2021 Jeep Wrangler Owner's Manual
Year:
2021
Make:
Jeep
Model:
Wrangler
Rating:
Table of Contents
Symbols Key
12
ROLLOVER WARNING
12
VEHICLE MODIFICATIONS/ALTERATIONS
13
Symbol Glossary
13
GETTING TO KNOW YOUR VEHICLE
18
KEYS
18
Key Fob
18
To Lock/Unlock The Doors And Swing Gate
19
Replacing The Battery In The Key Fob
19
Programming And Requesting Additional Key Fobs
20
SENTRY KEY
20
IGNITION SWITCH
21
Keyless Enter-N-Go — Ignition
21
REMOTE START — IF EQUIPPED (GASOLINE)
22
How To Use Remote Start
23
To Exit Remote Start Mode
24
Remote Start Front Defrost Activation — If Equipped
24
Remote Start Comfort Systems — If Equipped
24
Remote Start Cancel Message
25
REMOTE START — IF EQUIPPED (DIESEL)
25
How To Use Remote Start
25
VEHICLE SECURITY SYSTEM — IF EQUIPPED
26
To Arm The System
26
To Disarm The System
27
Rearming Of The System
27
DOORS
27
Manual Door Locks
27
Power Door Locks — If Equipped
28
Keyless Enter-N-Go — Passive Entry (If Equipped)
28
Automatic Door Locks — If Equipped
31
Child-Protection Door Lock System — Rear Doors
31
Front Door Removal
32
Rear Door Removal (Four-Door Models)
34
STEERING WHEEL
35
Tilt/Telescoping Steering Column
35
Heated Steering Wheel — If Equipped
36
SEATS
36
Manual Adjustment Front Seats
37
Manual Front Seat Forward/Rearward Adjustment
37
Manual Seat Height Adjustment
37
Manual Front Seat Recline Adjustment
37
Lumbar Support
38
Front Passenger Easy Entry Seat — Two Door Models
38
60/40 Split Folding Rear Seat — Four Door Models
38
To Fold Down The Rear Seat
39
To Raise The Rear Seat
39
Fold And Tumble Rear Seat — Two Door Models
39
Heated Seats — If Equipped
40
Rear Seat Armrest — If Equipped
41
Head Restraints
42
Front Head Restraints
42
Rear Head Restraints — Two Door Models
42
Rear Head Restraints — Four Door Models
43
UCONNECT VOICE RECOGNITION
44
Introducing Voice Recognition
44
Basic Voice Commands
45
Get Started
45
Additional Information
45
MIRRORS
46
Inside Rearview Mirror
46
Manual Mirror — If Equipped
46
Automatic Dimming Mirror — If Equipped
46
Illuminated Vanity Mirrors
46
Outside Mirrors
47
Heated Mirrors — If Equipped
47
Power Mirrors — If Equipped
47
UNIVERSAL GARAGE DOOR OPENER (HOMELINK®) — IF EQUIPPED
47
Before You Begin Programming HomeLink®
48
Erasing All The HomeLink® Channels
48
Identifying Whether You Have A Rolling Code Or Non-Rolling Code Device
48
Programming HomeLink® To A Garage Door Opener
49
Programming HomeLink® To A Miscellaneous Device
50
Reprogramming A Single HomeLink® Button
50
Canadian/Gate Operator Programming
50
EXTERIOR LIGHTS
51
Headlight Switch
51
Daytime Running Lights (DRLs) — If Equipped
51
High/Low Beam Switch
52
Automatic High Beam Headlamp Control — If Equipped
52
Flash-To-Pass
52
Automatic Headlights — If Equipped
52
Lights-On Reminder
52
Front Fog Lights — If Equipped
53
Turn Signals
53
Lane Change Assist — If Equipped
53
INTERIOR LIGHTS
53
Interior Courtesy Lights
53
Dimmer Controls
54
WINDSHIELD WIPERS AND WASHERS
54
Windshield Wiper Operation
54
Rear Window Wiper/Washer — If Equipped
55
CLIMATE CONTROLS
56
Automatic Climate Control Descriptions And Functions
56
MAX A/C Button
56
A/C Button
56
Recirculation Button
57
AUTO Button
57
Front Defrost Button
57
Rear Defrost Button
57
Driver And Passenger Temperature Up And Down Buttons
58
SYNC Button
58
Blower Control
58
Mode Control
58
Panel Mode
58
Bi-Level Mode
59
Floor Mode
59
Mix Mode
59
Climate Control OFF Button
59
Manual Climate Control Descriptions And Functions
59
MAX A/C Setting — If Equipped
59
A/C Button
59
Recirculation Button
59
Front Defrost Setting
60
Rear Defrost Button
60
Temperature Control
60
Blower Control
61
Mode Control
61
Panel Mode
61
Bi-Level Mode
61
Floor Mode
61
Mix Mode
61
Climate Control OFF
61
Automatic Temperature Control (ATC) — If Equipped
61
Automatic Operation
61
Manual Operation Override
62
Climate Voice Commands
62
Operating Tips
62
Summer Operation
62
Winter Operation
62
Vacation/Storage
62
Window Fogging
62
Outside Air Intake
62
Cabin Air Filter
62
Stop/Start System — If Equipped
