trailer FORD SUPER DUTY 2021 Owners Manual

Severe Climates.................................................
365
Engine Coolant Check - 6.7L Diesel............................................................368
Adding Coolant.................................................. 368
Coolant Change................................................... 371
Engine and Secondary Cooling System Refill Procedure............................................. 370
Engine-driven Cooling Fan.............................. 371
Recycled Coolant............................................... 370
Severe Climates................................................... 371
Engine Coolant Check - 7.3L.....................371 Adding Coolant................................................... 372
Coolant Change.................................................. 374
Engine Coolant Temperature Management.................................................. 375
Engine-driven Cooling Fan (Fan Clutch).............................................................. 374
Fail-Safe Cooling................................................ 374
Recycled Coolant............................................... 373
Severe Climates.................................................. 374
Engine Emission Control...........................194
Engine Idle Shutdown.................................182
Engine Immobilizer See: Passive Anti-Theft System..................... 76
Engine Oil Capacity and Specification - 6.2L................................................................449
Alternative Engine Oil for Extremely Cold Climates ........................................................... 450
Engine Oil Capacity and Specification - 6.7L Diesel...................................................450
Alternative Engine Oil for Biodiesel Fuel Blends (B20 Max)........................................ 452
Alternative Engine Oil for Extremely Cold Climates........................................................... 452
Alternative Engine Oil for Severe Duty Service.............................................................. 453
Engine Oil............................................................. 450
Engine Oil Capacity and Specification - 7.3L.................................................................453
Alternative Engine Oil for Extremely Cold Climates........................................................... 454
Engine Oil Check - 6.2L..............................352 Adding Engine Oil.............................................. 353
Engine Oil Check - 6.7L Diesel................354 Adding Engine Oil.............................................. 354
Engine lubrication for severe service operation ......................................................... 355Engine Oil Check - 7.3L..............................355
Adding Engine Oil.............................................. 355
Engine Oil Dipstick - 6.2L..........................352
Engine Oil Dipstick - 6.7L Diesel.............352
Engine Oil Dipstick - 7.3L...........................352
Engine Specifications - 6.2L.....................441 Drivebelt Routing................................................ 441
Engine Specifications - 6.7L Diesel.......441 Drivebelt Routing............................................... 442
Engine Specifications - 7.3L.....................442 Drivebelt Routing............................................... 443
Entertainment................................................521 AM/FM Radio...................................................... 522
Apps....................................................................... 530
Bluetooth Stereo or USB................................ 529
CD........................................................................\
.... 528
HD Radio ™ Information (If
Available)......................................................... 525
SiriusXM® Satellite Radio (If Activated)........................................................ 523
Sources.................................................................. 522
Supported Media Players, Formats and Metadata Information................................ 530
USB Ports............................................................. 530
Environment.....................................................19
Essential Towing Checks..........................305 Before Towing a Trailer..................................... 313
Dynamic Hitching Using the Rear View Camera System............................................ 306
Hitches................................................................... 307
Integrated Trailer Brake Controller...............310
Launching or Retrieving a Boat or Personal Watercraft (PWC)......................................... 314
Safety Chains..................................................... 309
Trailer Brakes...................................................... 309
Trailer Lamps........................................................ 313
Trailer Towing Connector............................... 305
When Towing a Trailer...................................... 313
Event Data Recording See: Data Recording.............................................. 11
Export Unique Options
.................................18
Extending the Remote Start Duration........................................................140
Exterior Mirrors
................................................96
Blind Spot Information System...................... 99
Clearance Lamps ................................................ 98
Direction Indicator Mirrors ............................... 98
Fold-Away Exterior Mirrors............................... 96
652
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Second-Printing Index

Heated Exterior Mirrors .....................................
