2023 JEEP GLADIATOR ABS

380SERVICING AND MAINTENANCE
(Continued)
BRAKE SYSTEM
In order to ensure brake system performance, all
brake system components should be inspected
periodically. For the proper maintenance intervals
Úpage 354.
Fluid Level Check — Brake Master Cylinder
The fluid level of the 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 Ú page 426.
FRONT/REAR AXLE FLUID
For normal service, periodic fluid level checks are
not required. When the vehicle is serviced for other
reasons the exterior surfaces of the axle assembly
should be inspected. If gear oil leakage is
suspected, inspect the fluid level.
Fluid Level Check
Lubricant should be approximately 1/8 inch
(3 mm) below the bottom edge of the oil fill hole.
NOTE:Make sure that the vehicle is level and supported
by the axles.
Adding Fluid
Add lubricant only at the fill hole and only to the
level specified above.
Selection Of Lubricant
Use only the manufacturer’s recommended fluid
Úpage 426.
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 recommended brake
fluid Ú page 426. 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
moisture, 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 contam -
inate the brake fluid. Brake seal components
could be damaged, causing partial or
complete brake failure. This could result in a
collision.
WARNING!

23_JT_OM_EN_USC_t.book Page 380

396SERVICING AND MAINTENANCE
Tire Markings

Tire Markings

NOTE:
P (Passenger) — Metric tire sizing is based on US
design standards. P-Metric tires have the letter
“P” molded into the sidewall preceding the size
designation. Example: P215/65R15 95H.
European — Metric tire sizing is based on Euro -
pean design standards. Tires designed to this
standard have the tire size molded into the side -
wall beginning with the section width. The letter
“P” is absent from this tire size designation.
Example: 215/65R15 96H.
LT (Light Truck) — Metric tire sizing is based on
US design standards. The size designation for
LT-Metric tires is the same as for P-Metric tires
except for the letters “LT” that are molded into
the sidewall preceding the size designation.
Example: LT235/85R16.
Temporary spare tires are designed for tempo -
rary emergency use only. Temporary high pres -
sure compact spare tires have the letter “T” or
“S” molded into the sidewall preceding the size
designation. Example: T145/80D18 103M.
High flotation tire sizing is based on US design
standards and it begins with the tire diameter
molded into the sidewall.
Example: 31x10.5 R15 LT.

1 — US DOT Safety Standards Code (TIN)

2 — Size Designation
3 — Service Description
4 — Maximum Load
5 — Maximum Pressure
6 — Treadwear, Traction and
Temperature Grades

23_JT_OM_EN_USC_t.book Page 396

398SERVICING AND MAINTENANCE
Tire Identification Number (TIN)
The TIN may be found on one or both sides of the tire; however, the date code may only be on one side. Tires with white sidewalls will have the full TIN, including
the date code, located on the white sidewall side of the tire. Look for the TIN on the outboard side of black sidewall tires as mounted on the vehicle. If the TIN is
not found on the outboard side, then you will find it on the inboard side of the tire.Load Identification:
Absence of the following load identification symbols on the sidewall of the tire indicates a Standard Load (SL) tire:
XL = Extra load (or reinforced) tire, or
LL
= Light load tire or
C, D, E, F, G = Load range associated with the maximum load a tire can carry at a specified pressure
Maximum Load – Maximum load indicates the maximum load this tire is designed to carry
Maximum Pressure – Maximum pressure indicates the maximum permissible cold tire inflation pressure for this tire
EXAMPLE:
EXAMPLE:
DOT MA L9 ABCD 0301
DOT = Department of Transportation
This symbol certifies that the tire is in compliance with the US Department of Transportation tire safety standards and is approved for highway use
MA = Code representing the tire manufacturing location (two digits)
L9 = Code representing the tire size (two digits)
ABCD = Code used by the tire manufacturer (one to four digits)
03 = Number representing the week in which the tire was manufactured (two digits)
03 means the 3rd week