63
Windshield Wiper De-Icer — If Equipped
63
Operating Tips Chart
63
INTERIOR STORAGE AND EQUIPMENT
64
Storage
64
Glove Compartment
64
Console Storage Compartment
64
Rear Storage Compartment — If Equipped
64
USB/AUX Control
64
Power Outlets
66
Power Inverter — If Equipped
67
Auxiliary Switches — If Equipped
68
POWER WINDOWS — IF EQUIPPED
69
Auto-Down Feature
70
Window Lockout Switch
70
Wind Buffeting
70
WRANGLER TOPS
70
Provided Tools
70
Lowering The Soft Top Into Sunrider® Position
71
Removing The Soft Top Windows
77
Soft Top Window Storage Bag — If Equipped
79
Lowering The Soft Top All The Way
80
Raising The Soft Top
82
Installing The Soft Top Windows
83
Removing The Soft Top
85
Installing The Soft Top
87
Hard Top Front Panel(s) Removal
89
Hard Top Panel(s) Storage Bag — If Equipped
92
Hard Top Front Panel(s) Installation
93
Removing The Hard Top
93
Installing The Hard Top
95
Power Sliding Top — If Equipped
96
Opening And Closing The Power Top
97
Pinch Protect Feature
97
Power Top Maintenance
97
Ignition Off Operation
97
Relearn Procedure
97
Rear Quarter Window Removal
98
DOOR FRAME
99
Door Frame Removal
100
Door Frame Installation Four Door Models — If Equipped
101
Door Frame Installation Two Door Models — If Equipped
102
FOLDING WINDSHIELD
102
Lowering The Windshield
103
ACC/FCW Sensor Protective Cover — If Equipped
105
Raising The Windshield
105
HOOD
106
Opening The Hood
106
Closing The Hood
106
REAR SWING GATE
106
Cargo Area Features
107
Trail Rail Cargo Organizer — If Equipped
107
ROOF LUGGAGE RACK — IF EQUIPPED
107
GETTING TO KNOW YOUR INSTRUMENT PANEL
109
INSTRUMENT CLUSTER
109
Instrument Cluster Descriptions
113
INSTRUMENT CLUSTER DISPLAY
113
Instrument Cluster Display Location And Controls
114
Oil Change Reset — If Equipped
115
Instrument Cluster Display Menu Items
115
Speedometer
115
Vehicle Info
115
Off Road
115
Driver Assist — If Equipped
116
Fuel Economy
116
Trip Info
117
Stop/Start — If Equipped
117
Audio
117
Stored Messages
117
Screen Setup
117
Settings
118
Battery Saver On/Battery Saver Mode Message — Electrical Load Reduction Actions — If Equipped
119
Diesel Displays
120
Diesel Particulate Filter (DPF) Messages
120
Fuel System Messages
121
WARNING LIGHTS AND MESSAGES
124
Red Warning Lights
124
Air Bag Warning Light
124
Brake Warning Light
124
Seat Belt Reminder Warning Light
125
Battery Charge Warning Light
125
Door Open Warning Light
125
Electric Power Steering (EPS) Fault Warning Light
125
Electronic Throttle Control (ETC) Warning Light
125
Engine Coolant Temperature Warning Light
126
Hood Open Warning Light
126
Oil Pressure Warning Light
126
Oil Temperature Warning Light
126
Swing Gate Open Warning Light
126
Transmission Temperature Warning Light — If Equipped
126
Vehicle Security Warning Light — If Equipped
127
Yellow Warning Lights
127
Anti-Lock Brake System (ABS) Warning Light
127
Electronic Stability Control (ESC) Active Warning Light — If Equipped
127
Electronic Stability Control (ESC) OFF Warning Light — If Equipped
128
Loose Fuel Filler Cap Warning Light — If Equipped
128
Low Fuel Warning Light
128
Low Washer Fluid Warning Light — If Equipped
128
Engine Check/Malfunction Indicator Warning Light (MIL)
128
AdBlue® (UREA) Injection System Failure Warning Light — If Equipped
129
Service 4WD Warning Light — If Equipped
129
Service Forward Collision Warning (FCW) Light — If Equipped
129
Service Stop/Start System Warning Light — If Equipped
129
Cruise Control Fault Warning Light
129
Sway Bar Fault Warning Light
129
Tire Pressure Monitoring System (TPMS) Warning Light
129
Yellow Indicator Lights
131
4WD Indicator Light — If Equipped
131
4WD Low Indicator Light — If Equipped
131
4WD Part Time Indicator Light — If Equipped
131
Axle Locker Fault Indicator Light
131
Forward Collision Warning (FCW) OFF Indicator Light — If Equipped
131
Front And Rear Axle Lock Indicator Light
131
Neutral Indicator Light — If Equipped
131
Rear Axle Lock Indicator Light
131
Service Adaptive Cruise Control Warning Light — If Equipped
131
