
Off-road operation
Inspect frequently, service as
required– Inspect steering linkage, ball joints and U-joints;
lubricate if equipped with grease fittings
– Replace cabin air filter (if equipped)
– Replace engine air filter
Every 5,000 miles (8,000 km) or
6 months– Change engine oil and filter
– Inspect wheels and related components for abnormal
noise, wear, looseness or drag
– Rotate tires, inspect tires for wear and measure tread
depth
Every 30,000 miles (48,000 km)– Change automatic transmission fluid (except 6R80 and
TorqShifttransmissions)
– Replace front wheel bearing grease/grease seals if
non-sealed bearings are used (2WD vehicles)
Every 50,000 miles (80,000 km)– Change manual transmission fluid
– Change rear axle lubricant (E-450 and F-450/550
only)
Every 60,000 miles (96,000 km)– Change transfer case fluid (4WD vehicles)
Exclusive use of E85 (Flex Fuel Vehicles only)
Every oil change– If ran exclusively on E85, fill the fuel tank full with
regular unleaded fuel.
Scheduled Maintenance Guide
358
2011 Navigator(nav)
Owners Guide, 1st Printing
USA(fus)

LATCH .....................................170
recommendations ...................164
Child safety seats - booster
seats ...........................................177
Cleaning your vehicle
engine compartment ..............289
instrument panel ....................290
interior .............................291–292
plastic parts ............................289
washing ....................................287
waxing .....................................288
wheels ......................................288
wiper blades ............................290
Clock ............................................71
Compass, electronic
set zone adjustment .................25
Console ........................................70
overhead ..............................69–70
Controls
power seat ...............................123
steering column ........................82
Coolant
checking and adding ..............305
refill capacities ................308, 331
specifications ..........................331
Cruise control
(see Speed control) ....................80
Customer Assistance ................253
Ford Extended Service
Plan ..................................340, 343
Getting assistance outside
the U.S. and Canada ..............283
Getting roadside assistance ...253
Getting the service you
need .........................................279
Ordering additional owner’s
literature .................................285Utilizing the
Mediation/Arbitration
Program ...................................283
D
Daytime running lamps
(see Lamps) ................................56
Dipstick
automatic transmission
fluid ..........................................325
engine oil .................................300
Driving under special
conditions ..................237, 247, 250
sand .........................................249
snow and ice ...........................251
through water .................249, 252
E
Electronic message center .........20
Emergencies, roadside
jump-starting ..........................274
running out of fuel .........273, 316
Emission control system ..........321
Engine ................................334–335
cleaning ...................................289
coolant .....................................305
fail-safe cooling .......................309
idle speed control ...................303
lubrication specifications .......331
refill capacities ........................331
service points ..........................297
starting after a collision .........255
Engine block heater .................221
Engine oil ..................................300
checking and adding ..............300
dipstick ....................................300
filter, specifications ........302, 330
recommendations ...................302
Index
365
2011 Navigator(nav)
Owners Guide, 1st Printing
USA(fus)

Power adjustable foot pedals .....78
Power deployable running
boards ..........................................78
Power distribution box
(see Fuses) .......................257, 260
Power door locks ......................103
Power liftgate ..............................90
Power mirrors .............................76
Power point .................................71
Power steering ..........................231
fluid, checking and adding ....324
fluid, refill capacity ................331
fluid, specifications .................331
Power Windows ...........................73
Preparing to drive your
vehicle ........................................233
R
Radio ............................................30
Rear heated seats .....................135
Rear-view camera system .........241
Recommendations for
attaching safety restraints for
children ......................................164
Relays ........................................256
Remote entry system .......107–108
illuminated entry ....................112
locking/unlocking
doors ................................108–109
opening the trunk ...................109
panic alarm .............................110
replacement/additional
transmitters .............................111
replacing the batteries ...........111
Reverse sensing system ...........238Roadside assistance ..................253
Roll stability control .................226
S
Safety Belt Maintenance ..........180
Safety belts
(see Safety restraints) ....138, 140,
142–143, 145
Safety Canopy ...................156, 158
Safety defects, reporting ..........286
Safety restraints ...............138, 140,
142–143, 145
Belt-Minder...........................148
extension assembly ................147
for adults .........................142–143
for children .............................162
safety belt maintenance .........180
warning light and chime ........147
Safety restraints - LATCH
anchors ......................................170
Safety seats for children ..........166
Safety Compliance
Certification Label ....................335
Satellite Radio Information ........44
Scheduled Maintenance Guide
Normal Scheduled
Maintenance and Log .............348
What Maintenance Schedule
Should You Follow? ................346
Seats ..........................................120
child safety seats ....................166
cleaning ...................................293
climate control ........................127
heated ......................................135
memory seat ...................110, 125
Index
368
2011 Navigator(nav)
Owners Guide, 1st Printing
USA(fus)

SecuriCode keyless entry
system ........................................113
SecuriLock passive anti-theft
system ........................................114
Servicing your vehicle ..............295
Snowplowing .................................6
SOS Post Crash Alert ...............161
Spark plugs, specifications ......330,
334–335
Special notice
utility-type vehicles ....................6
Specification chart,
lubricants ...................................331
Speed control ..............................80
Stability system .........................226
Starting a flex fuel vehicle .......220
Starting your vehicle ........217–220
jump starting ..........................274
Steering wheel
controls ......................................82
tilting .........................................67
SYNC..........................................47
T
Third-row power fold seat .......137
Tire Pressure Monitoring
System (TPMS)
Driving .....................................249
Tires, Wheels and Loading ....198
Warning Displays ................12, 26
Tires ...........................183–185, 264
alignment ................................192
care ..........................................188
changing ..........................264, 268
checking the pressure ............188
inflating ...................................186label .........................................197
replacing ..................................190
rotating ....................................192
safety practices .......................191
sidewall information ...............193
snow tires and chains ............202
spare tire .................................264
terminology .............................185
tire grades ...............................184
treadwear ........................184, 188
Towing .......................................210
recreational towing .................216
trailer towing ..........................210
wrecker ....................................277
Transmission .............................235
brake-shift interlock (BSI) ....233
fluid, checking and adding
(automatic) .............................325
fluid, refill capacities ..............331
lubricant specifications ..........331
Turn signal ..................................58
U
Universal garage door opener ....84
USB port ......................................38
V
Vehicle Identification Number
(VIN) ..........................................336
Vehicle loading ..........................202
Ventilating your vehicle ...........221
W
Warning lights (see Lights) .......12
Washer fluid ..............................298
Water, Driving through .............252
Index
369
2011 Navigator(nav)
Owners Guide, 1st Printing
USA(fus)