Page 364 of 419

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.
Perform the services shown in the following
tables when specified or within 3,000 mi
(4,800 km) of the message appearing in the
information display prompting you to change
your oil. •
Example 1
: The message comes on at
28,751 mi (46,270 km). Perform the
30,000 mi (48,000 km) automatic
transmission fluid replacement.
• Example 2
: The message has not come
on, but the odometer reads 30,000 mi
(48,000 km) (for example, the Intelligent
Oil-Life Monitor was reset at 25,000 mi
(40,000 km)). Perform the engine air filter
replacement. 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 and lubricate U-joints (if equipped with grease fittings).
Inspect frequently, service
as required
See axle maintenance items under
Exceptions.
Change transfer case fluid (Four-wheel drive vehicles).
Every
60,000 mi
(96,000 km) Replace spark plugs.
361
Navigator (TB5) Canada/United States of America, enUSA, First Printing Scheduled Maintenance
Page 365 of 419

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 engine air filter.
Inspect frequently, service
as required
Change transfer case fluid (Four-wheel drive vehicles).
Every 60,000 mi
(96,000 km) Replace spark plugs. Operating in dusty or sandy conditions (such as unpaved or dusty roads)\
Replace engine air filter.
Inspect frequently, service
as required
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 six months
Change transfer case fluid (Four-wheel drive vehicles).
Every
60,000 mi
(96,000 km)
* Reset your Intelligent Oil-Life Monitor after each engine oil and filter \
change.
362
Navigator (TB5) Canada/United States of America, enUSA, First Printing Scheduled Maintenance
Page 366 of 419

Off-road operation
Inspect steering linkage, ball joints and U-joints. Lubricate if equipped with grease fittings.
Inspect frequently, service
as required
Replace engine air filter.
Change engine oil and filter.*
Every 5,000 mi (8,000 km)
or six months
Inspect the wheels and related components for abnormal noise, wear, looseness or drag.
Rotate tires, inspect tires for wear and measure tread depth.
Replace front wheel bearing grease and grease seals if non-sealed bearing\
s are used (Two-wheel drive
vehicles).
Every
30,000 mi
(48,000 km)
Change transfer case fluid (Four-wheel drive vehicles).
Every
60,000 mi
(96,000 km)
* Reset your Intelligent Oil-Life Monitor after each engine oil and filter \
change.
Exceptions
There are several exceptions to the Normal
Schedule. Normal Vehicle Axle Maintenance
Rear axles and power take-off units with
synthetic fluid and light-duty trucks equipped
with Ford-design axles are lubricated for life;
do not check or change fluid unless a leak
is suspected, service is required or the
assembly has been submerged in water.
During long periods of trailer towing with
363
Navigator (TB5) Canada/United States of America, enUSA, First Printing Scheduled Maintenance
Page 413 of 419

K
Keyless Entry....................................................70
SECURICODE™ KEYLESS ENTRY
KEYPAD...............................................................70
Unlocking and Locking the Doors.....................71
Keyless Starting.............................................156 Ignition Modes.....................................................156
Keys and Remote Controls...........................49
L
Lighting Control
...............................................87
Headlamp Flasher................................................88
High Beams............................................................88
Lighting
..............................................................87
General Information..............................................87
Limited Slip Differential
................................183
Lincoln Automotive Financial Services.......11
Load Carriers See: Roof Racks and Load Carriers................213
Load Carrying.................................................212
Load Limit
........................................................214
Special Loading Instructions for Owners of
Pick-up Trucks and Utility-type
Vehicles.............................................................221
Vehicle Loading - with and without a Trailer.................................................................214 Locking and Unlocking
.................................63
Activating Intelligent Access..............................64
Autolock..................................................................65
Auto Relock............................................................65
Autounlock.............................................................65
Battery Saver.........................................................66
Illuminated Entry...................................................66
Illuminated Exit......................................................66
Power Door Locks................................................63
Remote Control.....................................................63
Smart Unlocks for Intelligent Access
Keys.....................................................................64
Locks..................................................................63
Lug Nuts See: Changing a Road Wheel.........................320
M
Maintenance..................................................264 General Information...........................................264
Media Hub
......................................................347
Memory Function..........................................135
Easy Entry and Exit Feature..............................137
Saving a PreSet Position...................................136
Message Center See: Information Displays.................................105 Mirrors
See: Heated Windows and Mirrors.................130
See: Windows and Mirrors.................................93
Mobile Communications Equipment...........13
Moonroof...........................................................97 Bounce-Back..........................................................98
Opening and Closing the Moonroof................97
Venting the Moonroof.........................................98
Motorcraft Parts
............................................329
MyKey Troubleshooting................................60
MyKey™..............................................................54 Principle of Operation..........................................54
N
Normal Scheduled Maintenance..............357 Intelligent Oil-Life Monitor................................
357
Normal Maintenance Intervals........................359
O
Oil Change Indicator Reset.......................269
Oil Check See: Engine Oil Check......................................268
Opening and Closing the Hood
...............264
Ordering Additional Owner's Literature
.....................................................248
Obtaining a French Owner’ s Manual............248
410
Navigator (TB5) Canada/United States of America, enUSA, First Printing Index