2020 Ram 1500 AC system

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INTRODUCTION
INTRODUCTION .............................................................. 13
 HOW TO USE THIS MANUAL ....................................... 14
Essential Information .................................................... 14
Symbols ........................................................................... 14
 WARNINGS AND CAUTIONS ....................................... 14
 VAN CONVERSIONS/CAMPERS .................................. 14
 VEHICLE MODIFICATIONS/ALTERATIONS............. 15
GETTING TO KNOW YOUR VEHICLE
VEHICLE USER GUIDE — IF EQUIPPED...................... 16
 KEYS ..................................................................................... 18
Key Fob ........................................................................... 18
 IGNITION SWITCH ........................................................... 25
Keyless Push Button Ignition....................................... 25
 REMOTE START — IF EQUIPPED .................................. 28
How To Use Remote Start ............................................ 28
Remote Start Abort Message........................................ 28
To Enter Remote Start Mode........................................ 29
To Exit Remote Start Mode Without Driving The
Vehicle ............................................................................. 29
To Exit Remote Start Mode And Drive The
Vehicle ............................................................................. 29
Remote Start Comfort Systems — If Equipped .........29
General Information ......................................................30
 SENTRY KEY .......................................................................31
Key Programming ........................................................31
Replacement Keys..........................................................32
General Information ......................................................32
 VEHICLE SECURITY ALARM .........................................33
To Arm The System .......................................................33
To Disarm The System ..................................................34
Rearming Of The System ..............................................34
Security System Manual Override ..............................34
 DOORS .................................................................................35
Manual Door Locks .......................................................35
Power Door Locks — If Equipped .............................36
Power Side Steps — If Equipped.................................37
Keyless Enter-N-Go — Passive Entry ........................37
Automatic Door Locks — If Equipped .......................41
Child-Protection Door Lock ........................................42
 SEATS ...................................................................................42
Manual Front Seat Adjustment....................................43
Manual Rear Seat Adjustment .....................................45
Power Front Seat Adjustment — If Equipped ..........46
Driver Memory Seats — If Equipped .........................47
Heated Seats — If Equipped ........................................51
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Climate Control Functions ........................................... 90
Automatic Temperature Control (ATC) — If
Equipped......................................................................... 91
Operating Tips .............................................................. 92
 WINDOWS .......................................................................... 94
Power Windows ........................................................... 94
Wind Buffeting .............................................................. 97
 POWER SUNROOF — IF EQUIPPED ............................. 98
Single Pane Power Sunroof — If Equipped ............... 98
Dual Pane Power Sunroof — If Equipped ............... 101
 HOOD ................................................................................ 105
To Open The Hood ..................................................... 105
To Close The Hood...................................................... 106
 TAILGATE ......................................................................... 106
Opening ........................................................................ 106
Closing .......................................................................... 107
Multifunction Tailgate — If Equipped ..................... 107
 GARAGE DOOR OPENER — IF EQUIPPED............... 109
Before You Begin Programming HomeLink® ........ 110
Canadian/Gate Operator Programming ................. 113
Using HomeLink® ...................................................... 114
Security ......................................................................... 114
Troubleshooting Tips .................................................. 115
General Information .................................................... 115 
INTERNAL EQUIPMENT ...............................................116
Storage ...........................................................................116
Cupholders ..................................................................126
Electrical Power Outlets..............................................128
Power Inverter — If Equipped ................................. 131
Wireless Charging Pad — If Equipped ...................134
Overhead Sunglass Storage........................................135
 PICKUP BOX .....................................................................135
 RAMBOX — IF EQUIPPED ............................................136
RamBox Integrated Box Side Storage Bins............... 137
RamBox Safety Warning .............................................139
Bed Divider — If Equipped........................................140
Bed Rail Tie-Down System .........................................144
 SLIDE-IN CAMPERS .......................................................146
Camper Applications ..................................................146
 EASY-OFF TAILGATE ....................................................147
Disconnecting The Rear Camera And Remote
Keyless Entry ................................................................147
Removing The Tailgate ...............................................148
Locking Tailgate........................................................... 150
 TRI-FOLD TONNEAU COVER — IF EQUIPPED ....... 150
