2021 FORD F-450 cooling

Supported USB file systems include: FAT,
exFAT, and NTFS.
SYNC 3 is also able to organize the media
from your USB device by metadata tags.
Metadata tags, which are descriptive
software identifiers embedded in the
media files, provide information about the
file.
If your indexed media files contain no
information embedded in these metadata
tags, SYNC 3 may classify the empty
metadata tags as unknown.
SYNC 3 is capable of indexing up to
50,000 songs per USB device, for up to 10
devices.
CLIMATE
Touch the climate button on the
touchscreen to access your climate control
features.
Note:
You can switch temperature units
between Fahrenheit and Celsius. See
Settings (page 543).
Accessing the Climate Control
Menu Touch the button to access
additional controls for the front
climate system.
Directing the Airflow Touch the button to direct
airflow to the windshield air
vents and de-mister.
Touch the button to direct
airflow to the instrument panel
air vents.
Touch the button to direct
airflow to the footwell air vents. You can direct air through any combination
of these air vents.
Setting the Blower Motor Speed Touch up or down to increase or
decrease the volume of air that
circulates in your vehicle.
Setting the Temperature
Touch up or down on the left-hand
temperature control to set the left-hand
temperature.
Note: This control also adjusts the
right-hand side temperature when you
switch off dual zone mode.
Touch up or down on the right-hand
temperature control to set the right-hand
temperature.
Switching Auto Mode On and Off Touch the button to switch on
automatic operation, then set
the temperature.
The system adjusts the blower motor
speed, air distribution, air conditioning
operation, and outside or recirculated air
to reach and maintain the temperature you
have set.
Switching the Air Conditioning On
and Off A pop-up appears on the screen
to display the air conditioning
options.
MAX A/C:
Touch the button to activate
and maximize cooling. The driver and
passenger temperatures are set to LO,
recirculated air flows through the
instrument panel vents, air conditioning
automatically turns on and the fan
automatically adjusts to the highest speed.
531
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- SYNC™ 3
(If Equipped)E265038 E244097

A/C: Touch to switch the air conditioning
on or off. Use A/C with recirculated air to
improve cooling performance and
efficiency.
Note: In certain conditions, such as
maximum defrost, the air conditioning
compressor may continue to operate even
though you switch off the air conditioning.
Switching the Climate Control On
and Off Touch the button.
Switching the Climate Controlled
Seats On and Off Touch the button to cycle
through the various climate
controlled seat settings.
Switching Dual Zone Mode On and
Off Touch the button to switch on
temperature control for the
right-hand side of the vehicle.
Switching the Heated Exterior
Mirrors On and Off Touch the button.
Switching the Heated Windshield
On and Off Touch the button to clear the
windshield of thin ice and fog.
The heated windshield turns off
after a short period of time. Switching the Heated Rear
Window On and Off Touch the button to clear the
rear window of thin ice and fog.
Switching the Heated Seats On
and Off Touch the button to cycle
through the various heat
settings.
Switching the Heated Steering
Wheel On and Off Touch the button.
Switching Maximum Air
Conditioning On and Off Touch the button for maximum
cooling.
Recirculated air flows through the
instrument panel air vents, air conditioning
turns on and the blower motor adjusts to
the highest speed.
Switching Maximum Defrost On
and Off Touch the button for maximum
defrosting.
Air flows through the windshield air vents,
and the blower motor adjusts to the
highest speed.
You can also use this setting to defog and
clear the windshield of a thin covering of
ice.
Note: To prevent window fogging, you
cannot select recirculated air when
maximum defrost is on.
532
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- SYNC™ 3
(If Equipped) E265282 E265280 E266189 E184884

