Jeep Gladiator 2021 - Cold Weather Precautions

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146 STARTING AND OPERATING

COLD WEATHER PRECAUTIONS

Operation in ambient temperature below 32°F (0°C) may require special considerations. The following charts suggest these options:

Fuel Operating Range

NOTE:

Use “Ultra Low Sulfur Diesel Fuels (ULSD)” ON

LY.

Fuel Operating Range Chart

*Number 1 ULSD Fuel should only be used where extended arctic conditions 0°F (-18°C) exist”.

Main Page

Table of Contents3
Introduction11
Symbols Key12
Rollover Warning12
Campers13
Vehicle Modifications/Alterations13
Symbol Glossary13
Getting to Know Your Vehicle18
Keys18
- Key Fob18
Sentry Key21
Ignition Switch22
- Keyless Enter-N-Go - Ignition22
Remote Start - if Equipped (Gasoline)23
- How to Use Remote Start24
- To Exit Remote Start Mode24
- Remote Start Front Defrost Activation - if25
- Equipped25
- Remote Start Comfort Systems - if25
- Remote Start Cancel Message26
Remote Start - if Equipped (Diesel)26
- How to Use Remote Start26
Vehicle Security System - if Equipped27
- To Arm the System27
- To Disarm the System27
- Rearming of the System28
Doors28
- Manual Door Locks28
- Power Door Locks - if Equipped29
- Keyless Enter-N-Go - Passive Entry29
- Equipped)29
- Automatic Door Locks - if Equipped31
- Child-Protection Door Lock System - Rear Doors31
- Front Door Removal32
- Rear Door Removal35
Steering Wheel37
- Tilt/Telescoping Steering Column37
- Heated Steering Wheel - if Equipped37
Seats38
- Manual Adjustment Front Seats38
- 60/40 Split Folding Rear Seat39
- Rear Seat Stadium Position41
- Heated Seats - if Equipped41
- Rear Seat Armrest - if Equipped42
- Head Restraints42
Uconnect Voice Recognition44
- Introducing Voice Recognition44
- Basic Voice Commands45
- Get Started45
- Additional Information45
- Mirrors46
- Inside Rearview Mirror46
- Illuminated Vanity Mirrors46
- Outside Mirrors46
- Heated Mirrors - if Equipped47
- Power Mirrors - if Equipped47
Universal Garage Door Opener47
(Homelink®)47
- Before You Begin Programming48
- Homelink48
- Erasing All the Home Link Channels48
- Identifying Whether You Have a Rolling48
- Code or Non-Rolling Code Device48
- Programming Homelink® to a Garage Door Opener49
- Programming Homelink® to a49
- Miscellaneous Device50
- Button50
- Canadian/Gate Operator Programming50
- Reprogramming a Single Homelink51
Exterior Lights51
- Headlight Switch51
- Daytime Running Lights (Drls) - if52
- Equipped52
- High/Low Beam Switch52
- Automatic High Beam Headlamp52
- Control - if Equipped52
- Flash-To-Pass52
- Automatic Headlights - if Equipped53
- Lights-On Reminder53
- Front Fog Lights - if Equipped53
- Turn Signals53
- Lane Change Assist - if Equipped53
- Bed Lights - if Equipped53
- Interior Lights54
- Interior Courtesy Lights54
- Dimmer Controls54
Windshield Wipers and Washers54
- Windshield Wiper Operation55
- Climate Controls56
- Automatic Climate Control Descriptions56
- And Functions56
- Manual Climate Control Descriptions and Functions59
- Automatic Temperature Control (ATC) - if61
- Equipped62
- Climate Voice Commands62
- Operating Tips62
Interior Storage and Equipment63
- Storage63
- AUX/USB Control66
- Jeep® Wireless Speaker - if Equipped68
- Power Outlets73
- Power Inverters - if Equipped74
- Auxiliary Switches - if Equipped75
Power Windows - if Equipped77
- Auto-Down Feature78
- Manual Sliding Rear Window - if78
- Equipped78
