check engine LINCOLN NAUTILUS 2020 Owners Manual

Brakes
General Information
...................................204
Hints on Driving With Anti-Lock Brakes ......................................................................
205
Electric Parking Brake ...............................
205
Hill Start Assist .............................................
207
Auto Hold ......................................................
208
Traction Control
Principle of Operation .................................
210
Using Traction Control ................................
210
Stability Control
Principle of Operation ..................................
211
Using Stability Control ................................
212
Parking Aids
Principle of Operation .................................
214
Rear Parking Aid ...........................................
214
Front Parking Aid .........................................
216
Side Sensing System ..................................
218
Active Park Assist .......................................
220
Rear View Camera ......................................
228360 Degree Camera
...................................
231
Cruise Control
What Is Cruise Control ...............................
234
Switching Cruise Control On and Off .....
234
Setting the Cruise Control Speed ...........
234
Canceling the Set Speed ..........................
235
Resuming the Set Speed ..........................
235
Cruise Control Indicators ..........................
235
Using Adaptive Cruise Control - Vehicles With: Adaptive Cruise Control With Lane
Centering ..................................................
235
Driving Aids
Driver Alert ....................................................
246
Lane Keeping System ................................
247
Blind Spot Information System ................
253
Cross Traffic Alert ........................................
255
Steering .........................................................
260
Pre-Collision Assist ......................................
261
Drive Control ................................................
267Load Carrying
Rear Under Floor Storage
.........................
270
Cargo Nets ....................................................
270
Luggage Covers ...........................................
271
Roof Racks and Load Carriers .................
272
Load Limit ......................................................
273
Towing
Towing a Trailer ............................................
278
Trailer Sway Control ...................................
279
Recommended Towing Weights .............
279
Essential Towing Checks ...........................
281
Towing the Vehicle on Four Wheels - 2.0L ......................................................................
283
Towing the Vehicle on Four Wheels - 2.7L ......................................................................
283
Driving Hints
Breaking-In ...................................................
285
Reduced Engine Performance ................
285
Economical Driving .....................................
285
Cold Weather Precautions ........................
286
Driving Through Water ..............................
286
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Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 201907, First-Printing Table of Contents

Floor Mats
.....................................................287
Roadside Emergencies
Roadside Assistance ..................................
288
Hazard Flashers ..........................................
289
Fuel Shutoff ..................................................
289
Jump Starting the Vehicle ........................
290
Post-Crash Alert System ...........................
292
Transporting the Vehicle ...........................
293
Customer Assistance
Getting the Services You Need ...............
294
In California (U.S. Only) ..............................
295
The Better Business Bureau (BBB) Auto Line Program (U.S. Only) .......................
296
Utilizing the Mediation/Arbitration Program (Canada Only) ..........................................
297
Getting Assistance Outside the U.S. and Canada ......................................................
298
Ordering Additional Owner's Literature ......................................................................
300
Reporting Safety Defects (U.S. Only) ......
301
Reporting Safety Defects (Canada Only) .......................................................................
301 Fuses
Fuse Specification Chart
...........................
303
Changing a Fuse ..........................................
319
Maintenance
General Information ....................................
322
Opening and Closing the Hood ..............
322
Under Hood Overview - 2.0L ...................
324
Under Hood Overview - 2.7L ...................
325
Engine Oil Dipstick ......................................
327
Engine Oil Check .........................................
327
Oil Change Indicator Reset ......................
328
Engine Coolant Check ...............................
329
Automatic Transmission Fluid Check ......
333
Brake Fluid Check .......................................
334
Washer Fluid Check ...................................
335
Fuel Filter .......................................................
335
Changing the 12V Battery .........................
335
Checking the Wiper Blades ......................
337
Changing the Wiper Blades ......................
337
Adjusting the Headlamps ..........................
338
Changing a Bulb ..........................................
340
Changing the Engine Air Filter - 2.0L .....
340Changing the Engine Air Filter - 2.7L
......
341
Vehicle Care
General Information ....................................
343
Cleaning Products .......................................
343
Cleaning the Exterior ..................................
344
Waxing ...........................................................
345
Cleaning the Engine ...................................
346
Cleaning the Windows and Wiper Blades ......................................................................
346
Cleaning the Interior ...................................
347
Cleaning the Instrument Panel and Instrument Cluster Lens ........................
349
Cleaning Leather Seats .............................
349
Repairing Minor Paint Damage ...............
350
Cleaning the Wheels ..................................
350
Vehicle Storage ............................................
351
Body Styling Kits ..........................................
353
Wheels and Tires
General Information ....................................
354
Tire Care ........................................................
356
Using Snow Chains .....................................
370
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Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 201907, First-Printing Table of Contents

Anti-lock braking system
Avoid smoking, flames or sparks
Battery
Battery acid
Brake fluid - non petroleum based
Brake system
Brake system
Cabin air filter
Check fuel cap Child safety door lock or unlock
Child seat lower anchor
Child seat tether anchor
Cruise control
Do not open when hot
Engine air filter
Engine coolant
Engine coolant temperature
Engine oil Explosive gas
Fan warning
Fasten seatbelt
Flammable
Front airbag
Front fog lamps
Fuel pump reset
Fuse compartment
Hazard flashers
Heated rear window
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Indicates engine coolant temperature. At
normal operating temperature, the level
indicator will be in the normal range. If the
engine coolant temperature exceeds the
normal range, stop your vehicle as soon as
safely possible, switch off the engine and let
the engine cool.
