2021 FORD MUSTANG coolant temperature

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.
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Body
•
Wash your vehicle thoroughly to
remove dirt, grease, oil, tar or mud from
exterior surfaces, rear-wheel housing
and the underside of front fenders.
• Periodically wash your vehicle if it is
stored in exposed locations.
• Touch-up exposed or primed metal to
prevent rust.
• Cover chrome and stainless steel parts
with a thick coat of auto wax to prevent
discoloration. Re-wax as necessary
when you wash your vehicle.
• Lubricate all hood, door and luggage
compartment hinges and latches with
a light grade oil.
• Cover interior trim to prevent fading.
• Keep all rubber parts free from oil and
solvents.
Engine
• Change the engine oil and filter prior to
storage because used engine oil
contains contaminates which may
cause engine damage.
• Start the engine every 15 days for a
minimum of 15 minutes. Run at fast
idle with the climate controls set to
defrost until the engine reaches normal
operating temperature.
• With your foot on the brake, shift
through all the gears while the engine
is running.
• We recommend that you change the
engine oil before you use your vehicle
again.
Fuel system
• Fill the fuel tank with high-quality fuel
until the first automatic shutoff of the
fuel pump nozzle. Cooling system
•
Protect against freezing temperatures.
• When removing your vehicle from
storage, check coolant fluid level.
Confirm that there are no cooling
system leaks and that fluid is at the
recommended level.
Disconnecting Your 12 Volt Battery
• Check and recharge as necessary. Keep
connections clean.
• If storing your vehicle for more than 30
days without recharging the battery,
we recommend that you disconnect
the battery cables to maintain battery
charge for quick starting.
Note: It is necessary to reset memory
features if you disconnect the battery
cables.
Brakes
• Make sure the brakes and parking brake
release fully.
Tires
• Maintain recommended air pressure.
Miscellaneous
• Make sure all linkages, cables, levers
and pins under your vehicle are covered
with grease to prevent rust.
• Move vehicles at least 25 ft (7.5 m)
every 15 days to lubricate working parts
and prevent corrosion.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Vehicle Care

Other Maintenance Items
1
Change the rear axle fluid.
Change the engine coolant. 3
At 200,000 mi
(320,000 km)
1 Perform these maintenance items within
3,000 mi (4,800 km) of the last engine oil and
filter change. Do not exceed the designated distance for the interval.
2 After initial inspection, inspect every other oil change until replaced.
3 Initial replacement at 10 years or
200,000 mi (320,000 km), then every 5 years or
100,000 mi (160,000 km).
Track Use Maintenance Intervals
Follow these maintenance intervals for
when you use your vehicle on a track or in
a high-speed event. In addition to the recommendations below,
we recommend following the procedures
previously outlined in the Normal
Maintenance Intervals section to help keep
your vehicle running right, to identify
potential issues, and to prevent major
problems. Vehicle Use and Example
Interval
Change the engine oil and filter.
One track weekend or approximately
four hours of track use
Change the rear axle fluid.1
Every
500 mi (800 km)
1 Change the fluid every 500 mi (800 km) or when a message appears in the information
display stating that the axle fluid is overtemperature.
SPECIAL OPERATING
CONDITIONS SCHEDULED
MAINTENANCE
If you operate your vehicle primarily in any
of the following conditions, you need to
perform extra maintenance, as indicated.
If you operate your vehicle occasionally
under any of these conditions, it is not
necessary to perform the extra
maintenance. For specific
recommendations, see your dealership
service advisor or technician.
447
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Scheduled Maintenance

