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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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
Electric Parking Brake..................................221
Electric Parking Brake –
Troubleshooting.............................................222
Electric Parking Brake – Troubleshooting.........................................222
Electric Parking Brake – Information
Messages.........................................................223
Electric Parking Brake – Warning Lamps...............................................................222
Electric Power Steering..............................232 Electric Power Steering Precautions.............232
Electromagnetic Compatibility..................548
Emergency Call Limitations..........................74
Emergency Call Requirements
....................73
Emergency Call System Data......................26
Emergency Towing
.......................................315
Emission Law.................................................546 Noise Emissions Warranty, Prohibited
Tampering Acts and Maintenance.............547
Tampering With a Noise Control System..............................................................547
Enabling Apps on an Android Device...........................................................444
Enabling Apps on an iOS Device.............444
Enabling or Disabling Personal Profiles..........................................................447
Enabling Remote Start..................................151 End User License Agreement
....................516
VEHICLE SOFTWARE END USER LICENSE
AGREEMENT (EULA) .....................................
516
Engine Block Heater....................................188 Engine Block Heater Precautions...................188
How Does the Engine Block Heater
Work...................................................................188
Using the Engine Block Heater.......................189
Engine Oil Capacity and Specification - 2.0L...............................................................402
Alternative Engine Oil for Extremely Cold Climates............................................................403
Engine Oil Capacity and Specification - 2.7L................................................................404
Alternative Engine Oil for Extremely Cold Climates...........................................................406
Engine Oil
.......................................................338
Adding Engine Oil..............................................338
Checking the Engine Oil Level.......................338
Engine Oil Capacity and Specification..........339
Engine Oil Dipstick Overview..........................338
Resetting the Engine Oil Change
Reminder..........................................................339
Engine Specifications - 2.0L......................398
Engine Specifications - 2.7L......................399
Entering a Parallel Parking Space............247
Entering a Perpendicular Parking Space............................................................247 Evasive Steering Assist...............................284
Evasive Steering Assist Limitations...............284
Switching Evasive Steering Assist On and
Off......................................................................284
What Is Evasive Steering Assist......................284
Event Data
........................................................24
Exiting a Parking Space..............................248
Extending the Remote Start Duration........................................................152
Exterior Bulbs
................................................350
Changing a Front Turn Signal Lamp
Bulb...................................................................352
Changing a License Plate Lamp Bulb...........353
Exterior Bulb Specification Chart...................350
Removing a Headlamp Assembly..................352
Exterior Lamps................................................121 Exterior Lamp Audible Warning.......................122
Exterior Lamp Indicators....................................122
Switching the Daytime Running Lamps On
and Off................................................................121
Switching the Front Fog Lamps On and Off.......................................................................122
Switching the Turn Signal Lamps On and Off........................................................................\
121
Switching Welcome Lighting On and Off.......................................................................122
Exterior Lighting Control
..............................119
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2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Index
Manual Seats..................................................165
Adjusting the Head Restraint...........................165
Folding the Seat Backrest.................................166
Head Restraint Components............................165
Installing the Head Restraint............................166
Removing the Head Restraint..........................165
Unfolding the Seat Backrest............................166
Massage Seats...............................................163 Adjusting the Massage Seat Settings............163
Massage Seat Limitations.................................163
Memory Function............................................171
Memory Function Precautions....................171
Mislock
................................................................91
Mislock Limitations................................................91
Switching Mislock On and Off............................
91
What Is Mislock.......................................................91
Mobile Communications Equipment
........515
Mobile Device Data........................................25
Moonroof Bounce-Back..............................136 Overriding Moonroof Bounce-Back...............136
What Is Moonroof Bounce-Back.....................
136
Moonroof.........................................................135 Moonroof Bounce-Back.....................................136
Motorcraft Parts - 2.0L................................400
Motorcraft Parts - 2.7L..................................401
Muting the Audio..........................................424
MyKey – Troubleshooting.............................87 MyKey™..............................................................84
Principle of Operation..........................................84
N
Navigation Map Updates...........................449
Navigation......................................................449 Adjusting the Map..............................................449
Live Traffic............................................................449
Route Guidance...................................................451
Setting a Destination.........................................449
Waypoints.............................................................450
Normal Scheduled Maintenance ..............
463
Normal Maintenance Intervals........................465
Oil Change Reminder........................................463
O
Opening and Closing the Hood...............332 Closing the Hood................................................333
Opening the Hood.............................................332
Opening and Closing the Moonroof........135 Closing the Moonroof........................................135
Opening the Moonroof .....................................135
Opening and Closing the Sun Shade......135 Closing the Sun Shade......................................135
Opening the Sun Shade....................................135 Opening and Closing the Windows
.........129
Accessory Delay..................................................129
One-Touch Close.................................................129
One-Touch Open.................................................129
Opening the Liftgate....................................100 Opening the Hands-Free Liftgate....................101
Opening the Liftgate From Inside Your
Vehicle...............................................................100
Opening the Liftgate From Outside Your Vehicle...............................................................100
Opening the Liftgate Using the Remote Control................................................................101
Operating the Doors From Inside Your Vehicle............................................................90
Individually Unlocking and Locking the Doors Using the Locking Button..............................90
Operating the Doors From Outside Your Vehicle............................................................89
Individually Unlocking and Locking the Doors Using the Key Blade........................................89
Unlocking and Locking the Doors Using the Key Blade...........................................................89
Unlocking and Locking the Doors Using the Remote Control.................................................89
Ordering a Canadian French Owner's Manual..........................................................474
Overriding the Set Speed
..........................259
566
2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Index