2021 LINCOLN NAUTILUS transmission fluid

Normal Maintenance Intervals
At Every Oil Change Interval as Indicated by the Information Display
1
Change the engine oil and filter. 2
Rotate the tires.
Perform a multi-point inspection, recommended.
Inspect the automatic transmission fluid level. Consult your dealer for \
requirements.
Inspect the brake pads, rotors, hoses and the parking brake.
Inspect the engine coolant level/strength and the hoses.
Inspect the exhaust system and the heat shields.
Inspect the rear axle and U-joints - all wheel drive only.
Inspect the half-shaft boots.
Inspect the steering linkage, ball joints, suspension, tire-rod ends, driveshaft and U-joints.
Inspect the tires, tire wear and measure the tread depth.
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 oil change reminder after engine oil and filter changes.
See Resetting the Engine Oil Change Reminder (page 339).
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2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Scheduled Maintenance

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 belt or belts. 2
Change the automatic transmission fluid.
Every
150,000 mi
(240,000 km) Replace the accessory drive belt or belts. 3
Change the engine coolant. 4
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 If not replaced within the last
100,000 mi (160,000 km).
4 Initial replacement at 10 years or
200,000 mi (320,000 km), then every five years or 100,000 mi (160,000 km).
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2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Scheduled Maintenance

Towing a trailer or using a car-top carrier
Change engine oil and filter as indicated by the information display and\
perform services listed in the Normal
Scheduled Maintenance chart.
As required
Inspect rear axle and U-joints (AWD only).
Inspect frequently, service
as required
Inspect half-shaft boots.
See axle maintenance items under Exceptions.
Change automatic transmission fluid.
Every
30,000 mi
(48,000 km)
Replace spark plugs.
Every
60,000 mi
(96,000 km)
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2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Scheduled Maintenance

Extensive idling or low-speed driving for long distances, as in heavy co\
mmercial use
Change engine oil and filter as indicated by the information display and\
perform services listed in the Normal
Scheduled Maintenance chart.
As required
Replace cabin air filter.
Inspect frequently, service
as required
Replace engine air filter.
Change automatic transmission fluid.
Every 30,000 mi
(48,000 km)
Replace spark plugs.
Every
60,000 mi
(96,000 km) Extended Hot and Cold climate operation
Change engine oil and filter. *
Every
5,000 mi (8,000 km)
* Hot Climates only
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2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Scheduled Maintenance

Operating in off-road (unpaved, sandy, dusty) and Mountainous conditions
Replace cabin air filter.
Inspect frequently, service
as required
Replace engine air filter.
Inspect the wheels and related components for abnormal noise, wear, looseness or drag.
Every 5,000 mi (8,000 km)
Rotate tires, inspect tires for wear and measure tread depth.
Change engine oil and filter. *
Every
5,000 mi (8,000 km)
or 6 months
Perform multi-point inspection.
Change automatic transmission fluid.
Every
30,000 mi
(48,000 km)
* Reset your Intelligent Oil-Life Monitor after engine oil and filter chang\
es.
See Resetting the Engine Oil Change Reminder (page 339).
Exceptions
There are several exceptions to the Normal
Schedule:
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2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Scheduled Maintenance

What Is the 12V Battery Gauge..................139
What Is the 360 Degree Camera.............243
What Is the Cabin Air Filter.........................158
What Is the Catalytic Converter...............204
What Is the Electric Parking Brake...........221
What Is the Engine Coolant Temperature
Gauge............................................................139
What Is the Engine Oil Pressure Gauge............................................................139
What Is the Garage Door Opener.............173 HomeLink Wireless Control System...............173
What Is the Gross Axle Weight Rating...........................................................290
GAWR (Gross Axle Weight Rating)................290
What Is the Gross Combined Weight Rating...........................................................290
What Is the Gross Vehicle Weight Rating...........................................................290
What Is the Keyless Entry Keypad..............95
What Is the Lane Keeping System...........265
What Is the Personal Safety System..........62
What Is the Power Outlet............................180
What is the Rear Occupant Alert System...........................................................169
What Is the Rear View Camera.................240
What Is the Speedometer...........................138
What Is the Tachometer...............................138 What Is the Tire Pressure Monitoring
System..........................................................385
What Is the Tire Sealant and Inflator Kit...................................................................378
What Is the Transmission Fluid Temperature Gauge
...................................139
What Is the Wireless Accessory Charger.........................................................182
What is Voice Interaction
...........................435
Wheel and Tire Information.......................363
Wheel Nuts....................................................396
Window Bounce-Back
..................................130
Overriding Window Bounce-Back..................130
What Is Window Bounce-Back.........................130
Windows..........................................................129 Global Opening and Closing............................
130
Window Bounce-Back........................................130
Wipers and Washers – Troubleshooting...........................................118
Wipers and Washers – Frequently Asked Questions...........................................................118
Wipers and Washers – Warning Lamps..........118
Wipers and Washers
......................................114
Autowipers.............................................................114
Reverse Wipe........................................................115
Washers...................................................................117
Wipers.....................................................................114
Wipers and Washers – Troubleshooting........118 Wipers...............................................................114
Switching Windshield Wipers On and
Off........................................................................\
114
Wiper Precautions................................................114
Wireless Accessory Charger Precautions..................................................182
Wireless Accessory Charger......................182
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2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Index