98
Memory Mirrors ................................................... 98
Power Exterior Mirrors........................................ 96
PowerScope ™ Power Telescoping
Mirrors.................................................................. 97
Puddle Lamps....................................................... 98
Spot Lamps........................................................... 98
Telescoping Mirrors.............................................. 97
Trailer Towing Camera System....................... 98
F
Fastening the Seatbelts..............................39
Fastening the Cinch Tongue............................ 40
Seatbelt Locking Modes..................................... 41
Using Seatbelts During Pregnancy...............40
Using the Seatbelt with Cinch Tongue (Front Center Seat on Super Cab and
Crew Cab).......................................................... 39
Flat Tire See: Changing a Road Wheel....................... 429
Floor Mats
.......................................................323
Fog Lamps - Front See: Front Fog Lamps........................................ 89
Foot Pedals See: Adjusting the Pedals................................. 84
Ford Credit
.........................................................15
US Only..................................................................... 15
Ford Protect...................................................563 Ford Protect Extended Service Plan
(CANADA ONLY).......................................... 564
Ford Protect Extended Service Plans (U.S. Only).................................................................. 563
Four-Wheel Drive
..........................................213
Front Axle Fluid Capacity and Specification..............................................466
Front Fog Lamps
............................................89
Front Fog Lamp Indicator................................. 89
Switching the Front Fog Lamps On or Off........................................................................\
. 89
Fuel and Refueling
.......................................184
Fuel Consumption........................................193
Advertised Capacity.......................................... 193
Fuel Economy...................................................... 193
Fuel Filter - 6.2L/7.3L..................................382
Fuel Quality - Diesel.....................................187 Biodiesel................................................................ 188
Diesel Fuel Additives ........................................ 189Fuel Requirements - Choosing The Right
Fuel: Vehicles Operated Where Ultra Low
Sulfur Diesel Fuel Is Not Required ..........187
Fuel Requirements - Choosing The Right Fuel: Vehicles Operated Where Ultra Low
Sulfur Diesel Fuel Is Required (United
States/Canada/Puerto Rico/U.S. Virgin
Islands And Other Locales) ...................... 187
Fuel Quality - E85........................................185 Choosing the Right Fuel - Flex Fuel
Vehicles............................................................. 185
Switching Between E85 and Gasoline............................................................ 186
Fuel Quality - Gasoline..............................186 Choosing the Right Fuel.................................. 186
Fuel Shutoff...................................................326
Fuel Tank Capacity - Diesel.....................457
Fuel Tank Capacity - Gasoline...............458
Fuses
................................................................339
Fuse Specification Chart..........................339 Engine Compartment Fuse Box................... 339
Passenger Compartment Fuse Panel.................................................................. 343
G
Garage Door Opener
...................................164
Garage Door Opener See: Universal Garage Door Opener...........164
Gauges ..............................................................
102
DEF Gauge............................................................ 104
Engine Coolant Temperature Gauge..........104
Engine Oil Pressure Gauge............................. 104
Fuel Gauge............................................................ 104
Transmission Fluid Temperature Gauge................................................................. 104
Turbo Boost Gauge............................................ 104
Type 1 and 2.......................................................... 102
Type 3..................................................................... 103
Gearbox See: Transmission.............................................. 207
General Information on Radio Frequencies...................................................55
Intelligent Access................................................. 55
General Maintenance Information.......565 Multi-Point Inspection..................................... 568
Owner Checks and Services......................... 566
Protecting Your Investment........................... 565
653
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Second-Printing Index

Why Maintain Your Vehicle?.........................