- Window Lockout Switch78
- Wind Buffeting79
- Gladiator Tops79
- Provided Tools79
- Lowering the Soft Top79
- Raising the Soft Top86
- Removing the Soft Top89
- Installing the Soft Top91
- Hard Top Front Panel(S) Removal93
- Hard Top Front Panel(S) Installation96
- Removing the Hard Top96
- Installing the Hard Top98
Top99
- Door Frame Removal99
- Door Frame Installation100
Folding Windshield101
- Lowering the Windshield102
- Raising the Windshield104
Hood104
- Opening the Hood104
- Closing the Hood105
Tailgate105
- Opening105
- Three-Position Tailgate105
- Closing107
Bed Rail Tie down System - if107
Equipped107
Tonneau Cover - if Equipped108
- Tonneau Cover Installation108
- Tonneau Cover Removal110
Roof Luggage Rack - if Equipped111
Getting to Know Your Instrument Panel112
Instrument Cluster112
- Instrument Cluster Descriptions116
Instrument Cluster Display117
- Instrument Cluster Display Location and Controls117
- Oil Life Reset - if Equipped118
- Off Road+ Display - if Equipped118
- Items119
- Battery Saver On, Battery Saver Mode123
- Actions (if Equipped)123
- Diesel Displays124
- Diesel Particulate Filter (DPF)124
- Messages124
- Fuel System Messages126
Warning Lights and Messages128
- Red Warning Lights128
- Yellow Warning Lights131
- Yellow Indicator Lights134
- Green Indicator Lights136
- White Indicator Lights137
- Blue Indicator Lights138
Onboard Diagnostic System - Obd II138
- Onboard Diagnostic System139
- (OBD II) Cybersecurity139
Programs139
Starting the Engine - Gasoline Engine (if Equipped)141
- Manual Transmission - if Equipped141
- Automatic Transmission - if Equipped141
- Normal Starting142
- Autopark142
- Extreme Cold Weather (below -22°F or −30°C)144
- If Engine Fails to Start144
- After Starting145
Starting and Operating141
Starting the Engine - Diesel Engine145
Equipped)145
- Automatic Transmission146
- Extreme Cold Weather146
- Normal Starting146
- Starting Fluids147
Normal Operation - Diesel Engine147
- Cold Weather Precautions148
- Engine Idling149
- Stopping the Engine149
- Cooling System Tips - Automatic Transmission150
- Engine Block Heater - if Equipped151
Engine Break-In Recommendations151
Gasoline Engine (if Equipped)151
Engine Break-In Recommendations152
Diesel Engine (if Equipped)152
Parking Brake152
Manual Transmission - if Equipped153
- Shifting154
- Downshifting155
Automatic Transmission - if Equipped156
- Ignition Park Interlock157
- Brake/Transmission Shift Interlock System158
- Eight-Speed Automatic Transmission158
- Gear Ranges159
Four-Wheel Drive Operation163
- Four-Position Transfer Case - if Equipped163
- Five-Position Transfer Case - if Equipped165
- Trac-Lok Rear Axle - if Equipped168
- Axle Lock (Tru-Lok) Front and Rear - if Equipped168
- Axle Lock (Tru-Lok) Rear Only - if Equipped168
- Electronic Sway Bar Disconnect - if Equipped169
- Off Road+ - if Equipped170
Electro-Hydraulic Power Steering171
Stop/Start System - Automatic172
Transmission (if Equipped)172
- Autostop Mode172
- Possible Reasons the Engine Does Not Autostop173
- To Start the Engine While in Autostop Mode173
- To Manually Turn off the Stop/Start System174
- To Manually Turn on the Stop/Start System174
- System Malfunction174
Stop/Start System - Manual174
Transmission (if Equipped)174
- Autostop Mode175
- Possible Reasons the Engine Does Not Autostop175
- To Start the Engine While in Autostop Mode176
- To Manually Turn off the Stop/Start System176
