check transmission fluid FORD MUSTANG 2021 Owners Manual

Customer Assistance
Getting the Services You Need
..............238
In California (U.S. Only) ...........................
239
The Better Business Bureau (BBB) Auto Line Program (U.S. Only) ....................
240
Utilizing the Mediation/Arbitration Program (Canada Only) .......................
241
Getting Assistance Outside the U.S. and Canada ........................................................
241
Ordering Additional Owner's Literature ........................................................................\
243
Reporting Safety Defects (U.S. Only) ........................................................................\
243
Reporting Safety Defects (Canada Only) ........................................................................\
243
Fuses
Fuse Specification Chart .........................
245
Changing a Fuse .........................................
254
Maintenance
General Information ..................................
256
Opening and Closing the Hood .............
256
Under Hood Overview - 2.3L EcoBoost™ ........................................................................\
258
Under Hood Overview - 5.0L .................
259
Under Hood Overview - 5.0L, Mach 1 .......................................................................
260
Engine Oil Dipstick ......................................
261
Engine Oil Check ..........................................
261
Oil Change Indicator Reset ......................
261
Changing the Engine Air Filter - 5.0L, Mach 1 .........................................................
262
Changing the Engine Air Filter - 2.3L EcoBoost™/5.0L ....................................
263
Engine Coolant Check ..............................
264
Manual Transmission Fluid Check - 6-Speed Manual Transmission – 3160
........................................................................\
268
Manual Transmission Fluid Check - 6-Speed Manual Transmission – MT82
........................................................................\
268 Automatic Transmission Fluid Check
........................................................................\
269
Brake Fluid Check .......................................
269
Clutch Fluid Check - Manual Transmission ............................................
270
Power Steering Fluid Check ....................
270
Changing the 12V Battery ........................
270
Adjusting the Headlamps ........................
272
Washer Fluid Check ...................................
274
Fuel Filter ........................................................
274
Checking the Wiper Blades .....................
274
Changing the Wiper Blades ....................
274
Changing a Bulb ..........................................
275
Track Use
Track Use - Mach 1 ......................................
276
Track Use .......................................................
283
Vehicle Care
General Information ..................................
289
General Information - GT500/Mach 1 ........................................................................\
289
Cleaning Products .....................................
290
Cleaning the Exterior - Mach 1 ................
291
Cleaning the Exterior ..................................
291
Waxing ............................................................
293
Cleaning the Engine - Mach 1 .................
293
Cleaning the Engine ...................................
293
Cleaning the Windows and Wiper Blades ........................................................................\
294
Cleaning the Interior ..................................
294
Cleaning the Instrument Panel and Instrument Cluster Lens ......................
295
Cleaning Leather Seats ............................
295
Repairing Minor Paint Damage .............
296
Cleaning the Wheels .................................
296
Vehicle Storage ...........................................
296
Cleaning the Convertible Top ................
298
Body Styling Kits ........................................
298
5
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Table of Contents

GENERAL INFORMATION
Have your vehicle serviced regularly to help
maintain its roadworthiness and resale
value. There is a large network of
authorized dealers that are there to help
you with their professional servicing
expertise. We believe that their specially
trained technicians are best qualified to
service your vehicle properly and expertly.
They are supported by a wide range of
highly specialized tools developed
specifically for servicing your vehicle.
If your vehicle requires professional service,
an authorized dealer can provide the
necessary parts and service. Check your
warranty information to find out which
parts and services are covered.
Use only recommended fuels, lubricants,
fluids and service parts conforming to
specifications. Motorcraft® parts are
designed and built to provide the best
performance in your vehicle.
Precautions
•
Do not work on a hot engine.
• Make sure that nothing gets caught in
moving parts.
• Do not work on a vehicle with the
engine running in an enclosed space,
unless you are sure you have enough
ventilation.
• Keep all open flames and other burning
material, such as cigarettes, away from
the battery and all fuel related parts.
Working with the Engine Off
1. Set the parking brake and shift the transmission to park (P), for automatic
transmission, or neutral (N), for manual
transmission.
2. Switch off the engine.
3. Block the wheels. Working with the Engine On WARNING: To reduce the risk of
vehicle damage and personal burn
injuries, do not start your engine with the
air cleaner removed and do not remove
it while the engine is running.
1. Set the parking brake and shift the transmission to park (P), for automatic
transmission, or neutral (N), for manual
transmission.
2. Block the wheels.
OPENING AND CLOSING THE
HOOD
Opening the Hood 1.
Inside the vehicle, pull the hood release
handle located under the left-hand
side of the instrument panel.
2. Slightly lift the hood.
256
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing MaintenanceE142457