565
Why Maintain Your Vehicle at Your Dealership?..................................................... 565
Getting Assistance Outside the U.S. and Canada.........................................................335
Getting the Services You Need...............332 Away From Home.............................................. 332
Global Opening..............................................96
Opening the Windows....................................... 96
H
Handbrake See: Parking Brake............................................. 225
Hazard Flashers...........................................326
HDC See: Using Hill Descent Control.................... 232
Headlamp Adjusting See: Adjusting the Headlamps...................... 381
Headrest See: Head Restraints.......................................... 151
Head Restraints
..............................................151
Adjusting the Head Restraint......................... 152
Heated Seats.................................................160 Rear Heated Seats............................................. 160
Heated Steering Wheel
................................82
Heating See: Climate Control - Vehicles With:
Automatic Temperature Control.............143
See: Climate Control - Vehicles With: Manual Temperature Control.................................... 147
Hill Start Assist.............................................225 Switching the System On and Off..............226
Using Hill Start Assist....................................... 226
Hints on Driving With Anti-Lock Brakes............................................................225
Hood Lock See: Opening and Closing the Hood..........348
Horn.....................................................................83
How Does the Rear Occupant Alert System Work
...............................................162
Hydraulic Power Steering Fluid Capacity and Specification
......................................472
I
Identifying the Climate Control Unit..................................................................143 Ignition Switch................................................174
In California (U.S. Only).............................333
Information Display Control
.......................82
Information Displays....................................110
General Information........................................... 110
Information Messages
.................................121
4WD........................................................................\
. 138
Active Park.............................................................. 121
Adaptive Cruise Control.................................... 122
Adaptive Steering............................................... 123
AdvanceTrac and Traction Control..............123
Airbag...................................................................... 124
Alarm and Security............................................. 124
Automatic Engine Shutdown......................... 124
Battery and Charging System........................ 125
Blind Spot Information and Cross Traffic Alert System.................................................... 125
Diesel Messages.................................................. 126
Doors and Locks.................................................. 128
Driver Alert............................................................. 129
Drivetrain................................................................ 129
Engine..................................................................... 129
Fuel........................................................................\
.. 130
Keys and Remote Controls............................. 130
Lane Keeping System......................................... 131
Maintenance.......................................................... 131
MyKey...................................................................... 132
Off Road................................................................. 132
Park Aid................................................................... 133
Park Brake.............................................................. 133
Power Steering.................................................... 134
Pre-Collision Assist............................................ 134
Remote Start........................................................ 135
Seats........................................................................\
135
Starting System .................................................. 135
Tailgate................................................................... 135
Tire Pressure Monitoring System.................. 136
Trail Control.......................................................... 136
Trailer....................................................................... 137
Installing Child Restraints
...........................24
Child Seats.............................................................. 24
Combining Seatbelt and LATCH Lower Anchors for Attaching Child
Restraints........................................................... 30
Front Seat Tether Strap Attachment (Regular Cab).................................................... 31
Rear Seat Tether Strap Attachment (Crew Cab and Super Cab)....................................... 32
654
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Second-Printing Index

Pre-Collision Assist.....................................264
Adjusting the Pre-Collision Assist
Settings............................................................ 266
Blocked Sensors................................................. 267
Distance Indication and Alert....................... 265
Using the Pre-Collision Assist System.............................................................. 264
Protecting the Environment
........................19
Puncture See: Changing a Road Wheel....................... 429
R
Radio Frequency Certification Labels...........................................................584
Blind Spot Information System Sensors............................................................ 584
Body Control Module....................................... 588
Cruise Control Module.................................... 590
Garage Door Opener........................................ 594
Keys and Remote Controls............................ 594
Passive Anti-Theft System............................ 599
Radio Transceiver Module............................. 603
SYNC...................................................................... 605
Tire Pressure Monitoring System Sensors............................................................. 610
Wireless Accessory Charging Module.........614
Rear Axle Fluid Capacity and Specification - Diesel..............................467
Rear Axle - 10.5................................................... 467
Rear Axle - 10.8.................................................. 468
Rear Axle - 11.8 .................................................. 468
Rear Axle Fluid Capacity and Specification - Gasoline........................469
Rear Axle - 10.5.................................................. 469
Rear Axle - 10.8................................................... 470