- To Manually Turn on the Stop/Start System177
- System Malfunction177
Cruise Control Systems - if Equipped177
- Cruise Control - if Equipped177
- Adaptive Cruise Control (ACC) - if Equipped179
Parksense Front/Rear Park Assist189
System - if Equipped189
- Parksense Sensors189
- Parksense Warning Display190
- Parksense Display190
- Enabling and Disabling Parksense193
- Service the Parksense Park Assist193
- System193
- Cleaning the Parksense System194
- Parksense System Usage Precautions194
Parkview Rear Back up Camera195
Trailcam System - if Equipped197
Refueling the Vehicle - Gasoline198
Engine (if Equipped)198
- Fuel Filler Cap198
- Loose Fuel Filler Cap Message199
Refueling the Vehicle - Diesel Engine (if Equipped)199
- Avoid Using Contaminated Fuel200
- Bulk Fuel Storage - Diesel Fuel200
- Diesel Exhaust Fluid200
Vehicle Loading203
- Certification Label203
Trailer Towing204
- Common Towing Definitions204
- Trailer Hitch Classification207
- Trailer Towing Weights (Maximum Trailer Weight Ratings)207
- Trailer and Tongue Weight210
- Towing Requirements211
- Towing Tips213
Recreational Towing (Behind Motorhome)214
- Recreational Towing - Four-Wheel Drive Models215
- Vehicle217
Driving Tips217
- On-Road Driving Tips217
- Off-Road Driving Tips217
Multimedia225
Uconnect Systems225
Cybersecurity225
Uconnect Settings226
- Customer Programmable Features226
Uconnect Introduction240
- System Overview240
- Drag & Drop Menu Bar242
- Safety and General Information242
Uconnect Modes243
- Steering Wheel Audio Controls243
- Radio Mode244
- Media Mode254
- Phone Mode257
Android Auto™ & Apple Carplay® - if269
Equipped269
- Android Auto269
- Apple Carplay272
- Android Auto™ and Apple Carplay® Tips and Tricks274
Connected Vehicle Services - if Equipped274
- Is My Vehicle Connected274
- Introduction to Connected Vehicle Services274
- Services276
- Using Siriusxm Guardian279
- Manage M y Sirius XM Guardian Account294
CONNECTED SERVICES Faqs294
- Connected Services SOS Faqs294
- Connected Services Remote Door Lock/Unlock Faqs294
- Faqs295
- Connected Services Send & Go Faqs295
- Connected Services Vehicle Finder Faqs295
- Connected Services Stolen Vehicle Assistance Faqs296
- Connected Services Remote Vehicle Start Faqs296
- Lights Faqs297
- Connected Services Account Faqs297
- Data Collection & Privacy299
Radio Operation and Mobile Phones299
- Regulatory and Safety Information299
Off-Road Pages - if Equipped300
- Off-Road Pages Status Bar300
- Drivetrain301
- Accessory Gauge301
- Pitch & Roll302
Safety303
Safety Features303
- Anti-Lock Brake System (ABS)303
- Electronic Brake Control (EBC) System304
Auxiliary Driving Systems311
- Equipped311
- Forward Collision Warning (FCW) with Mitigation - if Equipped315
- Tire Pressure Monitoring System (TPMS)318
Occupant Restraint Systems323
- Occupant Restraint Systems Features323
- Important Safety Precautions323
- Seat Belt Systems324
- Supplemental Restraint Systems (SRS)331
- Child Restraints346
Safety Tips358
- Transporting Passengers358
- Transporting Pets359
- Safety Checks You Should Make Inside the Vehicle359
- Periodic Safety Checks You Should Make Outside the Vehicle360
- Exhaust Gas361
- Carbon Monoxide Warnings361
In Case of Emergency362
Hazard Warning Flashers362
Assist and Sos System - if Equipped362
Jacking and Tire Changing366
- Preparations for Jacking366
- Jack Location367
- Spare Tire Removal368
- Jacking Instructions370
