2023 JEEP WRANGLER maintenance schedule

358SERVICING AND MAINTENANCE
TIRE ROTATION RECOMMENDATIONS
The tires on the front and rear of your vehicle operate at
different loads and perform different steering, handling,
and braking functions. For these reasons, they wear at
unequal rates.
These effects can be reduced by timely rotation of tires.
The benefits of rotation are especially worthwhile with
aggressive tread designs such as those on On/Off Road
type tires. Rotation will increase tread life, help to
maintain mud, snow, and wet traction levels, and
contribute to a smooth, quiet ride.
For the proper maintenance intervals
Úpage 307. The
reasons for any rapid or unusual wear should be corrected
prior to rotation being performed.
The suggested rotation method is the “rearward cross”
shown in the following diagram.

Tire Rotation (Rearward Cross)

DEPARTMENT OF TRANSPORTATION
UNIFORM TIRE QUALITY GRADES
The following tire grading categories
were established by the National
Highway Traffic Safety Administration.
The specific grade rating assigned by the
tire's manufacturer in each category is
shown on the sidewall of the tires on
your vehicle.
All passenger vehicle tires must conform
to Federal safety requirements in
addition to these grades.
TREADWEAR
The Treadwear grade is a comparative
rating, based on the wear rate of the tire
when tested under controlled conditions
WARNING!
Using tires of different size and type (M+S, Snow)
between front and rear axles can cause unpredictable
handling. You could lose control and have a collision.
CAUTION!
To avoid damage to your vehicle or tires, observe the
following precautions:
 Because of restricted traction device clearance
between tires and other suspension components, it
is important that only traction devices in good condi -
tion are used. Broken devices can cause serious
damage. Stop the vehicle immediately if noise occurs
that could indicate device breakage. Remove the
damaged parts of the device before further use.
 Install device as tightly as possible and then
retighten after driving about ½ mile (0.8 km). Auto -
sock traction devices do not require retightening.
 Do not exceed 30 mph (48 km/h).
 Drive cautiously and avoid severe turns and large
bumps, especially with a loaded vehicle.
 Do not drive for a prolonged period on dry pavement.
 Observe the traction device manufacturer’s instruc -
tions on the method of installation, operating speed,
and conditions for use. Always use the suggested
operating speed of the device manufacturer’s if it is
less than 30 mph (48 km/h).
 Do not use traction devices on a compact spare tire.
CAUTION!
Proper operation of four-wheel drive vehicles depends
on tires of equal size, type, and circumference on each
wheel. Any difference in tire size can cause damage to
the transfer case. Tire rotation schedule should be
followed to balance tire wear.

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TECHNICAL SPECIFICATIONS371
FUEL REQUIREMENTS – DIESEL ENGINE
Federal law requires that you must fuel this vehicle with
Ultra Low Sulfur Highway Diesel fuel (15 ppm Sulfur
maximum) and prohibits the use of Low Sulfur Highway
Diesel fuel (500 ppm Sulfur maximum) to avoid damage to
the emissions control system.
Use good quality diesel fuel from a reputable supplier in
your vehicle. For most year-round service, No. 2 diesel fuel
meeting ASTM (formerly known as the American Society
for Testing and Materials) specification D-975 Grade S15
will provide good performance. If the vehicle is exposed to
extreme cold (below 20°F or -7°C), or is required to
operate at colder-than-normal conditions for prolonged
periods, use climatized No. 2 diesel fuel or dilute the No.
2 diesel fuel with 50% No. 1 diesel fuel. This will provide
better protection from fuel gelling or wax-plugging of the
fuel filters.
Diesel fuel is seldom completely free of water. To prevent
fuel system trouble, drain the accumulated water from the
fuel/water separator using the fuel/water separator drain
provided on the fuel filter housing. If you buy good quality
fuel and follow the cold weather advice above, fuel
conditioners should not be required in your vehicle. If
available in your area, a high cetane “premium” diesel fuel
may offer improved cold-starting and warm-up
performance.
DIESEL FUEL SPECIFICATIONS
This diesel engine has been developed to take advantage
of the high energy content and generally lower cost No. 2
Ultra Low Sulfur diesel fuel or No. 2 Ultra Low Sulfur
climatized diesel fuels.
NOTE:
If you accidentally fill the fuel tank with gasoline on your
diesel vehicle, do not start the engine. Damage to the
engine and fuel system could occur. Please call an
authorized dealer for service.
 A maximum blend of 5% biodiesel meeting ASTM spec -
ification D-975 may be used with your diesel engine
without any adjustments to regular service schedules.
 Commercially available fuel additives are not neces -
sary for the proper operation of your diesel engine.
 No. 1 Ultra Low Sulfur diesel fuel should only be used
where extended arctic conditions (-10°F or -23°C)
exist.
BIODIESEL FUEL REQUIREMENTS
A maximum blend of 5% biodiesel meeting ASTM
specification D975 is recommended for use with your
diesel engine. If frequent operation with Biodiesel blends
that are between 6% and 20% (B6–B20) is desired, the
maintenance schedule is subject to shorter intervals. The oil and filter change along with fuel filter replacement
is subject to shorter intervals when operating your engine
on biodiesel greater than 5%. Do not use biodiesel greater
than 20%.
For regular use of biodiesel blends between 6% and 20%
(B6–B20) it is important that you understand and comply
with these requirements
Úpage 311.
Biodiesel is a fuel produced from renewable resources
typically derived from animal fat, rapeseed oil (Rapeseed
Methyl Ester (RME) base), or soybean oil (Soy Methyl Ester
(SME or SOME) base).
Biodiesel fuel has inherent limitations which require that
you understand and adhere to the following requirements
if you use blends of Biodiesel between 6% and 20%
(B6–B20). There are no unique restrictions for the use of
B5.
WARNING!
Do not use alcohol or gasoline as a fuel blending agent.
They can be unstable under certain conditions and
hazardous or explosive when mixed with diesel fuel.
CAUTION!
If the Water in Fuel Indicator Light remains on, DO NOT
START engine before you drain the water from the fuel
filter(s) to avoid engine damage
Úpage 321.
CAUTION!
Failure to comply with Oil Change requirements for
vehicles operating on biodiesel blends between 6% and
20% (B6–B20) will result in premature engine wear.
Such wear is not covered by the New Vehicle Limited
Warranty.
CAUTION!
Use of blends greater than 20% is not approved. Use of
blends greater than 20% can result in engine damage.
Such damage is not covered by the New Vehicle Limited
Warranty.
9