Rear Axle - 11.8 ................................................... 470
Rear Axle - 11.8 (With Heavy Duty Tow Option)............................................................... 471
Rear Axle
..........................................................221
Rear Occupant Alert System Audible Warnings.......................................................163
Rear Occupant Alert System Indicators - Vehicles With: SYNC 3..........................163
Rear Occupant Alert System Indicators - Vehicles With: SYNC..............................163
Rear Occupant Alert System Limitations...................................................162 Rear Occupant Alert System
Precautions..................................................162
Rear Occupant Alert System...................162
Rear Parking Aid
...........................................234
Obstacle Distance Indicator.......................... 235
Rear Seats
.......................................................158
Folding Up the Rear Seat Cushion ..............158
Rear Under Seat Storage................................. 159
Returning the Seat to the Seating Position.............................................................. 159
Rear View Camera
.......................................235
Camera Guidelines............................................ 236
Obstacle Distance Indicator........................... 237
Rear Camera Delay............................................ 237
Using the Rear View Camera System........236
Rear View Camera See: Rear View Camera................................... 235
Recommended Towing Weights...........300 Calculating the Maximum Loaded Trailer
Weight for Your Vehicle.............................. 304
Refueling - Diesel
.........................................190
Dual Fuel Tanks................................................... 192
Fueling Tips............................................................ 191
Refueling................................................................. 191
Refueling - Gasoline
....................................189
Fuel Filler Cap...................................................... 190
Remote Control..............................................55 Car Finder............................................................... 60
Integrated Keyhead Transmitter..................... 55
Intelligent Access Key.........................................56
Memory Feature................................................... 59
Replacing the Battery......................................... 57
Sounding the Panic Alarm............................... 60
Remotely Starting the Engine
.................140
Remotely Stopping the Engine................141
Remote Start Limitations.........................140
Remote Start Remote Control Indicators.......................................................141
Remote Control Feedback............................... 141
Remote Start
.................................................140
Remote Start Settings....................................... 141
Remote Start Settings
.................................141
Setting the Remote Start Duration..............142
Switching Climate Control Auto Mode On
and Off................................................................ 141
Switching Climate Control Last Settings On and Off......................................................... 141
657
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Second-Printing Index

Switching Rear Occupant Alert System
On and Off - Vehicles With: SYNC
3........................................................................\
162
Semiannual Reminder...................................... 162
Switching Rear Occupant Alert System On and Off - Vehicles With:
SYNC..............................................................163
Semiannual Reminder...................................... 163
Switching Recirculated Air On and Off....................................................................143
Switching the Heated Mirrors On and Off...................................................................144
Switching the Heated Rear Window On and Off..........................................................144
Switching the Heated Wiper Park On and Off...................................................................144
Switching Trail Control On and Off........231
Symbols Glossary
.............................................9
SYNC™ 3.........................................................513
General Information.......................................... 513
SYNC™ 3 Troubleshooting
......................545
Additional Information and
Assistance........................................................ 557
Apps........................................................................\
552
Navigation............................................................. 551
Personal Profiles................................................ 555
Phone..................................................................... 549
Resetting the System....................................... 557
USB and Bluetooth Audio.............................. 546
Voice Recognition.............................................. 545
Wi-Fi Connectivity............................................. 554
SYNC™ Applications and Services.......................................................500
911 Assist.............................................................. 500
SYNC Mobile Apps............................................ 502
SYNC™...........................................................496 General Information......................................... 496
SYNC™ Troubleshooting.........................504
T
Tailgate Lock
.....................................................71
Tailgate Step.....................................................72
Closing the Step.................................................... 73
Opening the Step................................................. 73
Tailgate................................................................71
Technical Specifications See: Capacities and Specifications.............441 Terrain Control
..............................................232
Principle of Operation...................................... 232
The Better Business Bureau (BBB) Auto Line Program (U.S. Only)
.......................334
Tire Care.........................................................404
Glossary of Tire Terminology........................ 405
Information About Uniform Tire Quality Grading............................................................. 404
Information Contained on the Tire Sidewall........................................................... 406
Temperature A B C........................................... 405
Traction AA A B C.............................................. 404
Treadwear............................................................ 404
Tire Pressure Monitoring System............421 Trailer Tire Pressure Monitoring
System.............................................................. 428
Vehicle Tire Pressure Monitoring System............................................................... 421