WARNING LAMPS AND
INDICATORS
The following warning lamps and indicators
alert you to a vehicle condition that may
become serious. Some lamps illuminate
when you start your vehicle to make sure
they work. If any lamps remain on after
starting your vehicle, refer to the respective
system warning lamp for further information.
Note:
Some warning indicators appear in
the information display and operate the
same as a warning lamp but do not
illuminate when you start your vehicle. Adaptive Cruise Control Indicator (If
Equipped) It illuminates when you switch the
system on.
It illuminates white when the
system is in standby mode. It illuminates
green when you set the adaptive cruise
speed.
See
Using Adaptive Cruise Control (page
235).
Adaptive Steering
(If Equipped) The adaptive steering system
indicator illuminates if the system
detects a fault during the
continuous diagnostic checks.
Adaptive Steering Initialization (yellow,
flashing): The adaptive steering system has
detected a difference between steering
wheel angle and the desired road wheel
angle. The steering wheel adjusts itself to
correct this difference. This adjustment is
part of normal system operation. Adaptive Steering Off (yellow, solid): The
adaptive steering system is off. It is possible
that the steering wheel may not be straight
when the vehicle is driving straight ahead. If
this message persists, see an authorized
dealer.
Adaptive Steering Loss (red, solid): The
adaptive steering system integrity cannot be
verified. Do not drive the vehicle and contact
an authorized dealer immediately.
See
Steering (page 260).
Airbag Warning Lamp If it does not illuminate when you
switch the ignition on, continues
to flash or remains on when the
engine is running, this indicates a
malfunction. Have your vehicle checked as
soon as possible.
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Anti-Lock Brake System Warning Lamp
If it illuminates when you are
driving, this indicates a
malfunction. Your vehicle
continues to have normal braking without
the anti-lock brake system function. Have
your vehicle checked as soon as possible.
Auto Hold Active It illuminates when the system
holds your vehicle stationary.
Auto Hold Unavailable It illuminates when the system is
on, but unavailable to hold your
vehicle stationary.
Automatic High Beam Control It illuminates when the system
turns the headlamp high beam on.
See What Is Automatic High
Beam Control (page 101). Auto Start-Stop
(If Equipped) It illuminates to inform you when
the engine shuts down or in
conjunction with a message.
Battery If it illuminates while driving, it
indicates a malfunction. Switch off
all unnecessary electrical
equipment and have the system checked by
an authorized dealer immediately.
Blind Spot Information System
Indicator
(If Equipped) It illuminates when you switch the
system off.
See
Blind Spot Information
System (page 253). Brake System Warning Lamp WARNING: Driving your vehicle with
the warning lamp on is dangerous. A
significant decrease in braking
performance may occur. It may take you
longer to stop your vehicle. Have your
vehicle checked as soon as possible.
Driving extended distances with the
parking brake engaged can cause brake
failure and the risk of personal injury.
Note: Indicators vary depending on region.
This lamp is a dual function lamp and will
illuminate when:
• You apply the parking brake with the
ignition on.
• Your vehicle has a brake fault or low
brake fluid level, regardless of parking
brake position.
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If the lamp illuminates when you
are moving, you may have the
parking brake applied. Make sure
the parking brake is off. Have your
vehicle checked as soon as
possible if the lamp continues to
illuminate.
Cruise Control Indicator It illuminates when you switch the
system on.
See What Is Cruise Control (page
234).
Direction Indicator Illuminates when you switch the
left or right direction indicator or
the hazard warning flasher on.
Flashes during operation. An increase in the
rate of flashing warns of a failed indicator
bulb. Door Ajar Displays when the ignition is on
and any door is not completely
closed.
Electric Park Brake It illuminates or flashes when the
electric parking brake has a
malfunction.
See Electric Parking
Brake (page 205).
Engine Coolant Temperature Warning
Lamp If it illuminates when your vehicle
is moving, this indicates that the
engine is overheating. Stop your
vehicle as soon as it is safe to do so and
switch the engine off. Have your vehicle
checked as soon as possible.
Fasten Rear Seatbelt
(If Equipped) Illuminates and a chime sounds to
signal the rear seatbelts are not
buckled.Fasten Seatbelt Warning Lamp It illuminates and a chime sounds
until you fasten the seatbelts.
Front Fog Lamp Indicator
(If Equipped) It illuminates when you switch the
front fog lamps on.
Headlamp High Beam Indicator It illuminates when you switch the
headlamp high beam on.
Hill Start Assist It illuminates when the system is
active.
Hood Ajar Displays when the ignition is on
and the hood is not completely
closed.
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Liftgate Ajar
Illuminates when the liftgate is not
completely closed.