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386
K
Key Fob Arm The System .........................................................20
Disarm The System....................................................20
Programming Additional Key Fobs ...........................15
Key Fob Battery Service (Remote Keyless Entry) .........14
Key Fob Programming (Remote Keyless Entry) ............ 15
Keyless Enter 'n Go™ ...................................................... 21 Passive Entry .............................................................. 21
Keys .................................................................................13 Replacement .............................................................. 15
LLane Change Assist ........................................................52
Lap/Shoulder Belts ...................................................... 262
Latches ......................................................................... 290 Hood ............................................................... 100
, 118
Leaks, Fluid .................................................................. 290
Life Of Tires .................................................................. 354
Light Bulbs ........................................................... 290
, 342
Lights ............................................................................ 290 Air Bag ...................................................117
, 267, 289
Automatic Headlights ................................................51
Brake Assist Warning ............................................. 247
Brake Warning ........................................................ 117 Bulb Replacement ......................................... 342
, 343
Center Mounted Stop ............................................. 345
Cruise.............................................................. 123
, 124
Daytime Running ....................................................... 51
Dimmer Switch, Headlight.........................................51
Electric Power Steering .......................................... 118
Electronic Stability Program (ESP) Indicator .. 118
, 119

Exterior ............................................................. 50, 290
Fog ........................................................................... 344 Fuel Filler Cap .......................................................... 120
Hazard Warning Flasher ......................................... 291
Headlights ................................................................ 343
High Beam ................................................................. 51
High Beam/Low Beam Select .................................. 51
Hill Descent Control Indicator................................. 248
Interior........................................................................ 52
Lights On Reminder................................................... 51
Low Fuel ...................................................................120 Low Washer Fluid ....................................................120Malfunction Indicator (Check Engine).................... 120
Oil Temperature ....................................................... 118
Park .......................................................................... 123Passing....................................................................... 51
Rear Servicing.......................................................... 344
Rear Tail Lamps....................................................... 344
Seat Belt Reminder ................................................. 118
Security Alarm.......................................................... 119
Service ........................................................... 342
, 343
Side Marker ............................................................. 344
Tire Pressure Monitoring (TPMS)............................ 257
Traction Control ....................................................... 247
Transmission Temperature..................................... 119
Turn Signal ............................................................... 290
Turn Signals ................................................... 123
, 344
Warning Instrument Cluster Descriptions.... 118, 123
Load Floor, Cargo.......................................................... 102
Load Shed Battery Saver Mode ...................................114
Load Shed Battery Saver On ........................................ 114
Load Shed Electrical Load Reduction ......................... 114
Load Shed Intelligent Battery Sensor..........................114
Loading Vehicle............................................................. 169 Tires.......................................................................... 349
Locking Axle ...........................................................................144 Locks
Automatic Door ......................................................... 23
Child Protection ......................................................... 23
Power Door ................................................................ 21
Low Tire Pressure System............................................ 257
Lowering The Soft Top Into Sunrider® Position

