
Other maintenance items1
Every 30000 miles
(48000 km)Replace climate-controlled (heated and
cooled) seat filter (if equipped).
Replace engine air filter.
At 100000 miles
(160000 km) Change engine coolant.
2
Every 100000 miles
(160000 km)Replace spark plugs.
Inspect accessory drive belt(s).3
Every 150000 miles
(240000 km)Change automatic transmission fluid and filter.
Change front axle fluid (Four-wheel drive
vehicles).
Change rear axle fluid.
Change transfer case fluid (Four-wheel drive
vehicles).
Replace accessory drive belt(s) if not replaced
within the last 100000 miles (160000 km).
1These maintenance items can be performed within 3000 miles
(4800 kilometers) of the last oil change. Do not exceed the designated
distance for the interval.
2Initial replacement at six years or 100000 miles (160000 kilometers),
then every three years or 50000 miles (80000 kilometers).
3After initial inspection, inspect every other oil change until replaced.
Scheduled Maintenance 457
2015 Navigator(nav)
Owners Guide gf, 2nd Printing, December 2014
USA (fus)

SPECIAL OPERATING CONDITIONS
If you operate your vehicleprimarilyin any of the following conditions,
you need to perform additional maintenance as indicated. If you
occasionally operate your vehicle under any of these conditions, it is
not necessary to perform the additional maintenance. For specific
recommendations, see your dealership service advisor or technician.
Perform the services shown in the following tables when specified or
within 3000 miles (4800 kilometers) of the OIL CHANGE REQUIRED
message appearing in the information display.
Example #1: The OIL CHANGE REQUIRED message comes on at
28751 miles (46270 kilometers); perform the 30000 mile (48000
kilometer) automatic transmission fluid replacement.
Example #2: The OIL CHANGE REQUIRED message has notcome on,
but the odometer reads 30000 miles (48000 kilometers); perform the
engine air filter replacement. (i.e., Intelligent Oil-Life Monitor was reset
at 25000 miles [40000 kilometers].)
Towing a trailer or using a camper or car-top carrier
As required Change engine oil and filter as indicated by the information display and perform services
listed in the Normal Scheduled Maintenance
chart.
Inspect frequently,
service as required Inspect and lubricate U-joints.
See axle maintenance items under
Exceptions.
Every 60000 miles
(96000 km) Change transfer case fluid (Four–wheel drive
vehicles).
Scheduled Maintenance
461
2015 Navigator(nav)
Owners Guide gf, 2nd Printing, December 2014
USA (fus)

911 Assist™ ..............................398
A
ABS (see Brakes) .....................187
Accessing and using your USB
port ............................................378
Accessing your calendar ..........398
Accessory delay ..........................94
Adding (pairing) a phone ........385
Airbag supplemental restraint
system ..........................................45and child safety seats ..............47
description ................................45
disposal ......................................52
driver airbag ..............................45
passenger airbag .......................45
side airbag ...........................45, 47
Air cleaner filter .......276–277, 333
Air filter .............................277, 333
All Wheel Drive (AWD),
driving off road .........................179
Ambient mood/lighting .............405
Ambulance packages ..................14
AM/FM .......................................366
Antifreeze
(see Engine coolant) ................267
Anti-lock brake system
(see Brakes) ..............................187
Anti-theft system ..................76–77 arming the system ..............76–77
disarming a triggered system ..77
Audio system Single CD ................................343 Audio system (see Radio) .......343
Automatic transmission
driving an automatic
overdrive .................................172
fluid, adding ............................271
fluid, checking ........................271
fluid, refill capacities ..............328
fluid, specification ..................328
Selectshift (SST) ....................175
Auxiliary Input Jack .................375
Auxiliary powerpoint ................152
A/V inputs ..........................351, 382
Axle lubricant specifications ..........328
refill capacities ........................328
B
Battery .......................................273 acid, treating emergencies .....273
jumping a disabled battery ....244
maintenance-free ....................273
replacement, specifications ...333
servicing ..................................273
Blind Spot Information
System .......................................205
Booster seats ...............................30
Brakes ........................................187 anti-lock ...................................187
anti-lock brake system (ABS)
warning light ...........................187
brake warning light ................187
fluid, checking and adding ....272
fluid, refill capacities ..............328
fluid, specifications .................328
lubricant specifications ..........328
parking ....................................188
shift interlock ..........................176
trailer .......................................231
468 Index
2015 Navigator(nav)
Owners Guide gf, 2nd Printing, December 2014
USA (fus)