Sway Bar Indicator Light — If Equipped
131
Wait To Start Light — If Equipped
131
Low Diesel Emissions Additive AdBlue® (UREA) Indicator Light — If Equipped
132
Water In Fuel Indicator Light — If Equipped
132
Green Indicator Lights
132
Adaptive Cruise Control (ACC) Set With No Target Detected Indicator Light — If Equipped
132
Adaptive Cruise Control (ACC) Set With Target Light — If Equipped
132
4WD Auto Indicator Light — If Equipped
132
Cruise Control SET Indicator Light — If Equipped With A Premium Instrument Cluster
132
Front Fog Indicator Light — If Equipped
132
Park/Headlight On Indicator Light
132
Stop/Start Active Indicator Light — If Equipped
133
Turn Signal Indicator Lights
133
White Indicator Lights
133
Adaptive Cruise Control (ACC) Ready Light — If Equipped
133
2WD High Indicator Light — If Equipped With a Premium Instrument Cluster
133
Hill Descent Control (HDC) Indicator Light — If Equipped
133
Selec-Speed Control Indicator Light — If Equipped
133
Cruise Control Ready Indicator Light — If Equipped With A Premium Instrument Cluster
133
Cruise Control SET Indicator Light — If Equipped With Base Instrument Cluster
133
Blue Indicator Lights
133
High Beam Indicator Light
133
Gray Indicator Lights
134
Cruise Control Ready Indicator Light — If Equipped With Base Instrument Cluster
134
ONBOARD DIAGNOSTIC SYSTEM — OBD II
134
Onboard Diagnostic System (OBD II) Cybersecurity
134
EMISSIONS INSPECTION AND MAINTENANCE PROGRAMS
134
STARTING AND OPERATING
136
STARTING THE ENGINE — GASOLINE ENGINE (IF EQUIPPED)
136
Manual Transmission — If Equipped
136
Automatic Transmission — If Equipped
136
Normal Starting
136
AutoPark
137
Extreme Cold Weather (Below –22°F Or −30°C)
139
If Engine Fails To Start
139
After Starting
139
STARTING THE ENGINE — DIESEL ENGINE (IF EQUIPPED)
139
Automatic Transmission
140
Extreme Cold Weather
140
Normal Starting
140
Starting Fluids
141
NORMAL OPERATION — DIESEL ENGINE
141
Cold Weather Precautions
142
Fuel Operating Range
142
Engine Oil Usage
143
Winter Front Cover
143
Engine Warm-Up
143
Engine Idling
143
Stopping The Engine
143
Cooling System Tips — Automatic Transmission
144
Do Not Operate The Engine With Low Oil Pressure
144
Do Not Operate The Engine With Failed Parts
145
ENGINE BLOCK HEATER — IF EQUIPPED
145
ENGINE BREAK-IN RECOMMENDATIONS — GASOLINE ENGINE (IF EQUIPPED)
145
ENGINE BREAK-IN RECOMMENDATIONS — DIESEL ENGINE (IF EQUIPPED)
146
PARKING BRAKE
146
MANUAL TRANSMISSION — IF EQUIPPED
147
Shifting
148
Recommended Vehicle Shift Speeds
148
Downshifting
149
Maximum Recommended Downshift Speeds
150
AUTOMATIC TRANSMISSION — IF EQUIPPED
150
Ignition Park Interlock
151
Brake/Transmission Shift Interlock System
151
Eight–Speed Automatic Transmission
151
Gear Ranges
152
Transmission Limp Home Mode
155
AutoStick
155
FOUR–WHEEL DRIVE OPERATION
156
Four-Position Transfer Case — If Equipped
156
Shifting Procedures
158
2WD High To 4WD High Or 4WD High To 2WD High
158
4WD High To 4WD Low Or 4WD Low To 4WD High
158
Five-Position Transfer Case — If Equipped
159
Shifting Procedures
160
2WD High To 4WD High AUTO Or 4WD High AUTO To 2WD High
160
2WD High/4WD High AUTO To 4WD High PT Or 4WD High PT To 2WD High/4WD High AUTO
160
4WD High PT/4WD High AUTO To 4WD Low Or 4WD Low To 4WD High PT/4WD High AUTO
161
Trac-Lok Rear Axle — If Equipped
161
Axle Lock (Tru-Lok) Front And Rear — If Equipped
161
Axle Lock (Tru-Lok) Rear Only — If Equipped
162
Electronic Sway Bar Disconnect — If Equipped
163
— If Equipped
164
ELECTRO-HYDRAULIC POWER STEERING
165
STOP/START SYSTEM — AUTOMATIC TRANSMISSION (IF EQUIPPED)
165
Autostop Mode
166
Possible Reasons The Engine Does Not Autostop
166
To Start The Engine While In Autostop Mode
167
To Manually Turn Off The Stop/ Start System
167
To Manually Turn On The Stop/ Start System
168
System Malfunction
168
STOP/START SYSTEM — MANUAL TRANSMISSION (IF EQUIPPED)
168
Autostop Mode
168
Possible Reasons The Engine Does Not Autostop
169
To Start The Engine While In Autostop Mode
169
To Manually Turn Off The Stop/ Start System
170