Tires See: Wheels and Tires..................................... 402
Towing a Trailer
............................................282
Load Placement................................................. 282
Towing Points...............................................330
Towing the Vehicle on Four Wheels...........................................................314
Emergency Towing............................................. 314
Recreational Towing.......................................... 314
Towing..............................................................282
Traction Control
............................................227
Principle of Operation....................................... 227
Trail Control Indicators................................231
Trail Control
.....................................................231
Trailer Reversing Aids.................................283 Conventional Trailer Setup............................ 285
Fifth Wheel and Gooseneck Trailer Setup................................................................. 288
Positioning Your Vehicle and Trailer...........284
Pro Trailer Backup Assist With Trailer Reverse Guidance......................................... 283
Setting Up the System.................................... 285
Troubleshooting - Conventional Trailer................................................................. 292
Troubleshooting - Fifth Wheel and Gooseneck Trailer......................................... 297
Using Pro Trailer Backup Assist................... 289
Using Trailer Reverse Guidance................... 290
Trailer Sway Control
...................................300
660
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Second-Printing Index

Transfer Case Fluid Capacity and
Specification..............................................466
Transfer Case Fluid Check.........................377
Transmission.................................................207
Transporting the Vehicle
...........................329
U
Under Hood Overview - 6.2L...................349
Under Hood Overview - 6.7L Diesel............................................................350
Under Hood Overview - 7.3L.....................351
Under Seat Storage
.......................................171
Front Under Seat Storage Compartment -
Vehicles With Locking Storage.................. 172
Front Under Seat Storage Compartment - Vehicles Without Locking Storage............171
Rear Under Seat Storage.................................. 172
Universal Garage Door Opener...............164 HomeLink Wireless Control System...........164
USB Port
.........................................................487
Locating the USB Ports................................... 487
Using Adaptive Cruise Control................243 Automatic Cancellation................................... 247
Blocked Sensor.................................................. 248
Canceling the Set Speed................................ 246
Changing the Set Speed................................. 246
Detection Issues................................................. 247
Following a Vehicle........................................... 244
Hilly Condition and Trailer Tow Usage................................................................. 247
Overriding the Set Speed............................... 246
Resuming the Set Speed................................ 246
Setting the Adaptive Cruise Speed............244
Setting the Gap Distance............................... 245
Switching Adaptive Cruise Control Off....................................................................... 247
Switching Adaptive Cruise Control On....................................................................... 244
Switching to Normal Cruise Control...........249
System Not Available...................................... 248
Using Four-Wheel Drive.............................213 4WD Indicator Lights......................................... 213
Driving Off-Road With Truck and Utility Vehicles............................................................. 216
Electronic Shift-On-the-Fly (ESOF) 4WD system................................................................ 213Entering and Exiting Rock Crawl Mode with
Tremor Package............................................. 215
How Your Vehicle Differs from Other Vehicles............................................................. 216
Operating 4WD Vehicles with Spare or Mismatched Tires.......................................... 215
Using the Electronic Shift on the Fly 4WD system................................................................ 214
Using Hill Descent Control.......................232 Hill Descent Modes........................................... 232
Using MyKey With Remote Start Systems..........................................................64
Using Power Running Boards....................78 Automatic Power Deploy.................................. 78
Automatic Power Stow...................................... 78
Bounce-back.......................................................... 79
Enabling and Disabling...................................... 79
Manual Power Deploy........................................ 78
Using Snow Chains.....................................420
Using Stability Control...............................229 AdvanceTrac® with Roll Stability Control ™
(RSC®)............................................................. 229
Using SYNC™ With Your Media Player............................................................503
Audio Voice Commands................................. 504
Media Sources.................................................... 503
Using SYNC™ With Your Phone...........499 Accessing Features through the Phone
Menu................................................................. 500
Pairing a Phone.................................................. 499
Phone Controls.................................................. 500
Phone Voice Commands............................... 499
Using Traction Control................................227 Switching the System Off............................... 227
System Indicator Lights and Messages.......................................................... 227
Using Voice Recognition
...........................497
Apps....................................................................... 520
Automatic Blower Motor Speed Reduction.......................................................... 521
Climate.................................................................... 517
Entertainment..................................................... 516
General................................................................... 515
Initiating a Voice Session................................ 497
Navigation............................................................. 519
Phone...................................................................... 518
SiriusXM Traffic and Travel Link................... 520
System Interaction and Feedback.............498
661
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Second-Printing Index

Voice Settings......................................................