S
.... 67
Lubrication, Body.......................................................... 326
Lug Nuts/Bolts ............................................................. 368
Luggage Carrier ............................................................ 102
MMaintenance................................................................... 91
Maintenance Free Battery ........................................... 317
Maintenance Schedule .......................................306
, 310
Malfunction Indicator Light (Check Engine) ......120, 125
Manage My Account..................................................... 237
Manual Park Release ........................................................... 301
Service ..................................................................... 380
Manual Transmission..........................................134
, 332
Fluid Level Check .................................................... 332
Lubricant Selection ........................................332
, 376
Shift Speeds ............................................................ 135
Media Mode .................................................................. 210
Methanol ....................................................................... 370
Mirrors ............................................................................. 45 Automatic Dimming .................................................. 45
Electric Powered ....................................................... 46
Electric Remote ......................................................... 46
Heated ....................................................................... 46
Outside....................................................................... 46
Rearview .................................................................... 45
Vanity ......................................................................... 46
Mobile App .................................................................... 227

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388
Remote ControlStarting System..........................................................17
Remote Features, Door Lock/Unlock ................ 231
, 237
Remote Features, Horn And Lights............................. 232
Remote Features, Starting ................................. 231
, 238
Remote Keyless Entry Arm The Alarm............................................................20
Disarm The Alarm ...................................................... 20
Programming Additional Key Fobs ...........................15
Remote Sound System (Radio) Control ...................... 201
Remote Start (Diesel) ..................................................... 19
Remote Start (Gas) .........................................................17 Remote Starting Exit Remote Start Mode ............................................18
Uconnect Customer Programmable Features .........18
Uconnect Settings...................................................... 18
Remote Starting System..........................................17
, 19
Removable Doors..................................................... 24, 27
Front ...........................................................................24
Rear ............................................................................27
Removable Top ............................................................... 91
Removing The Soft Top

S
...........................................80
Replacement Bulbs...................................................... 342
Replacement Keys ..........................................................15 Replacement Tires ....................................................... 354
Reporting Safety Defects............................................. 379
Restraints, Child ........................................................... 277
Restraints, Head ............................................................. 41
Roadside Assistance........................................... 232
, 237
Roll Over Warning ............................................................. 8
Roof Type Carrier ......................................................... 102
Rotation, Tires .............................................................. 358
SSafety.............................................................................200
Safety Checks Inside Vehicle ....................................... 288
Safety Checks Outside Vehicle ....................................290
Safety Defects, Reporting ............................................379
Safety Features............................................................. 200
Safety Information, Tire ................................................ 345
Safety Tips.....................................................................288
Safety, Exhaust Gas...................................................... 290
Satellite Radio............................................................... 203
Saved Radio Stations ...................................................207
Schedule, Maintenance ..................................... 306
, 310
Seat Belt Reminder ...................................................... 118
Seat Belts ............................................................ 261
, 288
Adjustable Shoulder Belt ........................................ 264
Adjustable Upper Shoulder Anchorage ..................264 Adjustable Upper Shoulder Belt Anchorage ..........264Automatic Locking Retractor (ALR) ........................ 265Child Restraints ....................................................... 277
Energy Management Feature ................................. 265
Extender ...................................................................265Front Seat ............................................. 261
, 262, 263
Inspection ................................................................ 288
Lap/Shoulder Belt Operation ................................. 263
Lap/Shoulder Belt Untwisting ................................ 264 Lap/Shoulder Belts ................................................. 262
Operating Instructions............................................. 263Pregnant Women..................................................... 265Pretensioners .......................................................... 265
Rear Seat ................................................................. 262
Reminder ................................................................. 261
Seat Belt Extender...................................................265 Seat Belt Pretensioner............................................ 265
Untwisting Procedure.............................................. 264
Seat Belts Maintenance .............................................. 367
Seats ............................................................................... 37 Adjustment ................................................................ 37
Fold And Tumble Rear .............................................. 39
Heated ....................................................................... 41
Height Adjustment .................................................... 38
Rear Folding .............................................................. 37
Tilting ......................................................................... 37
Security Alarm ....................................................... 19
, 119
Arm The System ........................................................ 20
Disarm The System ................................................... 20
Selec - Speed Control ................................................... 250
Selection Of Coolant (Antifreeze) ................................ 374
Send & Go ............................................................ 233
, 238
Sentry Key (Immobilizer) ................................................ 15 Sentry Key Replacement ............................................... 15
Service Assistance ....................................................... 377
Service Contract ........................................................... 379
Service Manuals ........................................................... 380
Settings ......................................................................... 184
Settings, Audio.............................................................. 208
Shifting .......................................................................... 137 Automatic Transmission ................................137
, 138
Manual Transmission ............................................. 134
Transfer Case, Shifting Into Transfer Case Neutral (N) .......................................................... 177
Transfer Case, Shifting Out Of Transfer Case Neutral (N) .......................................................... 177
Shoulder Belts .............................................................. 262
Side Step Removal ....................................................... 178

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