automatic transmission FORD MUSTANG 2021 Service Manual

This means you do not have to remember
to change the oil on a mileage-based
schedule. Your vehicle lets you know when
an oil change is due by displaying a
message in the information display.
The following table provides examples of
vehicle use and its impact on oil change
intervals. It is a guideline only. Actual oil
change intervals depend on several factors
and generally decrease with severity of
use.When to expect the message prompting you to change your oil
Vehicle Use and Example
Interval
Normal
7,000– 10,000 mi
(11,000– 16,000 km) Normal commuting with highway driving.
No, or moderate, load or towing.
Flat to moderately hilly roads.
No extended idling.
Severe
5,000– 7,500 mi
(8,000– 12,000 km) Moderate to heavy load or towing.
Mountainous or off-road conditions.
Extended idling.
Extended hot or cold operation.
High engine speeds and loads, engine braking and hard
cornering.
Extreme
3,000–5,000 mi
(4,800–8,000 km) Maximum load or towing.
Extreme hot or cold operation.
Normal Maintenance Intervals At every oil change interval as indicated by the information display
1
Change the engine oil and filter. 2
Rotate tires, inspect tire wear and measure the tread depth.
Perform a multi-point inspection, recommended.
Inspect the automatic transmission fluid level if your vehicle has a dipstick. Consult your
dealer for requirements.
Inspect the brake pads, rotors, hoses and the parking brake.
Inspect the engine cooling system strength and hoses.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Scheduled Maintenance

At every oil change interval as indicated by the information display
1
Inspect the exhaust system and heat shields.
Inspect rear axle and U-joints. Lubricate if your vehicle has grease fittings.
Inspect the half-shaft boots.
Inspect the steering linkage, ball joints, suspension, tie-rod ends, driveshaft and U-joints.
Lubricate any areas with grease fittings.
Inspect the wheels and related components for abnormal noise, wear, looseness or
drag.
1 Do not exceed one year or 10,000 mi (16,000 km) between service intervals.
2 Reset the Intelligent Oil-Life Monitor after engine oil and filter changes. Brake Fluid Maintenance
1
Change the brake fluid. 2
Every three Years
1 Perform this maintenance item every three years. Do not exceed the designated time
for the interval.
2 Brake fluid servicing requires special equipment available at your authorized dealer. Other Maintenance Items
1
Replace the cabin air filter.
Every
20,000 mi
(32,000 km)
Replace the engine air filter.
Every
30,000 mi
(48,000 km)
Replace the spark plugs.
Every
100,000 mi
(160,000 km) Inspect the accessory drive belts. 2
Change the automatic transmission fluid and filter.
Every
150,000 mi
(240,000 km) Change the manual transmission fluid.
Replace the accessory drive belts.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Scheduled Maintenance

A
A/C
See: Climate Control.......................................... 127
About This Manual...........................................9
About This Supplement - Mach 1...............9 Mach 1 History........................................................ 10
ABS See: Brakes............................................................. 171
ABS driving hints See: Hints on Driving With Anti-Lock
Brakes.................................................................. 171
Accessories....................................................438
Accessories See: Replacement Parts
Recommendation............................................ 19
ACC See: Using Adaptive Cruise Control............185
Adjusting the Headlamps.........................272
Horizontal Aim Adjustment............................ 274
Vertical Aim Adjustment................................. 272
Adjusting the Steering Wheel....................75
Airbag Disposal...............................................57
Air Conditioning See: Climate Control.......................................... 127
Air Filter See: Changing the Engine Air Filter - 2.3L
EcoBoost™/5.0L.......................................... 263
See: Changing the Engine Air Filter - 5.0L, Mach 1............................................................... 262
Alarm See: Anti-Theft Alarm......................................... 74
Ambient Lighting
............................................83
Anti-Theft Alarm............................................74
Arming the Alarm................................................. 74
Disarming the Alarm........................................... 74
Appendices....................................................483
Apps
.................................................................420
SiriusXM Traffic and Travel Link...................422
Using Apps on an Android Device................421
Using Apps on an iOS Device......................... 421
Using Mobile Navigation on an Android Device................................................................. 421
At a Glance
.......................................................23
Audible Warnings and Indicators.............97 Beltminder Warning............................................ 98
Direction Indicator Left On............................... 98
Headlamps On Warning Tone......................... 97Keyless Warning Alert.........................................
97
Parking Brake On Warning Tone.....................97
Transmission Not in Park.................................. 98
Audio Control
...................................................75
You can operate the following functions
with the control:............................................... 75
Audio System
................................................365
General Information......................................... 365
Audio Unit - Vehicles With: 4.2 Inch Information and Entertainment Display
Screen...........................................................365
Accessing the Apps Menu.............................. 366
Accessing the Clock Settings.......................366
Accessing the Media Source Menu............366
Accessing the Phone Features.....................366
Accessing the Settings Menu.......................366
Accessing the Sound Settings.....................366
Adjusting the Volume...................................... 366
Changing Radio Stations............................... 366
Listening to the Radio...................................... 367
Muting the Audio................................................ 367
Playing or Pausing Media................................ 367
Switching the Audio Unit On and Off.........367
Switching the Display On and Off...............367
Using Seek, Fast Forward and Reverse .............................................................. 367
Using the Display Control............................... 367
Using the Number Block................................. 367
Audio Unit - Vehicles With: 8 Inch Information and Entertainment Display
Screen...........................................................367
Accessing the Sound Settings.....................368
Adjusting the Volume...................................... 368
Changing Radio Stations............................... 368
Ejecting the CD................................................... 368
Inserting a CD..................................................... 368
Playing or Pausing Media............................... 368
Switching the Audio Unit On and Off........368
Using Seek, Fast Forward and Reverse............................................................. 369
Autolamps
.........................................................81
Windshield Wiper Activated
Headlamps......................................................... 81
Automatic Climate Control......................128 Setting the Blower Motor Speed..................128
Setting the Temperature................................. 129
Switching Auto Mode On and Off................129
Switching Defrost On and Off.......................129
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Index

