Page 8 of 368
These are some of the symbols you may see on your vehicle.
Vehicle Symbol Glossary
Safety Alert See Owner ’ s Guide
Fasten Safety Belt Air Bag-Front
Air Bag-Side Child Seat
Child Seat Installation
Warning Child Seat Lower
Anchor
Child Seat Tether
Anchor Brake System
Anti-Lock Brake System Brake Fluid -
Non-Petroleum Based
Traction Control AdvanceTrac
Master Lighting Switch Hazard Warning Flasher
Fog Lamps-Front Fuse Compartment
Fuel Pump Reset Windshield Wash/Wipe
Windshield
Defrost/Demist Rear Window
Defrost/Demist
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)Introduction
8
Page 10 of 368

WARNING LIGHTS AND CHIMES
Warning lights and gauges can alert you to a vehicle condition that may
become serious enough to cause expensive repairs. A warning light may
illuminate when a problem exists with one of your vehicle ’ s functions.
Many lights will illuminate when you start your vehicle to make sure the
bulb works. If any light remains on after starting the vehicle, have the
respective system inspected immediately.
Service engine soon: The
indicator light illuminates when the
ignition is first turned to the ON
position to check the bulb. Solid
illumination after the engine is started indicates the On Board
Diagnostics System (OBD-II) has detected a malfunction. Refer to On
board diagnostics (OBD-II) in the Maintenance and Specifications
chapter. If the light is blinking, engine misfire is occurring which could
damage your catalytic converter. Drive in a moderate fashion (avoid
heavy acceleration and deceleration) and have your vehicle serviced
immediately.
Under engine misfire conditions, excessive exhaust temperatures
could damage the catalytic converter, the fuel system, interior
floor coverings or other vehicle components, possibly causing a fire.
Brake system warning light: To
confirm the brake system warning
light is functional, it will
momentarily illuminate when the
ignition is turned to the ON position
when the engine is not running, or in a position between ON and START,
P!BRAKE
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)Instrument Cluster
Instrument Cluster
10
Page 11 of 368

or by applying the parking brake when the ignition is turned to the ON
position. If the brake system warning light does not illuminate at this
time, seek service immediately from your dealership. Illumination after
releasing the parking brake indicates low brake fluid level and the brake
system should be inspected immediately by your servicing dealership.
Driving a vehicle with the brake system warning light on is
dangerous. A significant decrease in braking performance may
occur. It will take you longer to stop the vehicle. Have the vehicle
checked by your dealer immediately.
Anti-lock brake system: If the
ABS light stays illuminated or
continues to flash, a malfunction has
been detected, have the system
serviced immediately. Normal
braking is still functional unless the brake warning light also is
illuminated.
Air bag readiness: If this light fails
to illuminate when ignition is turned
to ON, continues to flash or remains
on, have the system serviced
immediately. A chime will also sound when a malfunction in the
supplemental restraint system has been detected.
Safety belt: Reminds you to fasten
your safety belt. A chime will also
sound to remind you to fasten your
safety belt.
Charging system: Illuminates when
the battery is not charging properly.
Engine oil pressure: Illuminates
when the oil pressure falls below the
normal range. Refer to Engine oil
in the Maintenance and
Specifications chapter. ABS
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus) Instrument Cluster
11
Page 104 of 368

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
Page 110 of 368
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
Page 127 of 368
Setting speed control
The controls for using your speed
control are located on the steering
wheel for your convenience.
1. Press the ON control and release
it.
2. Accelerate to the desired speed.
3. Press the SET + control and
release it.
4. Take your foot off the accelerator
pedal.
5. The indicator light on the
instrument cluster will turn on.
Note:
• Vehicle speed may vary momentarily when driving up and down a
steep hill.
• If the vehicle speed increases above the set speed on a downhill, you
may want to apply the brakes to reduce the speed.
• If the vehicle speed decreases more than 16 km/h (10 mph) below
your set speed on an uphill, your speed control will disengage.
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus) Driver Controls
127
Page 193 of 368

Do not sit on top of a buckled safety belt to avoid the Belt
Minder chime. Sitting on the safety belt will increase the risk
of injury in an accident. To disable (one-time) or deactivate the Belt
Minder feature please follow the directions stated below.
One time disable
Any time the safety belt is buckled and then unbuckled during an
ignition ON cycle, BeltMinder will be disabled for that ignition cycle
only.
Deactivating/activating the BeltMinder feature
Read step s1-9 thoroughly before proceeding with the
deactivation/activation programming procedure.
The BeltMinder feature can be deactivated/activated by performing the
following procedure:
Before following the procedure, make sure that:
• The parking brake is set
• The gearshift is in P (Park) (automatic transmission)
• The ignition switch is in the OFF position
• All vehicle doors are closed
• The driver ’ s safety belt is unbuckled
• The parklamps/headlamps are in OFF position (If vehicle is equipped
with Autolamps, this will not affect the procedure.)
To reduce the risk of injury, do not deactivate/activate the
BeltMinder feature while driving the vehicle.
1. Turn the ignition switch to the RUN (or ON) position. (DO NOT
START THE ENGINE)
2. Wait until the safety belt warning light turns off. (Approximately 1 – 2
minutes)
• Steps 3 – 5 must be completed within 60 seconds or the procedure will
have to be repeated.
3. Buckle then unbuckle the safety belt three times, ending with the
safety belt unbuckled. This can be done before or during BeltMinder
warning activation.
4. Turn on the parklamps/headlamps, turn off the parklamps/headlamps.
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus) Seating and Safety Restraints
193
Page 219 of 368
5. Turn the key to 3 (ON) without
turning the key to 4 (START).
Make sure the corresponding lights illuminate or illuminate briefly. If a
light fails to illuminate, have the vehicle serviced.
• If the driver ’ s safety belt is fastened, the light may not illuminate.
Starting the engine
Note: Whenever you start your vehicle, release the key as soon as the
engine starts. Excessive cranking could damage the starter.
1. Turn the key to 4 (START)
without pressing the accelerator
pedal and release as soon as the
engine starts. The key will return to
3 (ON).
2. When the engine starts, release
the key.
3. After idling for a few seconds,
apply the brake, shift into gear and
drive.
Note: If the engine does not start within five seconds on the first try,
turn the key to OFF, wait 10 seconds and try again. If the engine still 43
2
1
43
2
1
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus) Driving
219