
Replacing back-up lamp bulbs
The back-up lamp bulbs are located behind the liftgate trim panels.
To change the back-up lamp bulbs:
1. Make sure the headlamp switch is
in the OFF position.
2. Remove the liftgate trim panel by
removing the retaining nuts to
expose the bulb socket.
3. Turn the bulb socket
counterclockwise and pull it out of
the back-up lamp assembly.
4. Pull out the old bulb and replace
it by pushing in a new bulb.
5. Push the connector back into the back-up lamp assembly and turn it
clockwise to secure it in place.
6. Reinstall the liftgate trim panel.
Replacing liftgate tail lamp bulb
1. Make sure the headlamp switch is
in the OFF position.
2. Raise the liftgate and remove the
two retaining nuts on the underside
of the liftgate.
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3. Pull the lamp assembly straight
out (it will snap out of a plastic
retaining grommet).
4. Turn the wire harness
counterclockwise to remove it from
the lamp.
5. Pull out the bulb and replace it
with a new one.
6. Turn the harness clockwise to
install it.
7. Snap the lamp assembly back into
place.
8. Replace the retaining nuts.
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus) Lights
109

High-mount brakelamp
To change the high-mount
brakelamp bulbs:
1. Remove the two screws holding
the lamp assembly in place.
2. Pull the lamp assembly straight
out.
3. Remove the wire harness.
4. Depress the four tabs that hold
the light assembly on, one at a time,
and pull the black bulb carrier away
from the lamp.
5. Pull the old bulb out and replace
with the new bulb.
6. Snap the black bulb carrier into
the lamp assembly.
7. Replace the wire harness.
8. Replace the lamp assembly.
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)Lights
110

Replacing license plate lamp bulb
The license plate bulbs are located in the license plate housing assembly
on the liftgate. To change the license plate bulbs:
1. Make sure the headlamp switch is
in the OFF position.
2. Remove the license lamp screw
from the assembly.
3. Pull the lamp down and twist the
bulb socket counterclockwise.
Remove the bulb socket from the
lamp.
4. Pull out the old bulb and push in
the new bulb.
5. Install the bulb socket in the lamp assembly by turning it clockwise.
6. Install the lamp assembly and secure it with the retaining screw.
Approach lamp/mirror turn signal bulb removal (if equipped)
To change the bulbs:
1. Make sure the headlamp switch is
in the OFF position and then fold
the mirror forward.
2. Remove the torx screw on the
bottom of the turn signal lens using
a T-10 torx driver.
3. Pull the turn signal lens down to
remove it from the mirror assembly
4. Disconnect the bulb assembly
from the lens.
5. Remove and replace the bulb.
6. Reverse the order to reassemble lamp and lens.
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus) Lights
111

A
ABS (see Brakes) .....................221
Accessory delay ........................122
Air bag supplemental restraint
system ................................195, 199
and child safety seats ............197
description ......................195, 199
disposal ....................................202
driver air bag ..................197, 200
indicator light .................199, 202
operation .........................197, 200
passenger air bag ...........197, 200
side air bag ..............................199
Air cleaner filter ...............332, 348
Air conditioning
auxiliary heater and air
conditioner ................................97
Air suspension ...........................225
description ..............................225
Antifreeze
(see Engine coolant) ................313
Anti-lock brake system
(see Brakes) ......................221 – 222
Audio system (see Radio) ...16, 21
Automatic transmission
driving an automatic
overdrive .................................233
fluid, adding ............................330
fluid, checking ........................330
fluid, refill capacities ..............349
fluid, specification ..................354
Auxiliary power point ...............118
Axle
lubricant specifications ..351, 354
refill capacities ........................349
B
Battery .......................................311 acid, treating emergencies .....311
jumping a disabled battery ....282
maintenance-free ....................311
replacement, specifications ...348
servicing ..................................311
BeltMinder .................................191
Brakes ........................................221
anti-lock ...........................221 – 222
anti-lock brake system (ABS)
warning light ...........................222
fluid, checking and adding ....329
fluid, refill capacities ..............349
fluid, specifications .........351, 354
lubricant specifications ..351, 354
parking ....................................223
shift interlock ..........................231
Bulbs ..........................................103
C
Calculating load ........................254
Capacities for refilling fluids ....349
Cassette tape player ...................21
CD-single premium .....................16
Cell phone use ..........................148
Certification Label ....................356
Changing a tire .........................275
Child safety restraints ..............203
child safety belts ....................203
Child safety seats ......................206
in front seat ............................208
in rear seat ..............................208
Cleaning your vehicle
engine compartment ..............300
instrument panel ....................302
interior .............................302 – 303
interior trim ............................303
plastic parts ............................301
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)Index
Index
361

