2021 JEEP WRANGLER UNLIMITED coolant

TECHNICAL SPECIFICATIONS
254
FLUIDS AND LUBRICANTS
Engine
Your vehicle is equipped with an engine oil that has been thoroughly developed and tested in order to meet the requirements of the Scheduled
Servicing Plan. Constant use of the prescribed lubricants guarantees the fuel consumption and emission specifications. Lubricant quality is
crucial for engine operation and duration. If lubricants conforming to the specific request are not available, products that meet the indicated
specifications can be used to top up, in this case optimal performance of the engine is not guaranteed.
ComponentFluid, Lubricant, or Genuine Part
Eng

ine Coolant We recommend you use PARAFLU UP Formula OAT (Organic Additive
Technology) or equivalent meeting the requirements of FCA Material
Standard MS.90032.
Intercooler – If Equipped We recommend you use PARAFLU
UP Formula OAT (Organic Additive
Technology) or equivalent meeting the requirements of FCA Material
Standard MS.90032.
Engine Oil — 2.0L Gasoline Engine We recommend you use SELENIA K POWER PLUS, or equivalent, API SN
PLUS Certified SAE 5W-30 Full Synthetic Engine Oil, meeting the
requirements of FCA Material Standard MS-13340. If SN PLUS or
equivalent oil is unavailable then use SELENIA DIGITEK PE, or equivalent,
SAE 0W-30 ACEA C2/API SN Full Synthetic Engine Oil, meeting the
requirement of FCA Material Standard 9.55535-GS1.
CAUTION!
Failure to use the recommended SN PLUS or equivalent oil can cause engine
damage not covered by the vehicle warranty.
Engine Oil — 3.6L Gasoline Engine We recommend you use SELENIA K POWER 0W-20, or equivalent, 0W-20
Engine Oil, meeting the requirements of FCA Material Standard MS-6395.
Refer to your engine oil filler cap for correct SAE grade.
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TECHNICAL SPECIFICATIONS
256
(Continued)
(Continued)
CAUTION!
Mixing of engine coolant (antifreeze)
other than specified Organic Additive
Technology (OAT) engine coolant (anti -
freeze), may result in engine damage
and may decrease corrosion protection.
Organic Additive Technology (OAT)
engine coolant is different and should
not be mixed with Hybrid Organic Addi -
tive Technology (HOAT) engine coolant
(antifreeze) or any “globally compatible”
coolant (antifreeze). If a non-OAT engine
coolant (antifreeze) is introduced into
the cooling system in an emergency, the
cooling system will need to be drained,
flushed, and refilled with fresh OAT
coolant (conforming to MS.90032), by
an authorized dealer as soon as possible.Do not use water alone or alcohol-based
engine coolant (antifreeze) products. Do
not use additional rust inhibitors or anti -
rust products, as they may not be
compatible with the radiator engine
coolant and may plug the radiator.
This vehicle has not been designed for
use with propylene glycol-based engine
coolant (antifreeze). Use of propylene
glycol-based engine coolant (antifreeze)
is not recommended.
The use of products with different spec-
ifications than those indicated above
could cause damage to the engine that is
not covered by the warranty.
CAUTION! (Continued)

Use AdBlue® only according to DIN 70 070
and ISO 22241-1. Other fluids may cause
damage to the system: also exhaust emis -
sions would no longer comply with the law.

The distribution companies are responsible
for the compliance of their product.
Observe the precautions of storage and
servicing, in order to preserve the initial
qualities. The manufacturer of the vehicle
does not recognize any guarantee in case
of malfunctions and damage caused to the
vehicle due to the use of AdBlue® not in
accordance with regulations.

CAUTION! (Continued)
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279
Pitch & Roll
The Pitch & Roll page displays the vehicle’s
current pitch (angle up and down) and roll
(angle side to side) in degrees. The pitch and
roll gauges provide a visualization of the
current vehicle angle.Pitch & Roll Menu 2WD/4WD
Accessory Gauge
The Accessory Gauge page displays the
current status of the vehicle’s Coolant
Temperature, Oil Temperature, Oil Pressure
(Gas Vehicles Only), Transmission Tempera -
ture, and Battery Voltage.
Accessory Gauges Menu 2WD/4WD
STEERING WHEEL AUDIO
CONTROLS
The remote sound system controls are
located on the rear surface of the steering
wheel. Reach behind the wheel to access the
switches.Audio Controls (Back View Of Steering Wheel)
The right-hand control is a rocker-type
switch with a push-button in the center and
controls the volume and mode of the sound
system. Pushing the top of the rocker switch
increases the volume, and pushing the
bottom of the rocker switch decreases the
volume.
Pushing the center button mutes the radio.
1 — Current Pitch
2 — Current Roll
1 — Coolant Temperature
2 — Oil Temperature
3 — Oil Pressure (Gas Vehicles Only)
4 — Battery Voltage
5 — Transmission Temperature (Automatic
Transmissions Only)
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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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320
INDEX
C
Camera, Rear .................................... 167
Capacities, Fluid................................ 253
Caps, FillerFuel ...................................... 169 , 170
Oil (Engine) ................................... 221
Car Washes ....................................... 243
Carbon Monoxide Warning .................. 135
Center High Mounted Stop Light ......... 183
Certification Label ............................. 174
Chains, Tire ...................................... 240
Change Oil Indicator ............................ 61
Changing A Flat Tire .......................... 232
Checking Your Vehicle For Safety ........ 135
Checks, Safety .................................. 135
Cleaning Wheels .......................................... 239
Climate Control Automatic........................................ 37
Clock Settings ................................... 261
Compact Spare Tire ........................... 238
Connector UCI ............................................... 280
Universal Consumer Interface (UCI) ........................... 280
Cooling System .................................. 229 Cooling Capacity ............................ 253Inspection ..................................... 230
Selection Of Coolant (Antifreeze) ........................ 253 , 254 Cruise Control (Speed Control) ............ 158
Cruise Light ...................................74
, 76
Customer Assistance .......................... 304
Cybersecurity .................................... 260
D
Daytime Running Lights ....................... 32
Dealer Service ................................... 226
Defroster, Windshield......................... 136
Delay (Intermittent) Wipers .................. 35
Diagnostic System, Onboard ................. 77
Diesel Display Messages ............................. 62
Dimmer Switch Headlight ........................................ 32
Dipsticks Oil (Engine) ................................... 224
Disabled Vehicle Towing .................... 207
Do Not Disturb ...........................292 , 301
Door Ajar .......................................66 , 68
Door Ajar Light ...............................66 , 68
Doors ................................................. 18 Removal.....................................21 , 23
Removal, Front ................................ 21
Removal, Rear ................................. 23
Drag And Drop Menu ..................264 , 269
Driver’s Seat Back Tilt ......................... 24
Dual Top .......................................47 , 53 E
Electric Brake Control System ...............79
Anti-Lock Brake System ....................78
Electronic Roll Mitigation ............ 80 , 87