Tri-Fold Tonneau Cover Removal.............................150
Tri-Fold Tonneau Cover Installation ........................ 155
Tri-Fold Tonneau Cover Cleaning ............................160
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GETTING TO KNOW YOUR INSTRUMENT
PANEL
BASE / MIDLINE INSTRUMENT CLUSTER .............. 161
Base / Midline Instrument Cluster Descriptions.... 162
 PREMIUM INSTRUMENT CLUSTER ........................... 164
Premium Instrument Cluster Descriptions ............. 164
 INSTRUMENT CLUSTER DISPLAY ............................. 166
Instrument Cluster Display Controls ....................... 166
Oil Life Reset ................................................................ 168
Display Menu Items .................................................... 169
Battery Saver On/Battery Saver Mode Message —
Electrical Load Reduction Actions — If
Equipped....................................................................... 176
 WARNING LIGHTS AND MESSAGES ........................ 178
Red Warning Lights .................................................... 179
Yellow Warning Lights............................................... 183
Yellow Indicator Lights .............................................. 188
Green Indicator Lights ................................................ 192
White Indicator Lights ................................................ 193
Blue Indicator Lights ................................................... 194
 ONBOARD DIAGNOSTIC SYSTEM — OBD II ........... 195
Onboard Diagnostic System (OBD II)
Cybersecurity ............................................................... 195
 EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS....................................................................... 196
SAFETY
SAFETY FEATURES .........................................................198
Anti-Lock Brake System (ABS) ................................. 198
Electronic Brake Control System ..............................199
 AUXILIARY DRIVING SYSTEMS ..................................211
Blind Spot Monitoring (BSM) — If Equipped ........211
Forward Collision Warning (FCW) With Mitigation —
If Equipped ...................................................................222
Tire Pressure Monitoring System (TPMS) ............... 227
 OCCUPANT RESTRAINT SYSTEMS ...........................234
Occupant Restraint Systems Features ......................234
Important Safety Precautions.....................................235
Seat Belt Systems .........................................................236
Supplemental Restraint Systems (SRS).....................245
Child Restraints............................................................ 265
Transporting Pets.........................................................285
 SAFETY TIPS......................................................................285
Transporting Passengers ............................................285
Exhaust Gas .................................................................286
Safety Checks You Should Make Inside The
Vehicle ..........................................................................286
Periodic Safety Checks You Should Make Outside
The Vehicle ...................................................................289
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STARTING AND OPERATING
STARTING THE ENGINE .............................................. 290
Automatic Transmission ............................................ 291
Tip Start Feature ......................................................... 291
Keyless Enter-N-Go — Ignition................................. 291
Normal Starting Using ENGINE START/STOP
Button ............................................................................ 292
Cold Weather Operation (Below –22°F Or
−30°C) ........................................................................... 296
After Starting................................................................ 296
 ENGINE BLOCK HEATER — IF EQUIPPED .............. 296
 ENGINE BREAK-IN RECOMMENDATIONS ............ 297
 PARKING BRAKE ............................................................ 297
Electric Park Brake (EPB) ........................................... 297
 AUTOMATIC TRANSMISSION ................................... 302
Ignition Park Interlock ................................................ 303
Brake/Transmission Shift Interlock System ........... 304
Eight-Speed Automatic Transmission ..................... 304
 FOUR-WHEEL DRIVE OPERATION — IF
 EQUIPPED ........................................................................ 310
Four-Position Electronically Shifted Transfer Case
(Eight Speed Transmission Only) — If
Equipped ...................................................................... 311
Five-Position Electronically Shifted Transfer Case
(Eight Speed Transmission Only) — If
Equipped ...................................................................... 314 
ACTIVE-LEVEL FOUR CORNER AIR SUSPENSION
SYSTEM — IF EQUIPPED ...............................................319
Description.................................................................... 319
Air Suspension Modes ................................................322
Instrument Cluster Display Messages ......................323
Operation ......................................................................323
 ACTIVE-LEVEL FOUR CORNER AIR SUSPENSION
SYSTEM (REBEL MODELS ONLY) — IF
EQUIPPED .........................................................................325
Description.................................................................... 325
Air Suspension Modes ................................................328
Instrument Cluster Display Messages ......................329
Operation ......................................................................329
 AXLE LOCKER SYSTEM — IF EQUIPPED ..................331
 LIMITED-SLIP DIFFERENTIAL — IF EQUIPPED ...... 332
 POWER STEERING ..........................................................333
Electric Power Steering ..............................................333
 FUEL SAVER TECHNOLOGY 5.7L ENGINES ONLY —
IF EQUIPPED .....................................................................333
 STOP/START SYSTEM — IF EQUIPPED .....................334
Automatic Mode ..........................................................334
Possible Reasons The Engine Does Not
Autostop........................................................................334