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430CUSTOMER ASSISTANCE
FCA US LLC CUSTOMER CENTER
P.O. Box 21–8004
Auburn Hills, MI 48321–8004
Phone: (877) 426-5337
FCA CANADA INC. CUSTOMER CENTER
P.O. Box 1621
Windsor, Ontario N9A 4H6
Phone: (800) 465-2001 English / (800) 387-9983
French
MEXICO
Av. Prolongacion Paseo de la Reforma, 1240
Sante Fe C.P. 05109
Mexico, D.F.
In Mexico City: 800-505-1300
Outside Mexico City: +(52)55 50817568
PUERTO RICO AND U.S. VIRGIN
I
SLANDS
FCA Caribbean LLC
P.O. Box 191857
San Juan 00919-1857
Phone: (877) 426-5337
Fax: (787) 782-3345
CUSTOMER ASSISTANCE FOR THE
H
EARING OR SPEECH IMPAIRED
(TDD/TTY)
To assist customers who have hearing difficulties,
FCA US LLC has installed special TDD (Telecommu -
nication Devices for the Deaf) equipment at its
customer center. Any hearing or speech impaired
customer, who has access to a TDD or a
conventional teletypewriter (TTY) in the United
States, can communicate with FCA US LLC by
dialing 1-800-380-2479.
Canadian residents with hearing difficulties that
require assistance can use the special needs relay
service offered by Bell Canada. For TTY
teletypewriter users, dial 711 and for Voice callers,
dial 1-800-855-0511 to connect with a Bell Relay
Service operator.
SERVICE CONTRACT

You may have purchased a service contract for a
vehicle to help protect you from the high cost of
unexpected repairs after FCA US LLC’s New Vehicle
Limited Warranty expires. The Mopar® Vehicle
Protection plans are the ONLY vehicle extended
protection plans authorized, endorsed and backed
by FCA US LLC to provide additional protection
beyond your vehicle’s warranty. If you purchased a
Mopar® Vehicle Protection Plan, you will receive
Plan Provisions and an Owner Identification Card in the mail within three weeks of the vehicle delivery
date. If you have any questions about the service
contract, call the manufacturer's Service Contract
National Customer Hotline at 1-800-521-9922
(Canadian residents, call (800) 465-2001 English /
(800) 387-9983 French).

FCA US LLC is not responsible for any service
contract you may have purchased from another
manufacturer. If you require service after the FCA
US LLC New Vehicle Limited Warranty expires,
please refer to the contract documents, and
contact the person listed in those documents.
We appreciate that you have made a major
investment when you purchased the vehicle. An
authorized dealer has also made a major
investment in facilities, tools, and training to
assure that you are absolutely delighted with the
ownership experience.
WARNING!
Engine exhaust (internal combustion engines
only), some of its constituents, and certain
vehicle components contain, or emit, chemicals
known to the State of California to cause cancer
and birth defects, or other reproductive harm. In
addition, certain fluids contained in vehicles and
certain products of component wear contain, or
emit, chemicals known to the State of California
to cause cancer and birth defects, or other
reproductive harm.

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433
INDEX
A
About Your Brakes......................................... 418Accessory Drive Belt Inspection..................... 372Adaptive Cruise Control (ACC)
(Cruise Control).............................................. 173Adding Engine Coolant (Antifreeze)............... 378Adding Fuel.......................................... 191, 192Additives, Fuel............................................... 419Advance Phone Connectivity......................... 252Air BagAir Bag Operation...................................... 308Air Bag Warning Light............. 132, 306, 309Enhanced Accident Response......... 317, 352Event Data Recorder (EDR)....................... 352Front Air Bag................................... 307, 309If Deployment Occurs................................ 316Knee Impact Bolsters................................ 314Maintaining Your Air Bag System.............. 317Maintenance............................................. 317Redundant Air Bag Warning Light.............307Transporting Pets...................................... 329Air Bag Light........................................ 306, 329Air Cleaner, Engine (Engine Air Cleaner
Filter)............................................................. 366Air Conditioner Maintenance......................... 372Air Conditioner Refrigerant.................. 372, 373
Air Conditioner System................................. 372Air Conditioning Filter..............................68, 373Air Conditioning System................................... 67Air Conditioning, Operating Tips....................... 67Air Filter........................................................ 366Air PressureTires......................................................... 402AlarmArm The System.......................................... 23Disarm The System..................................... 23Security Alarm............................................. 23Alterations/ModificationsVehicle......................................................... 11Android Auto........................................ 254, 255Android Auto™
S
........................................ 254Antifreeze (Engine Coolant)................. 377, 423Disposal................................................... 378Anti-Lock Brake System (ABS)............. 135, 279Apple CarPlay....................................... 254, 257Apple CarPlay®
S
...................................... 256Assist, Hill Start............................................. 283Audio Settings............................................... 240Audio Systems (Radio).................................. 214Auto Down Power Windows............................. 81Automatic Dimming Mirror............................... 51Automatic Door Locks...................................... 27
Automatic Headlights.......................................58Automatic High Beams.....................................58Automatic Temperature Control (ATC)..............67Automatic Transmission................................ 157Adding Fluid.............................................. 382Autostick................................................... 160Fluid And Filter Change............................. 382Fluid Change............................................. 382Fluid Level Check............................. 381, 382Fluid Type........................................ 382, 426Gear Ranges............................................. 157Special Additives...................................... 381Automatic Transmission Limp Home Mode... 159AutoPark....................................................... 145AUX..................................................................71Auxiliary Electrical Outlet (Power Outlet)..........77Auxiliary Power Outlet......................................77Auxiliary Switches............................................79Axle Fluid....................................................... 426Axle Lock.............................................. 165, 166
B
Battery.......................................................... 364Charging System Light.............................. 133Keyless Key Fob Replacement....................16Bed Lights........................................................59
11