C
Capacities for refilling fluids ....328
Cargo management system ......220
CD ..............................................343
CD player ..........................341, 377
CD voice commands .................377
Cell phone use ............................14
Changing a tire .........................318
Changing the air filter ..............277
Child safety seatsautomatic locking mode
(retractor) .................................37
LATCH .......................................22
Child safety seats - booster
seats .............................................30
Cleaning the touchscreen ........356
Cleaning your vehicle ...............284 engine compartment ..............286
instrument panel ....................289
interior .............................288–289
plastic parts ............................285
washing ....................................284
waxing .....................................286
wheels ......................................291
wiper blades ............................287
Climate voice commands .........417
Clock ..........................................403
Console overhead ......................96–97, 155
Controls power seat ...............................131
Coolant ......................................267 checking and adding ..............267
refill capacities ........................328
specifications ..........................328
Cross Traffic Alert ....................205 Cruise control ...........................203
Customer Assistance ................241
Ford Extended Service
Plan ..........................................338
Getting roadside assistance ...241
Getting the service you
need .........................................247
Ordering additional owner’s
literature .................................253
Utilizing the
Mediation/Arbitration
Program ...................................251
D
Daytime running lamps
(see Lamps) ................................89
Defrost .......................................122 rear window ............................126
Dipstick automatic transmission
fluid ..........................................271
engine oil .................................266
Display settings .........................404
Driving under special
conditions ..................178, 182, 184 sand .........................................183
snow and ice ...........................185
through water .................183, 238
Dual automatic temperature
control (DATC) .........................122
E
Electronic stability control ......192
Emergencies, roadside jump-starting ..........................244
running out of fuel .................164
Emission control system ..........169
End user license agreement ....431
Index 469
2015 Navigator(nav)
Owners Guide gf, 2nd Printing, December 2014
USA (fus)

SYNC® customer support ........356
SYNC® Services ........................391
System settings .........................406
T
Temperature control
(see Climate control) .......122, 415
Text messaging .........................387
Third-row power fold seat .......145
Tilt steering wheel ......................79
Tires ...........................297–298, 318alignment ................................311
care ..........................................297
changing ..........................318, 320
checking the pressure ............307
inflating ...................................305
label .........................................304
replacing ..................................309
rotating ....................................312
safety practices .......................311
sidewall information ...............299
snow tires and chains ............312
spare tire .................................318
terminology .............................298
tire grades ...............................298
treadwear ........................298, 307
Touchscreen features
(climate) ....................................415
Towing .......................224, 235–236 recreational towing .................236
trailer towing ..........................224
wrecker ....................................235
Traction control ........................190
Traffic preferences ...................422
Trailer sway control ..................225 Transmission
brake-shift interlock (BSI) ....176
fluid, checking and adding
(automatic) .............................271
fluid, refill capacities ..............328
lubricant specifications ..........328
Turn signal ..................................91
U
USB port ............................351, 378
V
Vehicle health report ................401
Vehicle Identification Number
(VIN) ..........................................333
Vehicle loading ..........................213
Ventilating your vehicle ...........160
Voice recognition ......................361
W
Warning lights (see Lights) .....100
Washer fluid ......................272–273
Water, Driving through .............238
Windows power .........................................93
rear wiper/washer .....................86
Windshield washer fluid and
wipers ..........................................85 checking and adding
fluid ..................................272–273
replacing wiper blades ...........275
Wrecker towing .........................235
474 Index
2015 Navigator(nav)
Owners Guide gf, 2nd Printing, December 2014
USA (fus)