To Manually Turn On The Stop/ Start System
170
System Malfunction
170
CRUISE CONTROL SYSTEMS — IF EQUIPPED
170
Cruise Control — If Equipped
170
To Activate
171
To Set A Desired Speed
171
To Vary The Speed Setting
171
To Accelerate For Passing
172
Using Cruise Control On Hills
172
To Resume Speed
172
To Deactivate
172
Adaptive Cruise Control (ACC) — If Equipped
172
Adaptive Cruise Control (ACC) Operation
174
Adaptive Cruise Control (ACC) Menu
174
Activating Adaptive Cruise Control (ACC)
174
To Activate/Deactivate
175
To Set A Desired Speed
175
To Cancel
175
To Turn Off
176
To Resume
176
To Vary The Speed Setting
176
Setting The Following Distance In ACC
177
Overtake Aid
178
ACC Operation At A Stop (Automatic Transmission Only)
178
Display Warnings And Maintenance
178
“Wipe Front Radar Sensor In Front Of Vehicle” Warning
178
“Clean Front Windshield” Warning
179
“Service ACC/FCW” Warning
180
Precautions While Driving With ACC
180
Towing A Trailer
180
Offset Driving
180
Turns And Bends
180
Using ACC On Hills
180
Lane Changing
181
Narrow Vehicles
181
Stationary Objects And Vehicles
181
PARKSENSE REAR PARK ASSIST — IF EQUIPPED
181
ParkSense Sensors
182
ParkSense Warning Display
182
ParkSense Display
182
Enabling And Disabling ParkSense
184
Service The ParkSense Rear Park Assist System
185
Cleaning The ParkSense System
185
ParkSense System Usage Precautions
185
PARKVIEW REAR BACK UP CAMERA
186
TRAILCAM SYSTEM — IF EQUIPPED
187
REFUELING THE VEHICLE — GASOLINE ENGINE (IF EQUIPPED)
189
Fuel Filler Cap
189
Loose Fuel Filler Cap Message
190
REFUELING THE VEHICLE — DIESEL ENGINE (IF EQUIPPED)
190
Avoid Using Contaminated Fuel
190
Bulk Fuel Storage — Diesel Fuel
191
Diesel Exhaust Fluid
191
System Overview
191
Diesel Exhaust Fluid Storage
191
Adding Diesel Exhaust Fluid
192
DEF Fill Procedure
192
VEHICLE LOADING
194
Certification Label
194
Gross Vehicle Weight Rating (GVWR)
194
Payload
194
Gross Axle Weight Rating (GAWR)
194
Tire Size
194
Rim Size
194
Inflation Pressure
194
Curb Weight
194
Loading
194
TRAILER TOWING
195
Common Towing Definitions
195
Gross Vehicle Weight Rating (GVWR)
195
Gross Trailer Weight (GTW)
195
Gross Combination Weight Rating (GCWR)
195
Gross Axle Weight Rating (GAWR)
195
Tongue Weight (TW)
196
Frontal Area
196
Trailer Sway Control (TSC) – If Equipped
196
Weight-Carrying Hitch
196
Weight-Distributing Hitch
196
Trailer Hitch Classification
197
Trailer Towing Weights (Maximum Trailer Weight Ratings)
197
Trailer And Tongue Weight
198
Towing Requirements
198
Towing Requirements — Tires
199
Towing Requirements — Trailer Brakes
199
Towing Requirements — Trailer Lights And Wiring
200
Towing Tips
200
Automatic Transmission — If Equipped
200
AutoStick — If Equipped
201
Cruise Control — If Equipped
201
RECREATIONAL TOWING (BEHIND MOTORHOME)
201
Towing This Vehicle Behind Another Vehicle
201
Recreational Towing — Four-Wheel Drive Models
202
Shifting Into (N) Neutral
202
Shifting Out of (N) Neutral
203
DRIVING TIPS
203
On-Road Driving Tips
203
Off-Road Driving Tips
204
Side Step Removal — If Equipped
204
Bumper End Cap Removal
204
The Basics Of Off-Road Driving
205
When To Use 4WD Low Range
205
Simultaneous Brake And Throttle Operation
205
Driving In Snow, Mud And Sand
205
Snow
205
Mud
206
Sand
206
Crossing Obstacles (Rocks And Other High Points)
206
Using A Spotter
206
Crossing Large Rocks
207
Crossing A Ravine, Gully, Ditch, Washout Or Rut
207
Crossing Logs
207
Getting High-Centered
207
Hill Climbing
208
Before Climbing A Steep Hill
208
Driving Up Hill
208
Driving Downhill
208
Driving Across An Incline
209
If You Stall Or Begin To Lose Headway
209
Driving Through Water
209
Before You Cross Any Type Of Water
210
Crossing Puddles, Pools, Flooded Areas Or Other Standing Water
210
Crossing Ditches, Streams, Shallow Rivers Or Other Flowing Water
210
After Driving Off-Road
210
MULTIMEDIA
212
UCONNECT SYSTEMS
212
CYBERSECURITY
212
UCONNECT SETTINGS
213
Customer Programmable Features
213
Language
214
Display
214
Units
215
Voice
216
Clock
216
Camera
217
Safety & Driving Assistance