Rev Match............................................................
208
Selectable Drive Modes.................................. 206
Selectable Steering.......................................... 208
Driver Alert.......................................................191
Using Driver Alert................................................. 191
Driver and Passenger Airbags...................49 Children and Airbags.......................................... 50
Proper Driver and Front Passenger Seating Adjustment........................................................ 49
Driver and Passenger Knee Airbags........54
Driving Aids
......................................................191
Driving at High Speed.................................333
Driving Hints...................................................229
Driving Through Water
...............................230
DRL See: Daytime Running Lamps - Vehicles With:
Configurable Daytime Running
Lamps.................................................................. 82
See: Daytime Running Lamps - Vehicles With: Daytime Running Lamps (DRL)................82
E
Economical Driving
.....................................229
Electromagnetic Compatibility..............483
Emission Law.................................................160 Tampering With a Noise Control
System.............................................................. 160
Enabling Remote Start
...............................124
End User License Agreement.................486 VEHICLE SOFTWARE END USER LICENSE
AGREEMENT (EULA) ................................ 486
Engine Block Heater....................................150 Using the Engine Block Heater....................... 151
Engine Coolant Check
...............................264
Adding Coolant.................................................. 264
Coolant Change................................................. 266
Engine Coolant Temperature Management.................................................. 267
Fail-Safe Cooling............................................... 266
Recycled Coolant............................................... 265
Severe Climates................................................. 266
Engine Emission Control...........................160
Engine Immobilizer See: Passive Anti-Theft System.....................73
Engine Oil Check...........................................261 Adding Engine Oil............................................... 261
Engine Oil Dipstick
.......................................261 Engine Specifications - 2.3L
EcoBoost™.................................................335
Drivebelt Routing............................................... 335
Engine Specifications - 5.0L, Mach 1........................................................................\
335
Drivebelt Routing............................................... 336
Engine Specifications - 5.0L....................337 Drivebelt Routing................................................ 337
Entertainment...............................................401 AM/FM Radio...................................................... 402
Apps........................................................................\
410
CD........................................................................\
... 408
HD Radio ™ Information (If
Available)........................................................ 405
SiriusXM® Satellite Radio (If Activated)....................................................... 403
Sources.................................................................. 401
Stereo or USB..................................................... 409
Supported Media Players, Formats and Metadata Information................................. 410
USB Ports.............................................................. 410
Environment.....................................................22
Essential Towing Checks..........................220 Before Towing a Trailer.................................... 220
Hitches................................................................... 220
Launching or Retrieving a Boat or Personal Watercraft (PWC)......................................... 221
Safety Chains...................................................... 220
Trailer Brakes....................................................... 220
Trailer Lamps....................................................... 220
When Towing a Trailer....................................... 221
Event Data Recording See: Data Recording............................................. 15
Export Unique Options
..................................21
Extending the Remote Start Duration.........................................................124
Exterior Mirrors
................................................87
Blind Spot Monitor.............................................. 88
Fold-Away Exterior Mirrors............................... 87
Heated Exterior Mirrors...................................... 87
Integrated Blind Spot Mirrors........................... 87
Memory Mirrors..................................................... 87
Power Exterior Mirrors........................................ 87
Projection Lights................................................... 87
Signal Indicator Mirrors...................................... 87
517
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Index

F
Fastening the Seatbelts...............................41
Seatbelt Locking Modes.................................... 43
Using Seatbelts During Pregnancy................42
Flat Tire See: Changing a Road Wheel....................... 328
Flat Tire Inflation See: Tire Sealant and Inflator Kit................299
Floor Mats........................................................231
Fog Lamps - Front See: Front Fog Lamps........................................ 82
Ford Credit.........................................................19 US Only..................................................................... 19
Ford Protect
...................................................439
Ford Protect Extended Service Plan
(CANADA ONLY).......................................... 440
Ford Protect Extended Service Plans (U.S. Only).................................................................. 439
Front Fog Lamps
............................................82
Front Fog Lamp Indicator................................. 83
Switching the Front Fog Lamps On or Off........................................................................\
. 82
Front Passenger Sensing System............50
Fuel and Refueling.......................................152
Fuel Consumption
.......................................158
Advertised Capacity.......................................... 158
Calculating Fuel Economy.............................. 159
Filling the Fuel Tank........................................... 159
Fuel Filler Funnel Location........................154
Fuel Filter.........................................................274
Fuel Quality
.....................................................153
Choosing the Right Fuel................................... 153
Fuel Quality - Mach 1...................................152 Choosing the Right Fuel................................... 152
Fuel Shutoff
...................................................233
Fuses................................................................245
Fuse Specification Chart..........................245
Passenger Compartment Fuse Panel.........251
Power Distribution Box.................................... 245
G
Garage Door Opener....................................141
Garage Door Opener Limitations
............141
Garage Door Opener Precautions...........141 Garage Door Opener Radio
Frequencies.................................................144
FCC and RSS-210 Industry Canada Compliance..................................................... 144
Gauges - Mach 1.............................................90 Oil Pressure Gauge.............................................. 90
Vacuum Gauge..................................................... 90
Gauges - Vehicles With: 12.3 Inch Instrument Cluster Display
Screen.............................................................90
Engine Coolant Temperature Gauge.............91
Fuel Gauge............................................................... 91
Gauge Package..................................................... 92
Information Bar...................................................... 91
Information Display.............................................. 91
Gauges - Vehicles With: 4.2 Inch Instrument Cluster Display
Screen..............................................................92
Engine Coolant Temperature Gauge............93
Fuel Gauge.............................................................. 93
Gauge Package..................................................... 94
Information Bar..................................................... 93
Information Display............................................. 93
Gearbox See: Transmission.............................................. 164
General Information on Radio Frequencies...................................................58
Intelligent Access................................................. 58
General Maintenance Information
........441
Multi-Point Inspection..................................... 444
Owner Checks and Services.......................... 443
Protecting Your Investment............................ 441
Why Maintain Your Vehicle?.......................... 441
Why Maintain Your Vehicle at Your Dealership?...................................................... 441
Getting Assistance Outside the U.S. and Canada..........................................................241
Getting the Services You Need...............238 Away From Home.............................................. 238
Glasses Holder
..............................................146
Global Opening..............................................86 Opening the Windows........................................ 87
H
Handbrake See: Parking Brake.............................................. 172
Hazard Flashers
............................................233
518
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Index