Switching Maximum Air Conditioning On
and Off............................................................... 129
Switching Maximum Defrost On and Off........................................................................\
129
Switching Recirculated Air On and Off....................................................................... 130
Switching the Air Conditioning On and Off........................................................................\
129
Switching the Climate Control On and Off........................................................................\
129
Automatic High Beam Control.................84
Automatic High Beam Control Indicators.......................................................84
Automatic Transmission...........................165
Automatic Transmission Adaptive
Learning............................................................ 168
Brake-Shift Interlock.......................................... 167
If Your Vehicle Gets Stuck in Mud or Snow.................................................................. 168
SelectShift Automatic ™
Transmission................................................... 166
Understanding the Positions of Your Automatic Transmission............................ 166
Automatic Transmission Fluid Check............................................................269
Autowipers........................................................78
Auxiliary Power Points................................145 12 Volt DC Power Point..................................... 145
Locations............................................................... 145
B
Battery See: Changing the 12V Battery..................... 270
Blind Spot Information System..............196 ........................................................................\
........... 197
Switching the System On and Off...............198
System Errors....................................................... 198
Using the Blind Spot Information System............................................................... 197
BLIS See: Blind Spot Information System..........196
Body Styling Kits.........................................298
Bonnet Lock See: Opening and Closing the Hood..........256
Booster Seats
..................................................35
Types of Booster Seats...................................... 36Brake Fluid Check........................................269
Brake Fluid Service Interval............................ 270
Brakes.................................................................171 General Information............................................ 171
Brake System Specifications - Mach 1........................................................................\
337
Breaking-In.....................................................230 Ground Clearance............................................. 230
Bulb Specification Chart..........................359
C
Canceling the Set Speed...........................185
Capacities and Specifications - 2.3L EcoBoost™.................................................343
Air Conditioning System................................. 344
Alternative Engine Oil for Extremely Cold Climates............................................................ 347
Automatic Transmission................................ 344
Engine Coolant................................................... 345
Engine Oil 2.3L EcoBoost Base.................... 346
Engine Oil 2.3L EcoBoost High Output.............................................................. 348
Fuel Tank.............................................................. 349
Grease.................................................................... 349
Hydraulic Brake System.................................. 350
Locks...................................................................... 350
Manual Transmission....................................... 345
Rear Axle............................................................... 350
Washer Reservoir................................................ 351
Capacities and Specifications - 5.0L.................................................................351
Air Conditioning System.................................. 352
Alternative Engine Oil for Extremely Cold Climates........................................................... 355
Automatic Transmission................................. 352
Engine Coolant................................................... 354
Engine Oil.............................................................. 355
Fuel Tank.............................................................. 356
Grease.................................................................... 356
Hydraulic Brake System................................... 357
Locks....................................................................... 357
Manual Transmission - 3160......................... 354
Manual Transmission - MT82....................... 353
Rear Axle............................................................... 357
Washer Reservoir............................................... 358
Capacities and Specifications................335
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Index

