabric top,
always make sure it is completely dry
before lowering.
Be especially careful when washing the
windows by following the directions for
“Care of Fabric Top Windows.”
Washing – Use mild soap suds, lukewarm
water, and a brush with soft bristles. If extra
cleaning is required, use a mild foaming
cleaner on the entire top, but support the top
from underneath.
Rinsing – Be sure to remove all traces of
cleaner by rinsing the top thoroughly with
clean water. Remember to allow the top to
dry before lowering it. Some parts of the vehicle may be painted
with a matte paintwork which requires
special care for its preservation.
CAUTION!
Failure to follow these cautions may cause
interior and exterior vehicle water damage,
stains or mildew on the top material or
electrical components damage:
Avoid high-pressure car washes for the
exterior and interior of the vehicle, as
they can damage the top material and
electrical connectors. Also, increased
water pressure may force past the
weather strips.
It is recommended that the top be free of
water prior to opening it. Operating the
top, opening a door or lowering a window
while the top is wet may allow water to
drip into the vehicle’s interior.
Use care when washing the vehicle,
water pressure directed at the weather
strip seals may cause water to leak into
the vehicle’s interior.
Careless handling and storage of the
removable roof panels may damage the
seals, causing water to leak into the
vehicle’s interior.
The front panel(s) must be positioned
properly to ensure sealing. Improper
installation can cause water to leak into
the vehicle’s interior.
CAUTION!
Avoid washing with rollers and/or
brushes in washing stations. Wash the
vehicle only by hand using neutral pH
detergents; dry it with a wet chamois
leather. Abrasive products and/or
polishes should not be used for cleaning
the car. Bird droppings must be washed
off immediately and thoroughly as the
acid they contain is particularly aggres-
sive.
Avoid (if at all possible) parking the
vehicle under trees; remove vegetable
resins immediately as, when dried, it
may only be possible to remove them
with abrasive products and/or polishes,
which is highly inadvisable as they could
alter the typical opaqueness of the paint.
CAUTION! (Continued)
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TECHNICAL SPECIFICATIONS
248
Tighten the lug nuts/bolts in a star pattern
until each nut/bolt has been tightened twice.
Ensure that the socket is fully engaged on
the lug nut/bolt (do not insert it halfway).Torque Patterns
After 25 miles (40 km), check the lug nut/
bolt torque to be sure that all the lug nuts/
bolts are properly seated against the wheel.WHEELS
Refer to the tire placard label located on the
door sill of the vehicle or to the Registration
Document for the tire size and pressure.
Refer to “Tires” in “Servicing And Mainte -
nance” chapter for further information.
WEIGHTS
For further information refer to “Vehicle
Loading” in the “Starting And Operating”
chapter.
FUEL REQUIREMENTS —
GASOLINE ENGINE
2.0L Engine
This engine is designed to meet all emission
regulations, and provide satisfactory fuel
economy and performance when using
high-quality unleaded gasoline with a recom -
mended RON of 95.
While operating on gasoline with the
required octane number, hearing a light
knocking sound from the engine is not a
cause for concern. However, if the engine is
heard making a heavy knocking sound, see
your dealer immediately. Use of gasoline
with a lower than recommended octane
number can cause engine failure and may
void or not be covered by the New Vehicle
Limited Warranty.
Poor quality gasoline can cause problems
such as hard starting, stalling, and hesita -
tions. If you experience these symptoms, try
another brand of gasoline before considering
service for the vehicle.
WARNING!
To avoid the risk of forcing the vehicle off
the jack, do not tighten the lug nuts/bolts
fully until the vehicle has been lowered.
Failure to follow this warning may result in
personal injury.