Phone Controls...................................................
379
Phone Voice Commands................................ 378
Using Traction Control................................174 Switching the System Off ............................... 174
System Indicator Lights and Messages........................................................... 174
Using Voice Recognition............................376
Audio Voice Commands................................. 395
Climate Voice Commands............................. 396
Initiating a Voice Session................................ 376
Mobile App Voice Commands...................... 399
Navigation Voice Commands.......................398
Phone Voice Commands............................... 396
SiriusXM Traffic and Travel Link Voice Commands.................................................... 400
System Interaction and Feedback...............377
Voice Settings Commands........................... 400
Using Winter Tires.......................................323
Utilizing the Mediation/Arbitration Program (Canada Only)
.........................241
V
Vehicle Care
...................................................289
General Information......................................... 289
General Information - GT500/Mach 1........................................................................\
... 289
Vehicle Identification Number
................343
Vehicle Storage............................................296
Body........................................................................\
297
Brakes..................................................................... 297
Cooling system................................................... 297
Disconnecting Your 12 Volt Battery.............297
Engine..................................................................... 297
Fuel system.......................................................... 297
General.................................................................. 296
Miscellaneous..................................................... 297
Removing Vehicle From Storage.................298
Tires........................................................................\
. 297
Vehicle Wi-Fi Hotspot
...............................364
Ventilation See: Climate Control.......................................... 127
VIN See: Vehicle Identification Number............343
Voice Control....................................................75 W
Warning Lamps and Indicators................94
Adaptive Cruise Control Indicator.................94
Airbag Warning Lamp........................................ 94
Anti-Lock Brake System Warning Lamp.................................................................... 94
Automatic Headlamp High Beam Indicator .............................................................. 94
Battery ...................................................................... 94
Blind Spot Information System Indicator.............................................................. 95
Brake System Warning Lamp.......................... 95
Cruise Control Indicator..................................... 95
Direction Indicator............................................... 95
Door Ajar Warning Lamp................................... 95
Engine Coolant Temperature Warning Lamp
.................................................................... 95
Fasten Seatbelt Warning Lamp.....................95
Front Fog Lamp Indicator................................. 95
Headlamp High Beam Indicator....................96
Heads Up Display................................................. 95
Hood Ajar................................................................ 96
Lane Keeping System Lamp............................ 96
Launch Control..................................................... 96
Low Beam Malfunction..................................... 96
Low Fuel Level Warning Lamp....................... 96
Low Tire Pressure Warning Lamp.................. 96
Low Washer Fluid Level Warning Lamp.................................................................... 96
Oil Pressure Warning Lamp............................. 96
Parking Lamps...................................................... 96
Powertrain Fault................................................... 96
Service Engine Soon........................................... 96
Shift Indicator........................................................ 97
Stability Control and Traction Control Indicator.............................................................. 97
Stability Control and Traction Control Off Warning Lamp.................................................. 97
Trunk Ajar................................................................. 97
Washer Fluid Check.....................................274
Washers See: Cleaning the Exterior............................... 291
See: Cleaning the Exterior - Mach 1.............291
See: Wipers and Washers................................. 78
Waxing.............................................................293
Welcome Lighting..........................................83
What Is a Connected Vehicle.................360
526
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Index