Low Beam Malfunction Warning It will illuminate when there is a
malfunction with the low beam
headlamp bulb.
Low Fuel Level Warning Lamp If it illuminates when you are
driving, refuel as soon as possible.
Low Tire Pressure Warning Lamp It illuminates when your tire
pressure is low. If the lamp remains
on with the engine running or
when driving, check the tire pressure as soon
as possible. It also illuminates momentarily
when you switch the ignition on to confirm
the lamp is functional. If it does not illuminate
when you switch the ignition on, or begins
to flash at any time, have the system checked
by your authorized dealer. Low Washer Fluid Level Warning Lamp It illuminates when the washer fluid
is low.
Oil Pressure Warning Lamp It illuminates when you switch the
ignition on.
If it illuminates when the engine is
running this indicates a malfunction. Stop
your vehicle as soon as it is safe to do so
and switch the engine off. Check the engine
oil level. If the oil level is sufficient, this
indicates a system malfunction. Have your
vehicle checked as soon as possible.
See Engine Oil Check (page 327).
Parking Lamps It illuminates when you switch the
parking lamps on.Powertrain Fault Illuminates when the system
detects a powertrain or an AWD
fault. Contact an authorized dealer
as soon as possible.
Rear Fog Lamp Indicator
(If Equipped) It illuminates when you switch the
rear fog lamps on.
Service Engine Soon If it illuminates when the engine is
running this indicates a
malfunction. The On Board
Diagnostics system has detected a
malfunction of the vehicle emission control
system. If it flashes, engine misfire may be
occurring. Increased exhaust gas
temperatures could damage the catalytic
converter or other vehicle components.
Avoid heavy acceleration and deceleration
and have your vehicle serviced immediately.
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It illuminates when you switch the ignition
on prior to engine start to check the bulb and
to indicate whether your vehicle is ready for
Inspection and Maintenance (I/M) testing.
Normally, it illuminates until the engine is
cranked and automatically turns off if no
malfunctions are present. However, if after
15 seconds it flashes eight times, this
indicates that your vehicle is not ready for
Inspection and Maintenance (I/M) testing.
See Catalytic Converter (page 189).
Stability Control and Traction Control
Indicator Flashes during operation.
If it does not illuminate when you
switch the ignition on, or remains
on when the engine is running, this indicates
a malfunction. Have your vehicle checked
as soon as possible.
Note: The system turns off if there is a
malfunction.
See Using Stability Control (page 212). See
Using Traction Control
(page 210). Stability Control and Traction Control
Off Warning Lamp It illuminates when you switch the
system off.
AUDIBLE WARNINGS AND
INDICATORS
Keyless Warning Alert
The horn will sound twice when you exit your
vehicle with the intelligent access key and
your vehicle is in RUN, indicating your vehicle
is still on.
Headlamps On Warning Chime
Sounds when you have left the headlamps
or parking lamps on and open the driver door
with the vehicle off. Parking Brake On Warning Chime
Sounds when you have left the parking brake
on and drive your vehicle. If the warning
chime remains on after you have released
the parking brake, have the system checked
by your authorized dealer immediately.
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Battery and Charging System
Action
Message
The charging system needs servicing. If the warning stays on or continue\
s to come on, contactan authorized dealer as soon as possible.
Check Charging System
The charging system needs servicing. If the warning stays on or continue\
s to come on, contactan authorized dealer as soon as possible.
Charging System Service Soon
The charging system needs servicing. Contact an authorized dealer as soo\
n as possible.
Charging System Service Now
The battery management system determines that the 12V battery is at a lo\
w state of charge.
Start the engine to charge the battery or charge the battery using an aft\
ermarket battery charger.
This message clears once you restart your vehicle and the battery state \
of charge has recovered.
Battery State of Charge Low
The battery management system determines that the battery is at a low st\
ate of charge. Turn
the ignition off as soon as possible to protect the battery. This message will clear once the vehicle
has been started and the battery state of charge has recovered. Turning off unnecessary electrical loads will allow faster battery state-of-charge recovery.
Turn Power Off To Save Battery
Displayed when the battery management system detects an extended low-vol\
tage condition.Various vehicle features will be disabled to help preserve the battery. Turn off as many of the electrical loads as soon as possible to improve system voltage. If the system voltage has recovered, the disabled features will operate again as normal.
Low Battery Features Temporarily Turned
Off
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Fuel
Action
Message
An early reminder of a low fuel condition.
Fuel Level Low
The fuel fill inlet may not be properly closed.
Check Fuel Fill Inlet
Hill Start Assist Action
Message
Displays when hill start assist is not available. Contact your authorized dealer. See Hill Start
Assist (page 207).
Hill Start Assist Not Available
Keys and Intelligent Access Action
Message
A reminder to press the brake while starting your vehicle.
To START Press Brake
The system does not detect the key.
See Keyless Starting (page 172).
No Key Detected
The Start Stop button is pressed to shut off the engine and an Intelligent Access k\
ey is notdetected inside your vehicle.
Restart Now or Key is Needed
Your vehicle is in the accessory ignition state.
Full Accessory Power Active
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