218
Mirrors & Wipers
219
Lights
220
Doors & Locks
220
Seats & Comfort/Auto-On Comfort Systems
222
AUX Switches — If Equipped
222
Key Off Options/Engine Off Options
223
Audio
223
Phone/Bluetooth®
224
SiriusXM® Setup — If Equipped
225
Reset/Restore Settings
226
System Information
226
UCONNECT INTRODUCTION
227
System Overview
227
Drag & Drop Menu Bar
229
Safety And General Information
229
Safety Guidelines
229
Safe Usage Of The Uconnect System
230
Care And Maintenance
230
UCONNECT MODES
230
Steering Wheel Audio Controls
230
Radio Operation
231
Media Mode
231
Radio Mode
231
Radio Controls
231
Radio Voice Commands
232
SiriusXM® Satellite Radio Mode — If Equipped
233
Replay
234
Favorites
235
Browse In SXM
236
Setting Presets
237
Preset Features — If Equipped
238
Audio Settings
238
Media Mode
240
Operating Media Mode
240
Audio Source Selection
240
Types of Media Modes
240
USB Mode
240
Bluetooth® Mode
241
AUX Mode
241
Media Voice Commands
243
Phone Mode
243
Overview
243
Phone Operation
244
Operation
244
Natural Speech
245
Help Command
245
Cancel Command
245
Pair (Link) Uconnect Phone To A Mobile Phone
245
Pair A Bluetooth® Streaming Audio Device
247
Connecting To A Particular Mobile Phone Or Audio Device After Pairing
247
Disconnecting or Deleting A Phone Or Audio Device
247
Making A Phone Or Audio Device A Favorite
248
Phonebook Download (Automatic Phonebook Transfer From Mobile Phone) — If Equipped
248
Managing Your Favorites — If Equipped
249
To Remove A Favorite — If Equipped
249
Phone Call Features
249
Call Controls
249
Key Pad Number Entry
250
Recent Calls — If Equipped
250
Answer Or Ignore An Incoming Call — No Call Currently In Progress
250
Answer Or Ignore An Incoming Call — Call Currently In Progress
251
Do Not Disturb
251
Place/Retrieve A Call From Hold
251
Making A Second Call While Current Call Is In Progress
251
Toggling Between Calls
251
Join Calls
252
Call Termination
252
Redial
252
Call Continuation
252
Advanced Phone Connectivity
252
Transfer Call To And From Mobile Phone
252
Things You Should Know About Uconnect Phone
252
Voice Command
252
Bluetooth® Communication Link
254
Power-Up
254
ANDROID AUTO™ & APPLE CARPLAY® — IF EQUIPPED
254
Android Auto™
254
Maps
255
Music
255
Communication
256
Apps
256
Android Auto™ Voice Command
256
Apple CarPlay®
256
Phone
257
Music
257
Messages
258
Maps
258
Apps
258
Apple CarPlay® Voice Command
258
Android Auto™ And Apple CarPlay® Tips And Tricks
258
CONNECTED VEHICLE SERVICES — IF EQUIPPED
259
Is My Vehicle Connected?
259
Introduction To Connected Vehicle Services
259
SiriusXM Guardian™ Contact Information And Business Hours
259
What Is SiriusXM Guardian™?
260
Activation
260
Included Trial Period For New Vehicles
261
Features And Packages
261
Getting Started With Connected Vehicle Services
261
Download The Uconnect App
261
Using Your Owner’s Site
262
Using SiriusXM Guardian™
263
SOS Call
263
Remote Commands
265
Remote Door Lock/Unlock
267
Remote Vehicle Start
267
Remote Horn & Lights
268
Roadside Assistance Call
268
Send & Go
269
Vehicle Finder
271
4G Wi-Fi Hotspot — If Equipped
272
Stolen Vehicle Assistance
273
Monthly Vehicle Health Report
274
Vehicle Health Alert
274
In-Vehicle Notifications — If Equipped
274
Amazon Alexa® Skill — If Equipped
275
Google Assistant — If Equipped
275
Family Drive Alerts — If Equipped
276
SmartWatch Integration — If Equipped
276
Uconnect Market
277
Manage My SiriusXM Guardian™ Account
277
CONNECTED SERVICES FAQs
277
Connected Services SOS FAQs
277
Connected Services Remote Door Lock/Unlock FAQs
278
Connected Services Roadside Assistance FAQs
278
Connected Services Send & Go FAQs
278
Connected Services Vehicle Finder FAQs
278
Connected Services Stolen Vehicle Assistance FAQs
279
Connected Services Remote Vehicle Start FAQs
279
Connected Services Remote Horn & Lights FAQs
280
Connected Services Account FAQs
280
Data Collection & Privacy
282
RADIO OPERATION AND MOBILE PHONES
283
Regulatory And Safety Information
283
OFF-ROAD PAGES — IF EQUIPPED
283
Off-Road Pages Status Bar
