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WARNING:When one of the rear wheels is off the ground, the
transmission alone will not prevent the vehicle from moving or
slipping off the jack, even if the transmission is in P (Park). To prevent
the vehicle from moving when you change the tire, be sure that the
parking brake is set and the block the wheels (both front or both rear)
on the opposite end of the vehicle from the wheel being changed. If on
a grade, block both opposite wheels on the downward side of the hill.
If the vehicle slips off the jack, someone could be seriously injured.
•Front
•Rear
WARNING:Turn off the running boards (if equipped) before
jacking or placing any object under the vehicle. Never place your
hand between the extended running board and the vehicle. A moving
running board may cause injury.
Roadside Emergencies
309
2010 Navigator(nav)
Owners Guide(own2002), 1st Printing
USA(fus)
Page 359 of 385

Keep a record for at least one month and record the type of driving (city
or highway). This will provide an accurate estimate of the vehicle’s fuel
economy under current driving conditions. Additionally, keeping records
during summer and winter will show how temperature impacts fuel
economy. In general, lower temperatures give lower fuel economy.
Driving style — good driving and fuel economy habits
Give consideration to the lists that follow and you may be able to change
a number of variables and improve your fuel economy.
Habits
•Smooth, moderate operation can yield up to 10% savings in fuel.
•Steady speeds without stopping will usually give the best fuel
economy.
•Idling for long periods of time (greater than one minute) may waste
fuel.
•Anticipate stopping; slowing down may eliminate the need to stop.
•Sudden or hard accelerations may reduce fuel economy.
•Slow down gradually.
•Driving at reasonable speeds (traveling at 55 mph [88 km/h] uses 15%
less fuel than traveling at 65 mph [105 km/h]).
•Revving the engine before turning it off may reduce fuel economy.
•Using the air conditioner or defroster may reduce fuel economy.
•You may want to turn off the speed control in hilly terrain if
unnecessary shifting between the top gears occurs. Unnecessary
shifting of this type could result in reduced fuel economy.
•Warming up a vehicle on cold mornings is not required and may
reduce fuel economy.
•Resting your foot on the brake pedal while driving may reduce fuel
economy.
•Combine errands and minimize stop-and-go driving.
Maintenance
•Keep tires properly inflated and use only recommended size.
•Operating a vehicle with the wheels out of alignment will reduce fuel
economy.
•Use recommended engine oil. Refer toMaintenance product
specifications and capacitiesin this chapter.
Maintenance and Specifications
359
2010 Navigator(nav)
Owners Guide(own2002), 1st Printing
USA(fus)
Page 381 of 385

Child safety seats - booster
seats ...........................................211
Cleaning your vehicle
engine compartment ..............330
instrument panel ....................332
interior .............................332–333
plastic parts ............................331
washing ....................................328
waxing .....................................329
wheels ......................................329
wiper blades ............................331
Clock ..........................................103
Compass, electronic
set zone adjustment .................25
Console ......................................102
overhead ..........................101–102
Controls
power seat ...............................157
steering column ......................112
Coolant
checking and adding ..............345
refill capacities ................348, 368
specifications ..........................368
Cruise control
(see Speed control) ..................110
Customer Assistance ................292
Ford Extended Service Plan...377
Getting assistance outside the
U.S. and Canada .....................325
Getting roadside assistance ...292
Getting the service you
need .........................................321
Ordering additional owner’s
literature .................................326
Utilizing the
Mediation/Arbitration
Program ...................................325D
Daytime running lamps
(see Lamps) ................................87
Dipstick
automatic transmission fluid...364
engine oil .................................340
Driving under special
conditions ..................275, 285, 288
sand .........................................286
snow and ice ...........................289
through water .................287, 291
DVD system .................................47
E
Electronic message center .........19
Emergencies, roadside
jump-starting ..........................313
running out of fuel .........312, 356
Emission control system ..........360
Engine ................................371–372
cleaning ...................................330
coolant .....................................345
fail-safe cooling .......................349
idle speed control ...................343
lubrication specifications .......368
refill capacities ........................368
service points ..........................337
starting after a collision .........294
Engine block heater .................258
Engine oil ..................................340
change oil soon warning,
message center .......................340
checking and adding ..............340
dipstick ....................................340
filter, specifications ........342, 367
recommendations ...................342
refill capacities ........................368
specifications ..........................368
Index
381
2010 Navigator(nav)
Owners Guide(own2002), 1st Printing
USA(fus)
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