1. Stop your vehicle as soon as it is safe
to do so. Fully apply the parking brake,
shift into park (P) or neutral (N).
2. Leave the engine running until the coolant temperature gauge needle
returns to the normal position. If the
temperature does not drop after
several minutes, follow the remaining
steps.
3. Switch the engine off and wait for it to
cool. Check the coolant level.
4. If the coolant level is at or below the minimum mark, add prediluted coolant
immediately.
5. If the coolant level is normal, restart the engine and continue.
MANUAL TRANSMISSION
FLUID CHECK - 6-SPEED
MANUAL TRANSMISSION –
3160
Note: Make sure the vehicle is on a level
surface.
1. Clean the filler plug. 2. Remove the filler plug.
3.
Start the engine and allow it to idle for
two minutes with the clutch engaged.
4. Add fluid through the filler hole.
5. The correct fluid fill level is 0.0–0.1 in
(0– 3 mm) below the bottom edge of
the filler hole.
6. Install the filler plug.
7. Tighten the filler plug until you feel a strong resistance.
Only use fluid that meets our
specifications. See
Capacities and
Specifications (page 335).
MANUAL TRANSMISSION
FLUID CHECK - 6-SPEED
MANUAL TRANSMISSION –
MT82
1. Clean the filler plug. The filler plug is on the right-hand side of the
transmission. 2. Remove the filler plug.
3. The correct fluid fill level is
0.0–0.1 in
(0– 3 mm) below the bottom edge of
the filler hole.
4. Add fluid through the filler hole.
5. Install the filler plug.
268
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing MaintenanceE215477 E174951

6. Tighten the filler plug until you feel a
strong resistance.
Only use fluid that meets Ford
specifications. See Capacities and
Specifications (page 335).
AUTOMATIC TRANSMISSION
FLUID CHECK
If required, have an authorized dealer check
and change the transmission fluid at the
correct service interval. See
Scheduled
Maintenance (page 441).
The automatic transmission does not have
a transmission fluid dipstick.
Refer to your scheduled maintenance
information for scheduled intervals for fluid
checks and changes. Your transmission
does not consume fluid. However, if the
transmission slips, shifts slowly or if you
notice a sign of leaking fluid, contact an
authorized dealer.
Do not use supplemental transmission
fluid additives, treatments or cleaning
agents. The use of these materials may
affect transmission operation and result
in damage to internal transmission
components.
BRAKE FLUID CHECK WARNING:
Do not use any fluid
other than the recommended brake fluid
as this will reduce brake efficiency. Use
of incorrect fluid could result in the loss
of vehicle control, serious personal injury
or death. WARNING:
Only use brake fluid
from a sealed container. Contamination
with dirt, water, petroleum products or
other materials may result in brake
system damage or failure. Failure to
adhere to this warning could result in the
loss of vehicle control, serious personal
injury or death. WARNING:
Do not allow the fluid
to touch your skin or eyes. If this
happens, rinse the affected areas
immediately with plenty of water and
contact your physician. WARNING:
The brake system
could be affected if the brake fluid level
is below the MIN mark or above the MAX
mark on the brake fluid reservoir. 1. Park your vehicle on a level surface.
2. Look at the brake fluid reservoir to see
where the brake fluid level is relative
to the
MIN and the MAX marks on the
reservoir.
269
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing MaintenanceE170684