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434
Belts, Seat
..................................................... 329Blind Spot Monitoring.................................... 287Bluetooth Connecting To A Particular Mobile Phone Or Audio Device After Pairing
................248Body Mechanism Lubrication........................ 374B-Pillar Location............................................. 400Brake Assist System...................................... 280Brake Control System.................................... 280Brake Fluid.......................................... 380, 426Brake System...................................... 380, 418Anti-Lock (ABS).......................................... 418Fluid Check............................................... 380Master Cylinder......................................... 380Parking...................................................... 152Warning Light............................................ 132Brake/Transmission Interlock....................... 157Bulb Replacement............................... 392, 393Bulbs, Light.......................................... 330, 392Bumper End Cap Removal............................. 208
C
Camera, Rear................................................ 189Capacities, Fluid............................................ 423Caps, FillerFuel........................................................... 191Oil (Engine)................................................ 362Radiator (Coolant Pressure)...................... 378Car Washes................................................... 412Carbon Monoxide Warning............................ 331
Carpet Safety Information............................. 414Carpeting...................................................... 415CD................................................................. 242Cellular Phone.............................................. 276Center High Mounted Stop Light................... 395Certification Label......................................... 195Chains, Tire................................................... 408Charge Air Cooler.......................................... 379Chart, Tire Sizing........................................... 397Checking Your Vehicle For Safety................. 328Checks, Safety.............................................. 328Child Restraint.............................................. 318Child RestraintsBooster Seats........................................... 321Child Seat Installation.............................. 327How To Stow An unused ALR Seat Belt.... 325Infant And Child Restraints....................... 320Locating The LATCH Anchorages.............. 324Lower Anchors And Tethers For Children.. 322Older Children And Child Restraints......... 320Seating Positions...................................... 321Clean Air Gasoline......................................... 419CleaningWheels..................................................... 407Climate Control................................................ 61Automatic.................................................... 62Manual........................................................ 64CNG And LP Fuel System Modifications........ 420Cold Weather Operation............................... 146Compact Spare Tire...................................... 406
Connected Services...................................... 258Connected Services FAQ............................... 272Connected Services Features....................... 261Connected Services, Getting Started............ 260Connected Services, Introduction................. 258ConnectorUCI...............................................................71Universal Consumer Interface (UCI).............71Console............................................................69Floor............................................................69Contract, Service........................................... 430Controls........................................................ 234Cooling Pressure Cap (Radiator Cap)............ 378Cooling System............................................. 377Adding Coolant (Antifreeze)...................... 378Coolant Level............................................ 379Cooling Capacity....................................... 423Disposal Of Used Coolant......................... 378Drain, Flush, And Refill............................. 377Inspection........................................ 377, 379Points To Remember................................ 379Pressure Cap............................................ 378Radiator Cap............................................. 378Selection Of Coolant (Antifreeze)......................... 377, 423, 424Corrosion Protection..................................... 411Cruise Control (Speed
Control)............................. 139, 140, 141, 173Customer Assistance.................................... 428Cybersecurity................................................ 214

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