- To Stow the Flat or Spare372
- Reinstalling the Jack and Tools374
Jump Starting374
- Preparations for Jump Start375
- Jump Starting Procedure376
Refueling in Emergency - if Equipped377
If Your Engine Overheats378
Manual Park Release379
Freeing a Stuck Vehicle380
Towing a Disabled Vehicle381
- Four-Wheel Drive Models382
- Without the Key Fob383
- Emergency Tow Hooks - if Equipped383
Enhanced Accident Response System (Ears)384
Event Data Recorder (Edr)384
Servicing and Maintenance385
Scheduled Servicing - Gasoline385
Engine385
- Maintenance Plan386
Scheduled Servicing - Diesel Engine390
- Maintenance Plan - Diesel Fuel up to B5 Biodiesel391
- Additional Maintenance - B6 to B20393
- Biodiesel393
Engine Compartment394
- L Engine394
- L Diesel Engine395
- Checking Oil Level396
- Adding Washer Fluid396
- Maintenance-Free Battery396
- Pressure Washing397
- Vehicle Maintenance397
- Engine Oil398
- Engine Oil Filter398
- Engine Air Cleaner Filter398
- Draining Fuel/Water Separator Filter - Diesel Engine400
- Engine401
- Priming if the Engine Has Run out of Fuel - Diesel Engine403
- Message Process Flow403
- Diesel Exhaust Fluid404
- Accessory Drive Belt Inspection404
- Air Conditioner Maintenance405
- Body Lubrication407
- Windshield Wiper Blades407
- Exhaust System408
- Cooling System410
- Brake System413
- Front/Rear Axle Fluid414
- Transfer Case414
- Manual Transmission - if Equipped414
- Automatic Transmission - if Equipped414
- Fuses415
- Bulb Replacement424
Tires428
- Tire Safety Information428
- Tires - General Information434
- Tire Types438
- Spare Tires - if Equipped439
- Wheel and Wheel Trim Care440
- Snow Traction Devices442
- Tire Rotation Recommendations443
Department of Transportation444
Uniform Tire Quality Grades444
- Treadwear444
- Traction Grades444
- Temperature Grades444
Storing the Vehicle445
Bodywork446
- Protection from Atmospheric Agents446
- Body and Underbody Maintenance446
- Preserving the Bodywork446
Interiors449
- Carpet Safety Information449
- Carpet Removal450
- Seats and Fabric Parts451
- Plastic and Coated Parts452
- Leather Surfaces452
- Glass Surfaces452
Technical Specifications453
Vehicle Identification Number (Vin)453
Brake System453
Wheel and Tire Torque Specifications453
- Torque Specifications453
Fuel Requirements - Gasoline Engine454
- L Engine454
- Reformulated Gasoline454
- Materials Added to Fuel454
- Gasoline/Oxygenate Blends455
- Vehicles455
- CNG and LP Fuel System Modifications455
- Methylcyclopentadienyl Manganese455
- Tricarbonyl (MMT) in Gasoline455
- Fuel System Cautions456
Fuel Requirements - Diesel Engine456
- Diesel Fuel Specifications457
- Biodiesel Fuel Requirements457
Fluid Capacities459
Engine Fluids and Lubricants460
Chassis Fluids and Lubricants464
If You Need Assistance465
- FCA US LLC Customer Center466
- FCA Canada Inc. Customer Center466
- Mexico466
- Puerto Rico and U.S. Virgin Islands466
- Customer Assistance for the Hearing or Speech Impaired (TDD/TTY)466
- Service Contract466
Customer Assistance465
Suggestions for Obtaining Service for Your Vehicle465
- Prepare for the Appointment465
- Preparea List465
- Be Reasonable with Requests465
Warranty Information467
Mopar® Parts467
Reporting Safety Defects467
- Washington, D.C467
- In Canada467
Publication Order Forms468
General Information468

Jeep Gladiator 2021 - Cold Weather Precautions

Table of Contents

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