To Start The Engine While In Autostop Mode ........335
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
To Manually Turn Off The Stop Start System ......... 336
To Manually Turn On The Stop Start System ......... 337
System Malfunction .................................................... 337
 SPEED CONTROL — IF EQUIPPED ............................. 337
To Activate ................................................................... 338
To Set A Desired Speed .............................................. 338
To Vary The Speed Setting ......................................... 338
To Accelerate For Passing ......................................... 340
To Resume Speed ....................................................... 340
To Deactivate ............................................................... 340
 ADAPTIVE CRUISE CONTROL (ACC) — IF
EQUIPPED ......................................................................... 340
Adaptive Cruise Control (ACC) Operation............. 342
Activating Adaptive Cruise Control (ACC) ............ 343
To Activate/Deactivate .............................................. 344
To Set A Desired ACC Speed..................................... 345
To Cancel ...................................................................... 345
To Turn Off................................................................... 346
To Resume .................................................................... 346
To Vary The Speed Setting ......................................... 346
Setting The Following Distance In ACC .................. 348
Overtake Aid ................................................................ 351
ACC Operation At Stop.............................................. 351
Adaptive Cruise Control (ACC) Menu.....................352
Display Warnings And Maintenance .......................353
Precautions While Driving With ACC .....................355
General Information ....................................................358
Normal (Fixed Speed) Cruise Control Mode...........359
 PARKSENSE FRONT AND REAR PARK ASSIST .......361
ParkSense Sensors........................................................363
ParkSense Warning Display.......................................363
ParkSense Display .......................................................363
Enabling And Disabling Front And/Or Rear
ParkSense ......................................................................368
Service The ParkSense Park Assist System ..............368
Cleaning The ParkSense System................................369
ParkSense System Usage Precautions.......................369
 PARKSENSE ACTIVE PARK ASSIST SYSTEM — IF
EQUIPPED .........................................................................371
Enabling And Disabling The ParkSense Active Park
Assist System................................................................372
Parallel Parking Space Assistance Operation/
Display ..........................................................................373
Perpendicular Parking Space Assistance Operation/
Display ..........................................................................381
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LANESENSE — IF EQUIPPED ...................................... 391
LaneSense Operation .................................................. 391
Turning LaneSense On Or Off ................................... 391
LaneSense Warning Message .................................... 392
Changing LaneSense Status ....................................... 395
 PARKVIEW REAR BACK UP CAMERA ...................... 396
 SURROUND VIEW CAMERA SYSTEM — IF
EQUIPPED ......................................................................... 398
 REFUELING THE VEHICLE .......................................... 403
 VEHICLE LOADING ....................................................... 405
Gross Vehicle Weight Rating (GVWR) .................... 405
Payload.......................................................................... 405
Gross Axle Weight Rating (GAWR) ......................... 406
Tire Size......................................................................... 406
Rim Size ........................................................................ 406
Inflation Pressure......................................................... 406
Curb Weight ................................................................. 406
Loading ......................................................................... 406
 TRAILER TOWING .......................................................... 407
Common Towing Definitions .................................... 407
Trailer Hitch Type and Maximum Trailer
Weight ........................................................................... 411
Trailer Towing Weights (Maximum Trailer Weight
Ratings) ......................................................................... 413
Trailer And Tongue Weight .......................................413
Towing Requirements ................................................413
Towing Tips .................................................................420
 SNOWPLOW .................................................................... 421
 RECREATIONAL TOWING (BEHIND MOTORHOME,
ETC.) ...................................................................................422
Towing This Vehicle Behind Another Vehicle ........422
Recreational Towing — Two-Wheel Drive
Models ...........................................................................423
Recreational Towing — Four-Wheel Drive
Models ...........................................................................423
 DRIVING TIPS ...................................................................427
Driving On Slippery Surfaces ...................................427
Driving Through Water .............................................427
Off-Road Driving Tips ................................................429
IN CASE OF EMERGENCY
HAZARD WARNING FLASHERS................................. 431
 ASSIST AND SOS SYSTEM — IF EQUIPPED ..............431
 BULB REPLACEMENT ....................................................436
Replacement Bulbs ......................................................436
Replacing Exterior Bulbs ............................................438
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FUSES.................................................................................. 444
External Power Distribution Center ........................ 445