Note:
The heated rear window also turns
on when you select maximum defrost.
Switching Recirculated Air On and
Off Touch the button to switch
between outside air and
recirculated air.
The air currently in the passenger
compartment recirculates. This may
reduce the time needed to cool the interior,
when used with A/C, and reduce unwanted
odors from entering your vehicle.
Note: Recirculated air may turn off, or
prevent you from switching on, in all air flow
modes except MAX A/C to reduce the risk
of fogging. Recirculation may also turn on
and off in various air distribution control
combinations during hot weather to improve
cooling efficiency.
Switching the Ventilated Seats On
and Off Touch the button to cycle
through the various ventilated
seat settings.
Accessing Rear Climate Controls Touch the button to access
additional controls for the rear
climate system.
Rear Climate Control Lock
Indicator Touch the button.
When on, you can only operate
the rear passenger settings
through the front controls. Switching Rear Auto Mode On and
Off Touch the button to switch on
rear automatic operation, then
set the temperature.
Switching the Rear Climate
Controlled Seats On and Off Touch the button to cycle
through the various climate
controlled seat settings.
Switching the Rear Heated Seats
On and Off Touch the button to cycle
through the various heat
settings.
Switching the Rear Ventilated
Seats On and Off Touch the button to cycle
through the various ventilated
seat settings.
PHONE WARNING: Driving while distracted
can result in loss of vehicle control, crash
and injury. We strongly recommend that
you use extreme caution when using any
device that may take your focus off the
road. Your primary responsibility is the
safe operation of your vehicle. We
recommend against the use of any
hand-held device while driving and
encourage the use of voice-operated
systems when possible. Make sure you
are aware of all applicable local laws
that may affect the use of electronic
devices while driving.
533
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- SYNC™ 3
(If Equipped) E268558 E270447 E265289 E265282 E268558

Check Every Month
Air filter restriction gauge. 1
Engine oil level.
Function of all interior and exterior lights.
Tires including the spare for wear and proper pressure. Windshield washer fluid level.
Fuel and water separator. Drain if necessary or if indicated by the information display. 1
Holes and slots in the tail pipe to make sure they are functional and clear of debris. 1
1 Diesel vehicles only. Check Every Six Months
Battery connections. Clean if necessary.
Body and door drain holes for obstructions. Clean if necessary. Cooling system fluid level and coolant strength.
Door weatherstrips for wear. Lubricate if necessary.
Hinges, latches and outside locks for proper operation. Lubricate if necessary. Parking brake for proper operation.
Safety belts and seat latches for wear and function.
Safety warning lamps, brake, ABS, airbag and safety belt for operation.
Washer spray and wiper operation. Clean or replace blades as necessary.
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Scheduled Maintenance

Result
Engine Air Filter Status
Message
Indicates the engine air filter is performing as expected.
Filter OK
Indicates that there is a higher than expected restriction
across the engine air filter, which could represent an air filter at full useful life or a filter with an obstruction.
Check filter
1
When this displays, inspect the engine air filter and replace if necessary.
After the inspection or engine air filter replacement, you must reset the system in order to change the status from Check Filter to Filter OK.
Indicates that there is an error within the electronic air filter maintenance minder system requiring service.
System fault
1 Reset the engine air filter information monitor after you replace the air filter.
Normal Maintenance Intervals At Every Oil Change Interval as Indicated by the Information Display
1
Change the engine oil and filter. 2
Fuel and water separator. Drain if necessary or if indicated by the information display.
Refill the diesel exhaust fluid tank.
Rotate the tires, inspect the tires for wear and measure the tread depth. 4
Perform a multi-point inspection, recommended.
Inspect the air filter restriction gauge. Replace the air filter if necessary. 3
Inspect the brake pads, shoes, rotors, drums, brake linings, hoses and the parking brake.
Inspect the engine and secondary cooling system coolant concentration freeze-point
protection, level and the hoses.
Inspect the exhaust system and heat shields.
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Scheduled Maintenance

At Every Oil Change Interval as Indicated by the Information Display
1
Inspect the front axle and U-joints. Lubricate any grease fittings. Four-wheel drive
vehicles.
Inspect the steering linkage, ball joints, suspension, tie-rod ends, driveshaft and the U-
joints. Lubricate any grease fittings.
1 Do not exceed one year/10,000 mi (16,000 km) or 350 engine hours between service
intervals.
2 Reset the Intelligent Oil-Life Monitor after engine oil and filter changes.
3 Reset the engine air filter information monitor after you replace the air filter.
4 Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear. 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. 2
Every
30,000 mi
(48,000 km) Replace the engine-mounted and frame-mounted fuel filters.
Inspect the engine and secondary cooling system coolant
concentration freeze-point protection, additive corrosion
inhibitor strength, coolant level, and hoses. Add coolant
additive if necessary.
Replace the engine air inlet foam filter.
Every
50,000 mi
(80,000 km)
Replace the front wheel bearing grease and grease seal if
using non-sealed bearings. Two-wheel drive vehicles.
Every
60,000 mi
(96,000 km)
Inspect the accessory drive belt or belts. 3
At
90,000 mi
(144,000 km)
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Scheduled Maintenance