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319
INDEX
A
Accessories ....................................... 258Mopar ........................................... 258
Active Speed Limiter .......................... 156
Adaptive Cruise Control (ACC)
(Cruise Control) ................................. 158
Adding Fuel ...................................... 169
Additives, Fuel .................................. 249
Air Bag Air Bag Operation ........................... 107Air Bag Warning Light ..................... 105
Disable, Passenger Air Bag.............. 107

Enhanced Accident Response ... 115 , 209

Event Data Recorder (EDR) ............. 209
Front Air Bag ................................. 106
If Deployment Occurs ..................... 114
Knee Impact Bolsters ..................... 112
Maintaining Your Air Bag System ..... 116
Maintenance .................................. 116
Redundant Air Bag Warning Light .... 105
Transporting Pets ........................... 134
Air Bag Light ........................65 , 105 , 136
Air Conditioning................................... 44
Air Conditioning Filter .......................... 46
Air Conditioning System ....................... 44
Air Conditioning, Operating Tips ............ 45 Air Pressure
Tires ............................................. 233
Alarm Arm The System .............................. 15
Disarm The System .......................... 15
Security Alarm ............................15 , 68
Alarm (Security Alarm) ......................... 16
Alterations/Modifications Vehicle ............................................. 2
Android Auto...................... 266 , 271 , 302
Apps ............................................. 274
Communication ............................. 273
Maps ............................................ 272
Music ........................................... 273
Antifreeze (Engine Coolant) ................ 253
Anti-Lock Brake System (ABS) .............. 78
Anti-Lock Warning Light ....................... 68
Apple CarPlay .................... 267 , 274 , 303
Apps ............................................. 276
Maps ............................................ 276
Messages ...................................... 275
Music ........................................... 275
Phone ........................................... 275
Assist, Hill Start .................................. 85
Audio Systems (Radio) ................260 , 262
Auto Down Power Windows ................... 46
Automatic Headlights .......................... 33 Automatic High Beams .........................33
Automatic Temperature Control (ATC) ....44
Automatic Transmission......................145
Fluid Level Check ................... 231 , 232
Fluid Type ............................. 231 , 257
Special Additives ............................231

Auxiliary Electrical Outlet (Power Outlet)... 56

Auxiliary Power Outlet ..........................56
Auxiliary Switches ................................58
Axle Fluid..........................................257
Axle Lock ..........................................151
B
Battery ........................................ 66 , 225
Charging System Light ......................66
Belts, Seat ........................................136
Blind Spot Monitoring ..........................87
Brake Assist System .............................79
Brake Control System ...........................79
Brake Fluid ............................... 230 , 257
Brake System ....................................230 Fluid Check ...................................230
Master Cylinder ..............................230
Warning Light...................................65
Brake/Transmission Interlock...............144
Bulb Replacement ..................... 179 , 181
Bulbs, Light .............................. 137 , 179
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322
INDEX
I
Ignition ............................................... 12Switch ............................................ 12
Installation.......................................... 51
Installing ............................................ 53
Instrument Cluster ............................... 61 Descriptions .................................... 74
Display ............................................ 60
Menu Items ..................................... 61
Instrument Panel Lens Cleaning .......... 246
Integrated Power Module (Fuses)......... 184
Interior Appearance Care .................... 245
Intermittent Wipers (Delay Wipers) ........ 35
Introduction .......................................... 1
Inverter Power.............................................. 57
J
Jack Location .................................... 193
Jack Operation .......................... 195 , 232
Jacking Instructions ........................... 195
Jump Starting ................................... 201 K
Key Fob
Arm The System .............................. 15
Disarm The System .......................... 15
Keyless Enter-N-Go.............................. 18 Passive Entry ................................... 18
Keys................................................... 11 Replacement ................................... 12
L
Lap/Shoulder Belts ............................ 100
Latches ............................................ 137 Hood .............................................. 55
Leaks, Fluid ...................................... 137
Leveling Headlights....................................... 34
Life Of Tires...................................... 235
Light Bulbs ................................137 , 179
Lights............................................... 137 Air Bag ............................ 65 , 105 , 136
Automatic Headlights ....................... 33
Brake Assist Warning........................ 82
Brake Warning ................................. 65
Bulb Replacement ..................179 , 181
Center Mounted Stop ..................... 183 Cruise ........................................74 , 76 Daytime Running ..............................32
Dimmer Switch, Headlight.................32
Electronic Stability Program (ESP)
Indicator ......................................67
Engine Temperature Warning .............67 Exterior.................................... 32 , 137
Fog ......................................... 72 , 182
Hazard Warning Flasher ..................179
Headlight Leveling ............................34
Headlights .....................................181
High Beam.......................................32
High Beam/Low Beam Select .............32 Hill Descent Control Indicator ............83Lights On Reminder ..........................34
Malfunction Indicator (Check Engine) .............................69
Park ................................................74
Passing............................................33 Rear Servicing ................................182
Rear Tail Lamps .............................182
Seat Belt Reminder .............. 67 , 74 , 75
Security Alarm .................................68
Service .................................. 179 , 181
Side Marker ...................................182
Tire Pressure Monitoring (TPMS) ........92
Traction Control................................82
Turn Signal ....................................137
Turn Signals..................... 74 , 181 , 182
Warning Instrument Cluster Descriptions ........................... 67 , 74
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323
Loading Vehicle ................................. 174
LockingAxle .............................................. 151
Locks Child Protection ............................... 20
Low Tire Pressure System ..................... 92
