2021 LINCOLN NAVIGATOR engine

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Page 387 of 639

LINCOLN NAVIGATOR 2021  Owners Manual Adding Coolant
WARNING: Do not remove the
coolant reservoir cap when the engine is
on or the cooling system is hot. Wait 10
minutes for the cooling system to cool
down. Cover the coolant reservoir cap

Page 388 of 639

LINCOLN NAVIGATOR 2021  Owners Manual If you have to add more than 1.1 qt (1 L) of
engine coolant per month, have your vehicle
checked as soon as possible. Operating an
engine with a low level of coolant can result
in engine overheating a

Page 389 of 639

LINCOLN NAVIGATOR 2021  Owners Manual Coolant Change
At specific mileage intervals, as listed in the
scheduled maintenance information, the
coolant should be changed. Add prediluted
coolant approved to the correct specification.
See Capac

Page 390 of 639

LINCOLN NAVIGATOR 2021  Owners Manual Your vehicle has limited engine power when
in the fail-safe mode, drive your vehicle with
caution. Your vehicle does not maintain
high-speed operation and the engine may
operate poorly.
Remember that

Page 391 of 639

LINCOLN NAVIGATOR 2021  Owners Manual 2. Leave the engine running until the
coolant temperature gauge needle
returns to the normal position.  If the
temperature does not drop after several
minutes, follow the remaining steps.
3. Switch th

Page 394 of 639

LINCOLN NAVIGATOR 2021  Owners Manual WARNING: This vehicle may have
more than one battery. Removing the
battery cables from only one battery does
not disconnect your vehicle electrical
system. Make sure you disconnect the
battery cables

Page 399 of 639

LINCOLN NAVIGATOR 2021  Owners Manual GENERAL INFORMATION
Your dealer has many quality products
available to clean your vehicle and protect
its finishes.
CLEANING PRODUCTS
Materials
For best results, use the following products
or products

Page 402 of 639

LINCOLN NAVIGATOR 2021  Owners Manual •
Do not allow wax to come in contact with
any non-body (low-gloss black) colored
trim. The wax will discolor or stain the
parts over time.
•Roof racks.
• Bumpers.
• Grained door handles.
•