Headlamp Adjusting
See: Adjusting the Headlamps...................... 272
Headlamp Exit Delay.....................................81
Headrest See: Head Restraints......................................... 134
Head Restraints.............................................134 Adjusting the Head Restraint......................... 135
Front Seat Non-Adjustable Head Restraints ........................................................................\
...... 135
Tilting Head Restraints .................................... 136
Heated Exterior Mirrors...............................132
Heated Rear Window..................................132
Heating See: Climate Control.......................................... 127
Hill Start Assist
..............................................173
Switching the System On and Off................173
Using Hill Start Assist........................................ 173
Hints on Controlling the Interior Climate - Vehicles With: Automatic
Temperature Control
.................................131
Defogging the Side Windows in Cold
Weather............................................................. 132
General Hints......................................................... 131
Quickly Cooling the Interior.............................. 131
Quickly Heating the Interior............................. 131
Recommended Settings for Cooling............131
Recommended Settings for Heating............131
Hints on Controlling the Interior Climate - Vehicles With: Manual Temperature
Control...........................................................130
Defogging the Side Windows in Cold Weather.............................................................. 131
General Hints....................................................... 130
Quickly Cooling the Interior............................ 130
Quickly Heating the Interior............................ 130
Recommended Settings for Cooling..........130
Recommended Settings for Heating..........130
Vehicle Stationary for Extended Periods During Extreme High Ambient
Temperatures.................................................. 130
Hints on Driving With Anti-Lock Brakes..............................................................171
Hood Lock See: Opening and Closing the Hood..........256
Horn
......................................................................77
How Does the Garage Door Opener Work................................................................141 I
In California (U.S. Only)
............................239
Information Display Control - Vehicles With: SYNC 3.................................................76
Quick Action Menus............................................. 77
Information Display Control - Vehicles With: SYNC....................................................76
Information Displays....................................99 General Information - Mach 1.......................... 99
General Information - Vehicles With: 12.3 Inch Instrument Cluster Display
Screen............................................................... 109
General Information - Vehicles With: 4.2 Inch Instrument Cluster Display
Screen................................................................ 103
Information Messages
.................................113
Adaptive Cruise Control.................................... 113
Airbag....................................................................... 114
Alarm........................................................................\
114
Battery and Charging System......................... 114
Blind Spot Information and Cross Traffic Alert System..................................................... 115
Doors and Locks.................................................. 116
Drive Control.......................................................... 116
Electronic Stability Control.............................. 116
Engine...................................................................... 116
Exhaust Mode........................................................ 117
Fuel........................................................................\
.... 117
Hill Start Assist...................................................... 117
Keys and Passive Key.......................................... 117
Maintenance......................................................... 118
MyKey....................................................................... 119
Park Aid................................................................... 119
Park Brake............................................................. 120
Pre-Collision Assist............................................ 120
Rear Axle................................................................ 120
Remote Start........................................................ 120
Seats........................................................................\
. 121
Starting System ................................................... 121
Steering System.................................................. 122
Suspension System........................................... 122
Tire Mobility Kit.................................................... 122
Tire Pressure Monitoring System.................. 123
Traction Control................................................... 123
Transmission.........................................................123
Installing Child Restraints - Mach 1..........27 Rear Seat Delete................................................... 27
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Index

Manual Transmission Fluid Check -
6-Speed Manual Transmission –
MT82.............................................................268
Manual Transmission.................................164 Parking Your Vehicle.......................................... 165
Recommended Shift Speeds........................164
Reverse (R)........................................................... 165
Using the Clutch................................................. 164
Memory Function..........................................137
Easy Entry and Exit Feature............................ 138
Linking a Preset Position to your Remote Control or Intelligent Access Key
Fob...................................................................... 138
Saving a Preset Position.................................. 138
Message Center See: Information Displays................................. 99
Mirrors See: Windows and Mirrors............................... 86
Mobile Communications Equipment.....................................................20
Motorcraft Parts - 2.3L EcoBoost™................................................340
Motorcraft Parts - 5.0L, Bullitt/Mach 1........................................................................\
342
Motorcraft Parts - 5.0L
...............................341
MyKey Settings...............................................63 Configurable MyKey Settings.......................... 63
Non-Configurable MyKey Settings................63
MyKey – Troubleshooting
...........................65
MyKey – Frequently Asked Questions.........66
MyKey – Information Messages..................... 65
MyKey ™.............................................................63
MyKey Settings..................................................... 63
MyKey – Troubleshooting................................. 65
N
Navigation.......................................................415 Changing the Format of the Map.................417
cityseeker.............................................................. 419
Michelin Travel Guide...................................... 420
Navigation Map Accuracy and Updates........................................................... 420
Route Guidance................................................... 417
Setting a Destination........................................ 416
SiriusXM Traffic and Travel Link..................420
Zoom....................................................................... 417Normal Scheduled Maintenance..........444
Intelligent Oil-Life Monitor™........................ 444
Normal Maintenance Intervals.................... 445
Track Use Maintenance Intervals................447
O
Oil Change Indicator Reset
.......................261
Oil Check See: Engine Oil Check....................................... 261
Opening and Closing the Hood..............256 Closing the Hood................................................ 257
Opening the Hood............................................. 256
Opening the Convertible Top..................226 Using the Tonneau Caps.................................. 227
Ordering Additional Owner's Literature......................................................243
Obtaining a French Owner ’s Manual..........243
Overriding Automatic High Beam Control............................................................84
P
Parking Aids....................................................178 Principle of Operation....................................... 178
Parking Brake..................................................172 All Vehicles............................................................. 172
Vehicles With Automatic Transmission.................................................... 172
Vehicles with Manual Transmission.............172
Passive Anti-Theft System.........................73 SecuriLock............................................................... 73
PATS See: Passive Anti-Theft System.....................73
Perchlorate
........................................................19
Personal Safety System ™..........................47
How Does the Personal Safety System
Work?................................................................... 47
Phone................................................................413 Android Auto........................................................ 415
Apple CarPlay...................................................... 415
Pairing Your Cell Phone for the First Time.................................................................... 414
Text Messaging.................................................... 414
Using Your Cell Phone...................................... 414
Post-Crash Alert System
..........................236
Power Door Locks See: Locking and Unlocking............................. 67
521
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Index