Electrical Outlet, Auxiliary (Power Outlet) .. 56

Electrical Power Outlets ........................56
Electronic Speed Control
(Cruise Control) ..................................157
Electronic Stability Control (ESC) ..........80
Electronic Throttle Control Warning
Light ...................................................66
Emergency, In Case Of Jacking .................................. 192 , 232
Jump Starting ................................201
Emissions..........................................258
Engine ..............................................221 Break-In Recommendations .............143Compartment ................. 221 , 222 , 223
Compartment Identification .............. 221 , 222 , 223
Coolant (Antifreeze) ........................254
Cooling ..........................................229 Exhaust Gas Caution .......................135
Fuel Requirements ................. 248 , 253
Jump Starting ................................201
Oil ........................................ 253 , 254
Oil Filler Cap ..................................221
Oil Selection ..................................253
Overheating....................................204
Starting .........................................138
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324
INDEX
Recreational Towing ........................... 176Shifting Into Transfer CaseNeutral (N)................................. 177
Shifting Out Of Transfer Case Neutral (N)................................. 178
Release, Hood ..................................... 55
Reminder, Seat Belt............................. 99
Remote Control Starting System ............................... 14
Remote Keyless Entry Arm The Alarm................................. 15
Disarm The Alarm ............................ 15
Remote Sound System (Radio)
Control ............................................. 279
Remote Starting System ....................... 14
Removable Doors ........................... 21 , 23
Front............................................... 21
Rear................................................ 23
Removable Top .........................47 , 51 , 53
Removal ............................................. 51
Removing............................................ 53
Replacement Bulbs ............................ 179
Replacement Keys ............................... 12
Replacement Tires ............................. 236
Restraints, Head .................................. 28
Roll Over Warning .................................. 2
Roof Type Carrier ................................. 58
Rotation, Tires ................................... 241 S
Safety Checks Inside Vehicle .............. 136
Safety Checks Outside Vehicle ............ 137
Safety Tips ....................................... 135
Safety, Exhaust Gas ........................... 135
Schedule, Maintenance...............210
, 216
Seat Belt Reminder ............................. 67
Seat Belts ....................................98 , 136
Adjustable Shoulder Belt ................ 103
Adjustable Upper Shoulder Anchorage ................................. 103
Adjustable Upper Shoulder Belt Anchorage ................................. 103
Energy Management Feature ........... 104
Front Seat ........................ 98 , 100 , 102
Inspection ..................................... 136
Lap/Shoulder Belt Operation ........... 102
Lap/Shoulder Belt Untwisting .......... 103
Lap/Shoulder Belts......................... 100
Operating Instructions .................... 102 Pregnant Women ........................... 104
Pretensioners................................. 104
Rear Seat ...................................... 100
Reminder ........................................ 99
Seat Belt Pretensioner .................... 104Seat Belt Reminder ......... 67 , 74 , 75 , 99
Untwisting Procedure ..................... 103
Seat Belts Maintenance ..................... 245 Seats ..................................................24
Adjustment ......................................24
Fold And Tumble Rear ......................27
Rear Folding ....................................24
Tilting .............................................24
Security Alarm ............................... 15 , 68
Arm The System ...............................15
Disarm The System ...........................15
Selection Of Coolant (Antifreeze) .........254
Sentry Key Replacement .......................12
Service Assistance .............................304
Shifting .............................................143 Automatic Transmission .......... 143 , 145
Transfer Case, Shifting Into Transfer Case Neutral (N).............177
Transfer Case, Shifting Out Of Transfer Case Neutral (N).............178
Shoulder Belts ...................................100
Signals, Turn ................74 , 137 , 181 , 182
Siri ...................................................300
Snow Chains (Tire Chains) ..................240
Snow Tires ........................................237
Soft Top ........................................ 47 , 53
Spare Tires ........................ 193 , 237 , 238
Spark Plugs .......................................254
Specifications Fuel (Gasoline) ...............................254
Oil ................................................254
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