Note:
If the brake fluid level is between the
MIN and the MAX marks on the reservoir, it
is acceptable.
Note: If the brake fluid level is below the
MIN
mark or above the MAX mark, have
your vehicle checked as soon as possible.
Note: To avoid fluid contamination, the
reservoir cap must remain in place and fully
tight, unless you are adding fluid.
Only use fluid that meets our
specifications. See
Capacities and
Specifications (page 335).
Brake Fluid Service Interval
Brake fluid absorbs water over time which
degrades the effectiveness of the brake
fluid. Change the brake fluid at the
specified intervals to prevent degraded
braking performance.
For detailed interval information, see
Scheduled Maintenance in your Owner's
Manual or your local maintenance guide.
CLUTCH FLUID CHECK -
MANUAL TRANSMISSION
The clutch and brake systems share the
same fluid reservoir. See
Brake Fluid
Check (page 269).
POWER STEERING FLUID
CHECK
Your vehicle is equipped with an electric
power steering (EPS) system. There is no
fluid reservoir to check or fill. CHANGING THE 12V BATTERY WARNING:
Batteries normally
produce explosive gases which can
cause personal injury. Therefore, do not
allow flames, sparks or lighted
substances to come near the battery.
When working near the battery, always
shield your face and protect your eyes.
Always provide correct ventilation. WARNING:
When lifting a
plastic-cased battery, excessive pressure
on the end walls could cause acid to flow
through the vent caps, resulting in
personal injury and damage to the
vehicle or battery. Lift the battery with a
battery carrier or with your hands on
opposite corners. WARNING:
Keep batteries out of
reach of children. Batteries contain
sulfuric acid. Avoid contact with skin,
eyes or clothing. Shield your eyes when
working near the battery to protect
against possible splashing of acid
solution. In case of acid contact with skin
or eyes, flush immediately with water for
a minimum of 15 minutes and get prompt
medical attention. If acid is swallowed,
call a physician immediately. WARNING:
Battery posts,
terminals and related accessories
contain lead and lead compounds,
chemicals known to the State of
California to cause cancer and
reproductive harm. Wash your hands
after handling
.
270
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Maintenance

Multi-Point Inspection
In order to keep your vehicle running right,
it is important to have the systems on your
vehicle checked regularly. This can help
identify potential issues and prevent major
problems. We recommend having the
following multi-point inspection performed
at every scheduled maintenance interval
to help make sure your vehicle keeps
running great.Multi-Point inspection
Hazard warning system operation.
Accessory drive belts.
Horn operation.
Battery performance.
Radiator, cooler, heater and air conditioninghoses.
Engine air filter.
Suspension components for leaks ordamage.
Exhaust system.
Steering and linkage.
Exterior lamps operation.
Tires, including spare, for wear and properpressure.2
Fluid levels; fill if necessary. 1
Windshield for cracks, chips or pits.
For oil and fluid leaks.
Washer spray and wiper operation.
Half-shaft dust boots.
1 Brake, coolant recovery reservoir, automatic transmission and window washer.
2 If your vehicle is equipped with a temporary mobility kit, check the tire sealant expiration
Use By date on the canister. Replace as needed.
Be sure to ask your dealership service
advisor or technician about the multi-point
vehicle inspection. It is a comprehensive
way to perform a thorough inspection of
your vehicle. Your checklist gives you
immediate feedback on the overall
condition of your vehicle. NORMAL SCHEDULED
MAINTENANCE
Intelligent Oil-Life Monitor™
Your vehicle has an Intelligent Oil-Life
Monitor that determines when you should
change the engine oil based on how you
use your vehicle. By using several
important factors in its calculations, the
monitor helps reduce the cost of owning
your vehicle and reduces environmental
waste at the same time.
444
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Scheduled Maintenance

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
514
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Index

Switching the Rear Heated Seats On and
Off........................................................................\
413
Switching the Rear Ventilated Seats On and Off............................................................... 413
Switching the Ventilated Seats On and Off........................................................................\
413
Climate Control..............................................127
Climate Controlled Seats..........................139 Cooled Seats........................................................ 140
Heated Seats........................................................ 139
Closing the Convertible Top.....................227
Clutch Fluid Check - Manual Transmission..............................................270
Cold Weather Precautions.......................230
Connected Vehicle.....................................360
Connecting the Vehicle to a Mobile
Network........................................................... 360
Connected Vehicle Limitations..............360
Connected Vehicle Requirements........360
Connected Vehicle – Troubleshooting - Vehicles With: Modem.............................361
Connected Vehicle – Troubleshooting - Vehicles With: SYNC 3............................362
Connecting the Vehicle to a Mobile Network.......................................................360
Connecting FordPass to the Modem.........360
Enabling and Disabling the Modem..........360
What Is the Modem.......................................... 360
Connecting the Vehicle to a Wi-Fi Network.......................................................360
Convertible Top............................................226
Coolant Check See: Engine Coolant Check........................... 264
Crash Sensors and Airbag Indicator
.......56
Creating a MyKey...........................................64
Creating a Vehicle Wi-Fi Hotspot..........364 Connecting a Device to the Wi-Fi
Hotspot............................................................ 364
Finding the Wi-Fi Hotspot Name and Password......................................................... 364
Cross Traffic Alert.........................................198 Cross Traffic Alert Behavior When Trailer
is Attached...................................................... 200
Cross Traffic Alert Indicator............................ 201
Cross Traffic Alert Information Messages.......................................................... 201
Cross Traffic Alert System Limitations...................................................... 200Cross Traffic Alert System Sensors............200
Switching the System On and Off..............200
Using Cross Traffic Alert..................................
198
Cruise Control
................................................184
Cruise Control Indicators...........................185
Cruise Control - Vehicles With: Adaptive Cruise Control...............................................76
Cruise Control - Vehicles With: Cruise Control.............................................................76
Customer Assistance
.................................238
Customer Information................................451
Radio Frequency Certification Labels.........451
D
Data Recording
................................................15
Comfort, Convenience and Entertainment
Data........................................................................\
17
Event Data............................................................... 16
Service Data............................................................ 16
Services That Third Parties Provide................17
Services That We Provide................................... 17
Vehicles With a Modem...................................... 17
Vehicles With an Emergency Call System................................................................. 18
Vehicles With SYNC............................................. 18
Daytime Running Lamps - Vehicles With: Configurable Daytime Running
Lamps..............................................................82
Daytime Running Lamps - Vehicles With: Daytime Running Lamps (DRL)
............82
Declaration of Conformity - Vehicles With: SYNC 3
................................................511
Radio Frequency Statement........................... 511
Digital Radio
..................................................369
HD Radio Reception and Station
Troubleshooting............................................ 370
Direction Indicators.......................................83
Doors and Locks.............................................67
Drive Control
.................................................209
Active Exhaust...................................................... 211
Adaptive Dampers............................................... 211
Rev Match.............................................................. 212
Selectable Drive Modes.................................. 209
Selectable Steering............................................. 211
Drive Control - Mach 1...............................206 Active Exhaust.................................................... 208
No Lift Shift......................................................... 209
516
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Index

