2021 LINCOLN NAUTILUS Owners Manual

Check Every Month
The tires including the spare for wear and proper pressure. The windshield washer fluid level.
The fuel and water separator. Drain if necessary or if indicated by the information display. 1
The 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
The battery connections. Clean if necessary.
The body and door drain holes for obstructions. Clean if necessary. The cooling system fluid level and the coolant system strength. The door weatherstrips for wear. Lubricate if necessary.
The hinges, latches and outside locks for proper operation. Lubricate if necessary. The parking brake for proper operation.
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2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Scheduled Maintenance

Check Every Six Months
The seatbelts and seat latches for wear and function.
Safety warning lamps, brake, ABS, airbag and seatbelt for operation.
The washer spray and wiper operation. Clean or replace blades as necessa\
ry.
Multi-Point Inspection
It is important to have the systems on your
vehicle regularly checked. 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 belt or belts
Horn operation
Battery performance
Radiator, cooler, heater and air conditioning hoses
Engine air filter
Suspension components for leaks or damage
Exhaust system
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2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Scheduled Maintenance

Multi-Point Inspection
Steering and linkage
Exterior lamps operation
Tires including the spare for wear and proper pressure 2
Fluid levels 1
; fill if necessary
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 has a temporary mobility kit, check the tire sealant exp\
iration 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
Oil Change Reminder
Your vehicle comes with an oil change
reminder that determines when you should
change the engine oil based on how you use
your vehicle.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.
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2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Scheduled Maintenance

When to expect the OIL CHANGE REQUIRED message
Vehicle Use and Example
Interval
Normal
7,500–10,000 mi (12,000–16,000 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
Extreme
3,000–5,000 mi (5,000–8,000 km) Maximum load or towing
Extreme hot or cold operation
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2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Scheduled Maintenance

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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Brake Fluid Maintenance
1
Change the brake fluid. 2
Every 3 Years
1 Perform this maintenance item every 3 years. Do not exceed the designated time for the interval.
2 Brake fluid servicing requires special equipment available at your authorize\
d dealer.
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.
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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