284
Drivetrain
284
Accessory Gauge
285
Pitch & Roll
285
TrailCam — If Equipped
285
SAFETY
286
SAFETY FEATURES
286
Anti-Lock Brake System (ABS)
286
Anti-Lock Brake System (ABS) Warning Light
286
Electronic Brake Control (EBC) System
287
Brake System Warning Light
287
Brake Assist System (BAS)
287
Electronic Brake Force Distribution (EBD)
287
Electronic Roll Mitigation (ERM)
287
Electronic Stability Control (ESC)
288
ESC Operating Modes
289
ESC Activation/Malfunction Indicator Light And ESC OFF Indicator Light
290
Hill Descent Control (HDC) — If Equipped
290
Hill Start Assist (HSA)
292
Disabling And Enabling HSA
293
Towing With HSA
293
Rain Brake Support (RBS)
293
Ready Alert Braking (RAB)
293
Selec-Speed Control (SSC) — If Equipped
293
Traction Control System (TCS)
295
Trailer Sway Control (TSC)
295
AUXILIARY DRIVING SYSTEMS
295
Blind Spot Monitoring (BSM) — If Equipped
295
Rear Cross Path (RCP)
298
Blind Spot Modes
299
Forward Collision Warning (FCW) With Mitigation — If Equipped
299
Turning FCW On or Off
300
FCW Braking Status And Sensitivity
301
FCW Limited Warning
301
Service FCW Warning
301
Tire Pressure Monitoring System (TPMS)
302
System Operation
303
Tire Pressure Monitoring Low Pressure Warnings
304
Service TPMS Warning
304
TPMS Deactivation — If Equipped
305
Tire Fill Alert
305
Selectable Tire Fill Alert (STFA)— If Equipped
306
OCCUPANT RESTRAINT SYSTEMS
307
Occupant Restraint Systems Features
307
Important Safety Precautions
307
Seat Belt Systems
307
Enhanced Seat Belt Use Reminder System (BeltAlert)
308
Lap/Shoulder Belts
309
Lap/Shoulder Belt Operating Instructions
310
Lap/Shoulder Belt Untwisting Procedure
311
Adjustable Upper Shoulder Belt Anchorage
311
Seat Belt Extender
312
Seat Belts And Pregnant Women
312
Seat Belt Pretensioner
312
Energy Management Feature
313
Switchable Automatic Locking Retractor (ALR)
313
Supplemental Restraint Systems (SRS)
314
Air Bag System Components
314
Air Bag Warning Light
315
Redundant Air Bag Warning Light
315
Front Air Bags
316
Driver And Passenger Front Air Bag Features
316
Front Air Bag Operation
317
Occupant Classification System (OCS) — Front Passenger Seat
318
Knee Impact Bolsters
324
Supplemental Side Air Bags
324
Air Bag System Components
326
If A Deployment Occurs
326
Enhanced Accident Response System
326
Enhanced Accident Response System Reset Procedure
327
Maintaining Your Air Bag System
327
Event Data Recorder (EDR)
328
Child Restraints
328
Summary Of Recommendations For Restraining Children In Vehicles
329
Infant And Child Restraints
330
Older Children And Child Restraints
330
Children Too Large For Booster Seats
331
Recommendations For Attaching Child Restraints
332
Lower Anchors And Tethers For CHildren (LATCH) Restraint System
332
LATCH Positions For Installing Child Restraints In This Vehicle
333
Locating The LATCH Anchorages
335
Locating The Upper Tether Anchorages
336
Center Seat LATCH
337
To Install A LATCH-Compatible Child Restraint
337
How To Stow An Unused Switchable-ALR (ALR) Seat Belt:
337
Installing Child Restraints Using The Vehicle Seat Belt
338
Lap/Shoulder Belt Systems For Installing Child Restraints In This Vehicle
338
Installing A Child Restraint With A Switchable Automatic Locking Retractor (ALR):
340
Installing Child Restraints Using The Top Tether Anchorage
341
Center Tether Attachment — Four-Door Without Center Armrest
342
SAFETY TIPS
343
Transporting Passengers
343
Transporting Pets
343
Safety Checks You Should Make Inside The Vehicle
343
Seat Belts
343
Air Bag Warning Light
343
Defroster
343
Floor Mat Safety Information
343
Periodic Safety Checks You Should Make Outside The Vehicle
344
Tires
344
Lights
345
Door Latches
345
Fluid Leaks
345
Exhaust Gas
345
Carbon Monoxide Warnings
345
IN CASE OF EMERGENCY
346
HAZARD WARNING FLASHERS
346
ASSIST AND SOS SYSTEM — IF EQUIPPED
346
JACKING AND TIRE CHANGING
350
Preparations For Jacking
350
Jack Location
350
Spare Tire Removal
351
Jacking Instructions
351
JUMP STARTING
354
Preparations For Jump Start
354
Jump Starting Procedure