521
Utilizing the Mediation/Arbitration Program (Canada Only)........................335
V
Vehicle Care
....................................................391
General Information.......................................... 391
Vehicle Identification Number
................473
Locating the Vehicle Identification
Number............................................................. 473
Vehicle Identification Number Overview........................................................... 473
Vehicle Identification
..................................473
Vehicle Identification Number...................... 473
Vehicle Storage
............................................399
Body....................................................................... 399
Brakes................................................................... 400
Cooling system.................................................. 400
Disconnecting Your 12 Volt Battery............400
Engine................................................................... 400
Fuel system......................................................... 400
General.................................................................. 399
Miscellaneous.................................................... 400
Removing Vehicle From Storage................400
Tires....................................................................... 400
Vehicle Wi-Fi Hotspot
................................478
Ventilated Seats............................................161
Ventilation See: Climate Control - Vehicles With:
Automatic Temperature Control.............143
See: Climate Control - Vehicles With: Manual Temperature Control.................................... 147
Voice Control
...................................................82
W
Warning Lamps and Indicators...............105 Adaptive Cruise Control................................... 105
Adaptive Steering............................................... 105
Anti-Lock Braking System.............................. 105
Automatic High Beam...................................... 105
Battery.................................................................... 106
Blind Spot Monitor............................................ 106
Brake System Warning Lamp........................ 106
Check 4X4............................................................ 106
Check Fuel Cap................................................... 106
Cruise Control...................................................... 106Diesel Engine Brake...........................................
106
Diesel Exhaust Fluid.......................................... 106
Direction Indicator.............................................. 107
Door Ajar................................................................ 107
Electronic Locking Differential....................... 107
Engine Coolant Temperature......................... 107
Engine Oil............................................................... 107
Fasten Seatbelt................................................... 107
Four-Wheel Drive Indicators.......................... 109
Front Airbag.......................................................... 107
Front Fog Lamps................................................. 107
High Beam............................................................. 107
Hill Descent........................................................... 107
Low Fuel Level..................................................... 107
Low Tire Pressure Warning.............................. 107
Powertrain Malfunction/Reduced Power/Electronic Throttle Control.........108
Service Engine Soon......................................... 108
Stability Control.................................................. 108
Stability Control Off.......................................... 108
Tailgate Ajar......................................................... 108
Transmission Tow/Haul................................... 108
Wait To Start........................................................ 108
Water In Fuel........................................................ 108
Washer Fluid Check....................................382
Washer Fluid Specification.......................461
Washers See: Cleaning the Exterior.............................. 392
See: Wipers and Washers................................. 85
Waxing.............................................................393
What Is Automatic High Beam Control............................................................93
What Is Cruise Control...............................242 Requirements...................................................... 242
What Is Remote Start.................................140
What Is the Cabin Air Filter.......................150
What Is the Gross Axle Weight Rating.............................................................272
GAWR (Gross Axle Weight Rating).............272
What Is the Gross Combined Weight Rating.............................................................273
What Is the Gross Vehicle Weight Rating.............................................................272
What Is the Maximum Loaded Trailer Weight...........................................................272
What is the Rear Occupant Alert System...........................................................162
What Is Trail Control....................................231
662
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Second-Printing Index