Lowering ............................................. 47
Lowering Four Door .............................. 47
Lowering The Top ................................ 47
Lowering Two Door ............................... 47
Lug Nuts/Bolts .................................. 247
Luggage Carrier ................................... 58
M
Maintenance ....................................... 53
Maintenance Free Battery ................... 225
Maintenance Schedule ............... 210 , 216
Malfunction Indicator
Light (Check Engine)............................ 69
Manual Park Release.................................. 204
Modifications/Alterations Vehicle .............................................. 2
Monitor, Tire Pressure System ............... 92
Mopar Accessories ............................. 258
N
Navigation ........................................ 282
New Vehicle Break-In Period ............... 143 O
Occupant Restraints ............................ 97
Octane Rating, Gasoline
(Fuel) ................................ 248
, 249 , 254
Off Road Pages ................................. 277 Accessory Gauges .......................... 279
Drivetrain ...................................... 278
Pitch And Roll ............................... 279
Status Bar ..................................... 278
Oil Pressure Light ................................ 67
Oil, Engine ....................................... 254 Capacity........................................ 253
Dipstick ........................................ 224
Filter ............................................ 254
Pressure Warning Light..................... 67Recommendation ........................... 253
Viscosity ....................................... 253
Onboard Diagnostic System .................. 77
Operating Precautions .......................... 77
Overheating, Engine........................... 204
P
Paddle Shifters ................................. 145
ParkSense System, Rear .................... 161
Passenger Airbag Disable ................... 107
Passive Entry ...................................... 18
Personalized Main Menu .................... 264
Pets ................................................. 134
Phone (Uconnect).............................. 285 Pairing .......................................... 287 Phonebook ........................................291
Power
Inverter............................................57Windows ..........................................46
Power Sliding Top ................................53 Operation.........................................53
Pinch Protect ...................................53
Power Steering Fluid ..........................257
Pregnant Women And Seat Belts .........104
Preparation For Jacking ......................194
Pretensioners Seat Belts ......................................104
R
Radial Ply Tires..................................234
Radio ................................................268 Presets .................................. 262 , 265
Radio Operation ................. 261 , 263 , 270
Radio Screens ........................... 263 , 268
Raising ...............................................47
Raising Four Door ................................47
Raising The Soft Top ............................47
Raising Two Door .................................47
Rear Camera......................................167
Rear Cross Path ...................................88
Rear ParkSense System ......................161
Rear Swing Gate ..................................55
Rear Wiper/Washer ...............................36
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325
Speed ControlAccel/Decel (ACC Only) ................... 159
Cancel .......................................... 158
Resume......................................... 158
Speed Control (Cruise Control) .... 157 , 158
Speed Limiter, Active ......................... 156
Starting ............................................ 138 Button ............................................ 12
Remote ........................................... 14
Starting And Operating ....................... 138
Starting Procedures ........................... 138
Steering .............................................. 31 Tilt Column ..................................... 31
Wheel, Heated ................................. 31
Wheel, Tilt....................................... 31
Steering Wheel Audio Controls ............ 279
Steering Wheel Mounted Sound System
Controls ............................................ 279
Stop/Start ......................................... 153
Storage, Vehicle .......................... 45 , 241
Storing Your Vehicle........................... 241
Stuck, Freeing ................................... 206
Sun Roof ............................................ 53
Sway Bar Disconnect Electronic ...................................... 152
Sway Control, Trailer ............................ 86
Swing Gate, Rear ................................. 55
System, Remote Starting ...................... 14 T
Telescoping Steering Column................ 31
Temperature Control, Automatic (ATC) .. 44
Text Messages ................................... 292
Tilt Steering Column ............................ 31
Tip Start ........................................... 141
Tires ......................... 137
, 232 , 237 , 238
Aging (Life Of Tires) ....................... 235
Air Pressure................................... 232
Chains .......................................... 240
Changing................................192 , 232
Compact Spare .............................. 238
General Information ........ 232 , 237 , 238
High Speed ................................... 234
Inflation Pressure........................... 233
Jacking ......................................... 232
Life Of Tires .................................. 235
Pressure Monitoring System (TPMS) .......................70 , 92
Radial........................................... 234
Replacement ................................. 236
Rotation ........................................ 241
Safety ........................................... 232
Snow Tires .................................... 237
Spare Tires..................... 193 , 237 , 238
Spinning ....................................... 235
Tread Wear Indicators .................... 235 Wheel Nut Torque .......................... 247 To Open Hood......................................55
Top
Dual .......................................... 47 , 53
Freedom ..........................................51
Hard................................................51
Power Sliding ...................................53
Removable ........................... 47 , 51 , 53
Soft ........................................... 47 , 53
Towing ...................................... 175 , 207
Disabled Vehicle .............................207
Recreational...................................176
Weight...........................................175
Towing Behind A Motorhome ...............176
Towing Eyes ......................................208
Trac-Lok Rear Axle .......................................151
Traction Control ...................................87
Traction Control Switch ........................87
Trailer Sway Control (TSC) ....................86
Trailer Towing ....................................175 Trailer And Tongue Weight...............175
Trailer Towing Guide ..........................175
Trailer Weight ....................................175
Transfer Case Fluid .............................................257Four-Wheel-Drive-Operation ..... 146 , 148
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