356
IF YOUR ENGINE OVERHEATS
357
MANUAL PARK RELEASE
358
FREEING A STUCK VEHICLE
359
TOWING A DISABLED VEHICLE
359
Four Wheel Drive Models
360
Without The Key Fob
361
Emergency Tow Hooks — If Equipped
361
ENHANCED ACCIDENT RESPONSE SYSTEM (EARS)
361
EVENT DATA RECORDER (EDR)
361
SERVICING AND MAINTENANCE
362
SCHEDULED SERVICING — GASOLINE ENGINE
362
Maintenance Plan
363
SCHEDULED SERVICING — DIESEL ENGINE
366
Maintenance Plan — Diesel Fuel Up To B5 Biodiesel
367
Additional Maintenance — B6 To B20 Biodiesel
369
ENGINE COMPARTMENT
370
2.0L Gasoline Engine
370
3.6L Gasoline Engine
371
3.0L Diesel Engine
372
Checking Oil Level
373
Adding Washer Fluid
373
Maintenance-Free Battery
373
Pressure Washing
374
VEHICLE MAINTENANCE
374
Engine Oil
374
Engine Oil Selection — 2.0L Engine (If Equipped)
374
Engine Oil Selection — 3.6L Engine (If Equipped)
375
Engine Oil Selection — Diesel Engine
375
American Petroleum Institute (API) Engine Oil Identification Symbol
375
Synthetic Engine Oils
375
Materials Added To Engine Oil
375
Disposing Of Used Engine Oil And Oil Filters
375
Engine Oil Filter
375
Engine Air Cleaner Filter
376
Engine Air Cleaner Filter Inspection and Replacement — Gasoline Engine
376
Engine Air Cleaner Filter Inspection and Replacement — Diesel Engine
377
Draining Fuel/Water Separator Filter — Diesel Engine
377
Fuel Filter Replacement — Diesel Engine
378
Priming If The Engine Has Run Out Of Fuel — Diesel Engine
380
Intervention Regeneration Strategy — Message Process Flow
380
Diesel Exhaust Fluid
381
Accessory Drive Belt Inspection
381
Air Conditioner Maintenance
382
Refrigerant Recovery And Recycling — R–1234yf
382
Cabin Air Filter
383
Body Lubrication
384
Windshield Wiper Blades
384
Wiper Blade Removal/Installation
385
Rear Wiper Blade Removal/Installation
385
Exhaust System
386
Cooling System
387
Coolant Checks
387
Cooling System — Drain, Flush And Refill
388
Selection Of Coolant
388
Adding Coolant
388
Cooling System Pressure Cap
389
Disposal Of Used Coolant
389
Coolant Level
390
Engine Coolant Level — 2.0L
390
Cooling System Notes
390
Brake System
391
Fluid Level Check — Brake Master Cylinder
391
Front/Rear Axle Fluid
392
Fluid Level Check
392
Adding Fluid
392
Selection Of Lubricant
392
Transfer Case
392
Fluid Level Check
392
Drain And Refill
392
Selection Of Lubricant
392
Manual Transmission — If Equipped
392
Fluid Level Check
392
Frequency Of Fluid Change
392
Selection Of Lubricant
393
Automatic Transmission — If Equipped
393
Special Additives
393
Fluid Level Check
393
Fluid And Filter Changes
393
Selection Of Lubricant
393
Fuses
394
General Information
394
Power Distribution Center (PDC)
394
Bulb Replacement
402
Replacement Bulbs
402
Bulb Replacement
403
Halogen Headlamps
403
Front Park/Turn Signal
404
LED Front Side Marker
404
Halogen Front Fog Lamp
404
Rear Tail, Stop, Turn Signal, And Backup Lamp
405
Center High Mounted Stop Lamp (CHMSL)
405
License Plate Lamps
406
TIRES
406
Tire Safety Information
406
Tire Markings
406
Tire Sizing Chart
407
Tire Identification Number (TIN)
408
Tire Terminology And Definitions
409
Tire Loading And Tire Pressure
410
Loading
410
Tires — General Information
412
Tire Pressure
412
Tire Inflation Pressures
413
Tire Pressures For High Speed Operation
414
Radial Ply Tires
414
Run Flat Tires — If Equipped
414
Tire Spinning
415
Tread Wear Indicators
415
Life Of Tire
415
Replacement Tires
416
Tire Types
417
All Season Tires — If Equipped
417
Summer Or Three Season Tires — If Equipped
417
Snow Tires
417
Spare Tires — If Equipped
417
Spare Tire Matching Original Equipped Tire And Wheel — If Equipped
418
Compact Spare Tire — If Equipped
418
Full Size Spare — If Equipped
418
Limited Use Spare — If Equipped
418
Wheel And Wheel Trim Care
419
Snow Traction Devices
420
Tire Rotation Recommendations
421
DEPARTMENT OF TRANSPORTATION UNIFORM TIRE QUALITY GRADES
422
Treadwear
422
Traction Grades
422
Temperature Grades
422
STORING THE VEHICLE
423
BODYWORK
424
Protection From Atmospheric Agents
424
What Causes Corrosion?