Installing Child Restraints - Vehicles
With: SVT Performance Package.........34
Rear Seat Delete................................................... 34
Installing Child Restraints - Vehicles Without: SVT Performance
Package..........................................................28
Child Seats.............................................................. 28
Using Lap and Shoulder Belts......................... 28
Using Lower Anchors and Tethers for CHildren (LATCH)............................................. 31
Using Tether Straps............................................. 32
Instrument Cluster
........................................90
Instrument Lighting Dimmer......................81
Instrument Panel
............................................23
Interior Air Quality.........................................133
Interior Lamps
.................................................83
Interior Luggage Compartment Release............................................................72
Interior Mirror...................................................88 Auto-Dimming Mirror......................................... 88
Introduction........................................................9
J
Jump Starting the Vehicle........................234 Connecting the Jumper Cables.................... 234
Installing the Battery Shield.......................... 236
Preparing Your Vehicle..................................... 234
Removing the Battery Shield........................ 234
Removing the Jumper Cables....................... 235
Starting the Engine........................................... 235
K
Keyless Starting
.............................................147
Ignition Modes...................................................... 147
Keys and Remote Controls.........................58
L
Lane Keeping System.................................192 Switching the System On and Off...............193
Lighting Control
..............................................80
Flashing the Headlamp High Beam...............81
Headlamp High Beam....................................... 80
Lighting
..............................................................80
General Information........................................... 80Limited Slip Differential.............................170
Traction-Lok ™ and TORSEN™ Axles.........170
Load Carrying.................................................213
Load Limit........................................................213 Special Loading Instructions - for all
vehicles............................................................... 217
Vehicle Loading - with and without a Trailer.................................................................. 213
Locating the Cabin Air Filter.....................133
Locking and Unlocking.................................67 Activating Intelligent Access........................... 68
Autolock.................................................................. 69
Battery Saver.......................................................... 72
Illuminated Entry.................................................... 71
Illuminated Exit...................................................... 72
Locking and Unlocking the Doors with the Key Blade............................................................ 70
Opening the Luggage Compartment.............71
Power Door Locks................................................. 67
Remote Control..................................................... 67
Smart Unlocks...................................................... 69
Lug Nuts See: Changing a Road Wheel....................... 328
M
Maintenance.................................................256 General Information......................................... 256
Manual Climate Control
.............................127
Directing the Airflow........................................... 127
Setting the Blower Motor Speed...................127
Setting the Temperature.................................. 127
Switching Maximum Air Conditioning On and Off............................................................... 128
Switching Maximum Defrost On and Off........................................................................\
128
Switching Recirculated Air On and Off........................................................................\
128
Switching the Air Conditioning On and Off........................................................................\
127
Switching the Climate Control On and Off........................................................................\
128
Manual Seats
.................................................136
Manual Transmission Fluid Check - 6-Speed Manual Transmission –
3160...............................................................268
520
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