Other Maintenance items
1
Change the automatic transmission fluid and filter. Consult
dealer for requirements.
Every 150,000 mi
(240,000 km) Replace the accessory drive belt or belts if not replaced
within the last 100,000 mi (160,000 km).
Replace the front wheel bearings and seals if using non-
sealed bearings. Two-wheel drive vehicles.
Change the axle(s) fluid. See exceptions.
Change the transfer case fluid, if equipped.
Change the engine and secondary cooling system coolant. 4
At
200,000 mi
(320,000 km)
1 You can perform these maintenance items within
3,000 mi (4,800 km) of the last oil
change. Do not exceed the designated distance for the interval.
2 Reset the engine air filter information monitor after you replace the air filter.
3 Perform follow-up inspections every 15,000 mi (24,000 km) after the initial inspection.
Replace the belt or belts at
150,000 mi (240,000 km).
4 Initial replacement at 10 years or 200,000 mi (320,000 km), then every 5 years or
100,000 mi (160,000 km).
SPECIAL OPERATING
CONDITIONS SCHEDULED
MAINTENANCE
Gasoline Engine
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.
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Scheduled Maintenance

Switching Maximum Air Conditioning On
and Off.............................................................. 532
Switching Maximum Defrost On and Off....................................................................... 532
Switching Rear Auto Mode On and Off....................................................................... 533
Switching Recirculated Air On and Off....................................................................... 533
Switching the Air Conditioning On and Off........................................................................\
531
Switching the Climate Controlled Seats On and Off.............................................................. 532
Switching the Climate Control On and Off....................................................................... 532
Switching the Heated Exterior Mirrors On and Off.............................................................. 532
Switching the Heated Rear Window On and Off....................................................................... 532
Switching the Heated Seats On and Off....................................................................... 532
Switching the Heated Steering Wheel On and Off.............................................................. 532
Switching the Heated Windshield On and Off....................................................................... 532
Switching the Rear Climate Controlled Seats On and Off.......................................... 533
Switching the Rear Heated Seats On and Off....................................................................... 533
Switching the Rear Ventilated Seats On and Off.............................................................. 533
Switching the Ventilated Seats On and Off....................................................................... 533
Climate Control.............................................143 Auto Mode............................................................. 145
Climate Control – Troubleshooting.............146
Climate Control – Troubleshooting.........................................146
Climate Control – Frequently Asked
Questions......................................................... 146
Connected Vehicle
......................................474
Connecting the Vehicle to a Mobile
Network............................................................ 474
Connected Vehicle Limitations
...............474
Connected Vehicle Requirements.........474
Connected Vehicle – Troubleshooting - Vehicles With: Modem............................475
Connected Vehicle – Troubleshooting - Vehicles With: SYNC/SYNC 3..............476 Connecting the Vehicle to a Mobile
Network........................................................474
Connecting FordPass to the Modem..........474
Enabling and Disabling the Modem...........474
What Is the Modem.......................................... 474
Connecting the Vehicle to a Wi-Fi Network........................................................474
Coolant Check See: Engine Coolant Check - 6.2L...............364
See: Engine Coolant Check - 6.7L
Diesel................................................................ 368
See: Engine Coolant Check - 7.3L.................371
Cooling System Capacity and Specification - 6.2L..................................455
Cooling System Capacity and Specification - 6.7L Diesel....................456
Cooling System Capacity and Specification - 7.3L..................................456
Crash Sensors and Airbag Indicator........53
Creating a MyKey
............................................62
Programming or Changing Configurable
Settings............................................................... 63
Creating a Vehicle Wi-Fi Hotspot..........478 Connecting a Device to the Wi-Fi
Hotspot............................................................. 478
Finding the Wi-Fi Hotspot Name and Password......................................................... 478
Cross Traffic Alert........................................259 Cross Traffic Alert Behavior When Trailer
is Attached....................................................... 261
Cross Traffic Alert Indicator............................ 261
Cross Traffic Alert Information Messages.......................................................... 261
Cross Traffic Alert System Limitations...................................................... 260
Cross Traffic Alert System Sensors............260
Switching the System On and Off...............261
Using Cross Traffic Alert.................................. 259
Cruise Control................................................242
Cruise Control Indicators
..........................243
Cruise Control - Vehicles With: Adaptive Cruise Control
...............................................82
Cruise Control - Vehicles With: Cruise Control.............................................................82
Customer Assistance.................................332
Customer Information
...............................584
Radio Frequency Certification
Labels............................................................... 584
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Index