424
Body And Underbody Maintenance
424
Cleaning Headlights
424
Preserving The Bodywork
424
Washing
424
Special Care
424
Appearance Care For Fabric Top Models
425
Care Of Fabric Top Windows
426
INTERIORS
426
Carpet Safety Information
426
Carpet Removal
427
Seats And Fabric Parts
431
Seat Belt Maintenance
431
Plastic And Coated Parts
432
Cleaning Plastic Instrument Cluster Lenses
432
Leather Surfaces
432
Glass Surfaces
432
TECHNICAL SPECIFICATIONS
433
VEHICLE IDENTIFICATION NUMBER
433
BRAKE SYSTEM
433
WHEEL AND TIRE TORQUE SPECIFICATIONS
433
Torque Specifications
433
FUEL REQUIREMENTS — GASOLINE ENGINE
434
2.0L Engine
434
3.6L Engine
434
Reformulated Gasoline
435
Materials Added To Fuel
435
Gasoline/Oxygenate Blends
435
Do Not Use E-85 In Non-Flex Fuel Vehicles
435
CNG And LP Fuel System Modifications
436
MMT In Gasoline
436
Fuel System Cautions
436
FUEL REQUIREMENTS – DIESEL ENGINE
436
Diesel Fuel Specifications
437
Biodiesel Fuel Requirements
437
Biodiesel Fuel Properties — Low Ambient Temperatures
438
Fuel Quality — Must Comply With ASTM Standards
438
Fuel Oxidation Stability — Must Use Fuel Within Six Months Of Manufacture
438
Fuel Water Separation — Must Use Mopar Approved Fuel Filter Elements
438
Fuel In Oil Dilution — Must Adhere To Required Oil Change Interval
438
Biodiesel Fuel Filter Change Intervals
439
FLUID CAPACITIES
439
ENGINE FLUIDS AND LUBRICANTS
440
CHASSIS FLUIDS AND LUBRICANTS
444
CUSTOMER ASSISTANCE
445
SUGGESTIONS FOR OBTAINING SERVICE FOR YOUR VEHICLE
445
Prepare For The Appointment
445
Prepare A List
445
Be Reasonable With Requests
445
IF YOU NEED ASSISTANCE
445
FCA US LLC Customer Center
445
FCA Canada Inc. Customer Center
445
Mexico
445
Puerto Rico And US Virgin Islands
446
Customer Assistance For The Hearing Or Speech Impaired (TDD/TTY)
446
Service Contract
446
WARRANTY INFORMATION
447
MOPAR® PARTS
447
REPORTING SAFETY DEFECTS
447
In The 50 United States And Washington, D.C.
447
In Canada
447
PUBLICATION ORDER FORMS
447
General Information
448
INDEX
449
2021 Jeep Wrangler Overview
Introduction
The 2021 Jeep Wrangler represents the quintessential blend of ruggedness and modernity, designed for adventure enthusiasts and urban drivers alike. Iconic styling complements advanced capabilities, making it the definitive choice for those who demand performance both on and off the beaten path. With a robust lineage that spans decades, the Wrangler continues to innovate while staying true to its adventurous roots.
Powertrains
The 2021 Wrangler offers a range of powerful and efficient powertrains to suit various driving preferences. The base model comes equipped with a 3.6-liter V6 engine, producing 285 horsepower and 260 lb-ft of torque, paired with either a six-speed manual or eight-speed automatic transmission. For those seeking greater efficiency, the available 2.0-liter turbocharged inline-four engine delivers 270 horsepower with improved fuel economy. Additionally, an eco-friendly plug-in hybrid variant, known as the 4xe, combines a 2.0-liter turbo engine with an electric motor, generating 375 horsepower while minimizing emissions.
Trims
The Wrangler comes in several trims, allowing owners to choose the perfect fit for their lifestyle. The base Sport trim offers essential features for adventurous outings, while the Sport S adds modern conveniences. For a more rugged experience, the Rubicon trim is equipped with off-road enhancements like larger tires and locking differentials. The luxurious Sahara trim emphasizes comfort, offering refined interiors and advanced technology, ensuring every journey is as enjoyable as it is thrilling.
Features
With a plethora of features, the 2021 Wrangler caters to all driver needs. Advanced technology includes an intuitive Uconnect infotainment system featuring a touchscreen, smartphone integration, and available navigation. Safety features such as blind-spot monitoring and adaptive cruise control enhance peace of mind on the road. Additionally, removable doors and a fold-down windshield maintain the model's open-air driving experience.
Owner’s Manual
The 2021 Jeep Wrangler's owner's manual is an indispensable resource for new and seasoned drivers. It contains comprehensive instructions on vehicle operation, maintenance guidelines, troubleshooting tips, and essential safety information. The manual ensures that owners can make the most of their Wrangler's capabilities, empowering them to explore new terrains with confidence and expertise.
User manual download
The Jeep Wrangler owner manual for the 2021 model year is to be found in PDF downloadable format on this page. The owner manual for the model year 2021 is free and in English, but the repair manuals are usually not easy to get and may cost more.
Posted by, John Mana
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