Internal Power Distribution Center ......................... 449
 JACKING AND TIRE CHANGING .............................. 454
Jack Location ................................................................ 454
Removal Of Jack And Tools ....................................... 455
Removing The Spare Tire ........................................... 458
Preparations For Jacking ............................................ 462
Jacking Instructions ..................................................... 463
To Stow The Flat Or Spare ........................................ 468
Reinstalling The Jack And Tools ............................... 470
 JUMP STARTING ............................................................ 472
Preparations For Jump Start ...................................... 472
Jump Starting Procedure ............................................ 473
 IF YOUR ENGINE OVERHEATS .................................. 475
 MANUAL PARK RELEASE ............................................ 476
 FREEING A STUCK VEHICLE ...................................... 477
 TOWING A DISABLED VEHICLE ................................ 478
Two-Wheel Drive Models .......................................... 480
Four-Wheel Drive Models.......................................... 480
Emergency Tow Hooks — If Equipped ................... 481
 ENHANCED ACCIDENT RESPONSE SYSTEM
(EARS) ................................................................................ 481
 EVENT DATA RECORDER (EDR) ................................ 481
SERVICING AND MAINTENANCE
SCHEDULED SERVICING .............................................482
Maintenance Plan ........................................................483
Heavy Duty Use Of The Vehicle ...............................486
 ENGINE COMPARTMENT ............................................487
3.6L Engine With Stop/Start .....................................487
5.7L Engine Without Stop/Start ................................488
5.7L Engine With Stop/Start ......................................489
Checking Oil Level ......................................................490
Adding Washer Fluid..................................................490
Maintenance-Free Battery .......................................... 491
Pressure Washing ........................................................491
 DEALER SERVICE ........................................................... 492
Engine Oil — Gas Engine .......................................... 492
Engine Oil Filter ........................................................... 494
Engine Air Cleaner Filter ............................................494
Air Conditioner Maintenance ....................................496
Accessory Drive Belt Inspection ................................501
Body Lubrication .........................................................502
Windshield Wiper Blades ...........................................503
Exhaust System ........................................................... 505
Cooling System ........................................................... 506
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Brake System ............................................................... 512
Automatic Transmission ........................................... 513
Rear Axle And 4x4 Front Driving Axle Fluid
Level ............................................................................. 515
Transfer Case ............................................................... 515
 HOISTING ......................................................................... 516
 TIRES................................................................................... 516
Tire Safety Information............................................... 516
Tires — General Information .................................... 525
Tire Types ..................................................................... 531
Spare Tires — If Equipped ......................................... 532
Wheel And Wheel Trim Care .................................... 535
Tire Chains (Traction Devices) .................................. 536
Tire Rotation Recommendations .............................. 537
 DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES ............................................... 538
Treadwear..................................................................... 538
Traction Grades ........................................................... 538
Temperature Grades ................................................... 538
 STORING THE VEHICLE................................................ 539
 BODYWORK...................................................................... 539
Protection From Atmospheric Agents ...................... 539
Body And Underbody Maintenance......................... 540
Preserving The Bodywork.......................................... 540 
INTERIORS .......................................................................543
Seats And Fabric Parts ................................................543
Plastic And Coated Parts ............................................544
Leather Parts.................................................................545
Glass Surfaces ..............................................................545
TECHNICAL SPECIFICATIONS
IDENTIFICATION DATA ...............................................546
Vehicle Identification Number ................................. 546
 BRAKE SYSTEM ...............................................................546
 WHEEL AND TIRE TORQUE SPECIFICATIONS ....... 546
Torque Specifications ..................................................547
 FUEL REQUIREMENTS ..................................................548
3.6L Engine ..................................................................548
5.7L Engine ...................................................................549
Reformulated Gasoline ...............................................549
Materials Added To Fuel ............................................550
Gasoline/Oxygenate Blends ......................................550
Do Not Use E-85 In Non-Flex Fuel Vehicles ............551
CNG And LP Fuel System Modifications ................ 551
MMT In Gasoline .........................................................551
Fuel System Cautions ..................................................551
Carbon Monoxide Warnings......................................552
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