Function Number of bulbs Trade number
Headlamps
(low-beams) 2 9006
Headlamps (hi-beam) 2 9005
Front park/turn lamps 2 3157 AK (amber)
Front sidemarker 2 194 AK (amber)
Foglamps 2 800
Dome/map lamps 2 579
Turn/tail/brake lamps 2 3157K
Approach lamps 2 906
Mirror turn signal
lamps 2 906 (amber)
Liftgate lamp 2 916
Backup lamp 2 3157K
License lamp 2 168
High-mount brake
lamp 5 W5W
All replacement bulbs are clear in color except where noted.
To replace all instrument panel lights - see your dealer
* For vehicles with HID (high intensity discharge) lamps, see your dealer
for service.
Replacing the interior bulbs
Check the operation of all bulbs frequently.
Map lamps
To change the map lamp bulbs:
1. Use a small screwdriver to
remove the map lamp lens.
2. To remove the old bulb, twist 1
⁄ 4
turn and pull it out.
3. Twist in a new bulb.
4. Align and press the map lamp
lens back on and test the lamp operation.
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)Lights
104
Replacing HID headlamp bulbs (if equipped)
The low beam headlamps on your vehicle use a “ high intensity discharge ”
source. These lamps operate at a high voltage. The bulb is NOT
replaceable. When the bulb is burned out, the lamp assembly must be
replaced by your dealer or a qualified technician.
Replacing front parking lamp/turn signal bulbs
1. Make sure the headlamp control is in the OFF position.
2. Open the hood.
3. At the back of the headlamp lens,
remove the three headlamp
assembly bolts.
4. Pull the headlamp assembly
forward slightly to expose the
electrical connectors.
5. Rotate the bulb socket
counterclockwise and remove.
6. Pull the bulb straight out of the
socket and push in the new bulb.
7. To complete installation of the
parking lamp/turn signal assembly,
follow the removal procedures in
reverse order.
Replacing foglamp bulbs
Handle a halogen headlamp bulb carefully and keep out of
children ’ s reach. Grasp the bulb only by its plastic base and do
not touch the glass. The oil from your hand could cause the bulb to
break the next time the headlamps are operated.
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)Lights
106
1. Make sure the headlamp switch is
in the OFF position.
2. Disconnect the electrical
connector from the foglamp bulb.
3. Rotate the foglamp bulb
counterclockwise and remove from
the foglamp (the rear side of the
foglamp is shown).
4. Install the foglamp bulb in
foglamp by rotating clockwise.
5. Connect the electrical connector
to the new foglamp bulb
Replacing tail lamp bulbs
1. Make sure the headlamp switch is
in the OFF position.
2. Open the liftgate to expose the
lamp assembly screws.
3. Remove the two screws from the
lamp assembly.
4. Carefully pry the lamp assembly
away from the vehicle, by pulling
the assembly directly straight out, to
expose the bulb socket. DO NOT
TIP THE LAMP ASSEMBLY SIDEWAYS.
5. Rotate the bulb socket counterclockwise and remove from lamp
assembly.
6. Pull bulb straight out of socket and push in the new bulb.
7. Install the bulb socket into the lamp assembly and rotate clockwise.
8. Install the lamp assembly on the vehicle and secure with two screws.
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus) Lights
107
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