change oil soon warning,
message center .......................308
checking and adding ..............308
dipstick ....................................308
filter, specifications ........310, 348
recommendations ...................310
refill capacities ........................349
specifications ..................351, 354
Exhaust fumes ..........................220
Extended Rear Park Assist ......238
F
Fail safe cooling ........................317
Floor mats .................................149
Fluid capacities .........................349
Foglamps .....................................99
Four-Wheel Drive vehicles .......240
control trac .............................240
description ..............................241
driving off road .......................243
electronic shift ........................242
indicator light .........................240
preparing to drive your
vehicle .....................................227
Fuel ............................................319
calculating fuel
economy ..........................139, 323
cap ...........................................321
capacity ...................................349
choosing the right fuel ...........321
comparisons with EPA fuel
economy estimates .................326
detergent in fuel .....................322
filling your vehicle with
fuel ...........................319, 321, 323
filter, specifications ........323, 348
fuel pump shut-off switch .....263
improving fuel economy ........323
octane rating ...................322, 354 quality ......................................322
running out of fuel .................322
safety information relating to
automotive fuels .....................319
Fuses ..................................265 – 266
G
Garage Door Opener (see
Homelink wireless control
system) ......................................132
Gas cap (see Fuel cap) ............321
Gas mileage (see Fuel
economy) ...................................323
Gauges .........................................14
GAWR (Gross Axle Weight
Rating) .......................................252
calculating ...............................254
definition .................................252
driving with a heavy load ......252
location ....................................252
GVWR (Gross Vehicle Weight
Rating) .......................................252
calculating .......................252, 254
definition .................................252
driving with a heavy load ......252
location ....................................252
H
Hazard flashers .........................263
Headlamps ...................................99
aiming ......................................101
autolamp system .......................99
bulb specifications ..................103
daytime running lights ...........100
flash to pass ............................100
high beam ...............................100
replacing bulbs .......................105
turning on and off ....................99
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus) Index
363

HomeLink universal
transceiver (see Garage door
opener) ......................................136
Homelink wireless control
system ........................................132
Hood ..........................................306
I
Ignition ...............................217, 354
Infant seats
(see Safety seats) .....................206
Inspection/maintenance (I/M)
testing ........................................328
Instrument panel
cleaning ...................................302
cluster ........................................10
lighting up panel and
interior .....................................101
J
Jack ............................................275
positioning ...............................275
storage .....................................275
Jump-starting your vehicle ......282
K
Keyless entry system
autolock ...................................162
programming entry code .......164
Keys ...................................166 – 167
positions of the ignition .........217
L
Lamps
autolamp system .......................99 bulb replacement
specifications chart ................103
daytime running light .............100
fog lamps ...................................99
headlamps .................................99
headlamps, flash to pass ........100
instrument panel, dimming ...101
interior lamps .................103 – 104
replacing
bulbs ................103, 105 – 108, 110
Lane change indicator
(see Turn signal) ......................102
Liftgate ......................149, 156 – 157
Lights, warning and indicator ....10
anti-lock brakes (ABS) ..........222
Limited-slip axle .......................227
Load limits .................................252
GAWR ......................................252
GVWR ......................................252
trailer towing ..........................252
Loading instructions .................253
Locks
autolock ...................................162
childproof ................................154
doors ........................................153
Lubricant specifications ...351, 354
Lumbar support, seats .............169
M
Message center .................136 – 137
english/metric button .............143
system check button ..............144
warning messages ...................144
Mirrors ...............................114, 122
automatic dimming rearview
mirror ......................................122
heated ......................................123
programmable memory ..158, 171
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)Index
364