Adjustable Camber Front Strut Top Mounts
(vehicles with Optional Handling
Package)........................................................... 281
Aerodynamics...................................................... 281
Brake Burnishing................................................ 282
Brake Performance ........................................... 277
Exhaust Mode ..................................................... 277
Lap Timer............................................................... 277
Launch Control.................................................... 277
Line Lock............................................................... 278
Operating at High Speeds and Track Days.................................................................... 276
Performance Shift Indicator.......................... 279
Road Course Alignment Recommendations....................................... 279
Start Option ........................................................ 279
Status Screen ..................................................... 279
Track Apps ........................................................... 276
Track Tire Pressures......................................... 280
Track Use Maintenance Intervals................280
View/Clear Results ........................................... 279
Track Use
........................................................283
Acceleration Timer............................................ 284
Accelerometer.................................................... 284
Adjustable Camber Front Strut Top Mounts............................................................. 286
Aerodynamics..................................................... 286
Brake Burnishing................................................ 287
Brake Performance .......................................... 284
Catch Can............................................................. 287
Exhaust Mode .................................................... 284
Lap Timer............................................................. 284
Launch Control................................................... 284
Line Lock............................................................... 284
Operating at High Speeds and Track Days................................................................... 283
Performance Shift Indicator.......................... 285
Start Option ....................................................... 286
Status Screen .................................................... 286
Timing Chain....................................................... 286
Track Apps ........................................................... 283
Track Use Maintenance Intervals................286
View/Clear Results .......................................... 286
Traction Control.............................................174 Principle of Operation....................................... 174
Transmission..................................................164 Technical Specifications - Mach 1................168 Transporting the Vehicle - Mach 1.........222
Alternate Flatbed Method.............................. 224
Preferred Flatbed Method.............................. 223
Transporting or Trailering - Mach 1 Handling Package............................................................ 224
Transporting the Vehicle
...........................237
U
Under Hood Overview - 2.3L EcoBoost™.................................................258
Under Hood Overview - 5.0L, Mach 1
.......................................................................260
Under Hood Overview - 5.0L..................259
USB Port..........................................................374
Using Adaptive Cruise Control................185 Automatic Cancellation................................... 188
Blocked Sensor................................................... 189
Canceling the Set Speed................................. 188
Changing the Set Speed................................. 188
Detection Issues................................................. 188
Following a Vehicle............................................ 186
Hilly Condition Usage....................................... 188
Overriding the Set Speed................................. 187
Resuming the Set Speed................................ 188
Setting the Adaptive Cruise Speed.............186
Setting the Gap Distance................................. 187
Switching Adaptive Cruise Control Off....................................................................... 188
Switching Adaptive Cruise Control On........................................................................\
186
Switching to Normal Cruise Control...........190
System Not Available....................................... 189
Using MyKey With Remote Start Systems..........................................................65
Using Snow Chains.....................................323
Using Stability Control................................176 Electronic Stability Control ............................ 176
Using Summer Tires
...................................320
Mach 1 Handling Package.............................. 320
Using SYNC™ With Your Media Player............................................................382
Audio Voice Commands................................. 383
Media Sources.................................................... 382
Using SYNC™ With Your Phone............378 Accessing Features through the Phone
Menu.................................................................. 379
Pairing a Phone................................................... 378
525
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Index