Page 1 of 368
Introduction 4
Instrument Cluster 10Warning and control lights 10
Gauges 14
Entertainment Systems 16AM/FM stereo cassette with CD 16
AM/FM stereo with CD 21
Rear seat controls 25
Rear seat entertainment system 30
Navigation system 43
Climate Controls 94Rear passenger climate control 97
Rear window defroster 98
Lights 99Headlamps 99
Turn signal control 102
Bulb replacement 103
Driver Controls 112Windshield wiper/washer control 112
Power windows 119
Mirrors 122
Speed control 126
Message center 136
Locks and Security 153Keys 153
Locks 153
Anti-theft system 154
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)Table of Contents
Table of Contents
1
Page 94 of 368

DUAL ELECTRONIC AUTOMATIC TEMPERATURE CONTROL
(DEATC) SYSTEM
1. A/C control: Uses outside air to
cool the vehicle. Press to turn on/off
in all modes except or .
2. Recirculation control: Used to
manually enable or disable the
operation of recirculated air in all
modes except Defrost. Cools the vehicle more quickly by recirculating
the cabin air instead of using outside air and helps prevent unpleasant
outside odors or fumes from entering the vehicle. In automatic operation,
the recirculated air operates automatically as necessary to achieve the
selected temperature.
3. Passenger side temperature
control: Controls the temperature
on the passenger side of the vehicle
when in dual zone mode. To enter
dual zone, press the passenger temperature control or DUAL. The
passenger temperature will appear in the display.
4. Rear defrost control: Removes
ice and fog from the rear
windshield. Press to turn on/off.
5. DUAL (Single/dual electric
temperature control): Allows the
driver to have full control of the
cabin temperature settings (single zone) or allows the passenger to have 1 2
13 14
56
789101112 43
15 16AUTO
OFF DUALA/C
RF F
EXT
F C A/C
R DUAL
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)Climate Controls
Climate Controls
94
Page 95 of 368

control of their individual temperature settings (dual zone control). Press
to enable dual zone mode, press again to return to single zone.
6.
: Distributes outside air through the windshield defroster vents.
7.
: Distributes outside air through the windshield defroster vents
and floor vents.
8. : Distributes outside air through the floor vents.
9. : Distributes outside air through the instrument panel vents and
the floor vents.
10. : Distributes outside air through the instrument panel vents.
11. OFF: Outside air is shut out and
the fan will not operate.
12. AUTO: Press AUTO and then
select the desired temperature. The
system will automatically determine
fan speed, airflow location and outside or recirculated air to heat or cool
the vehicle to achieve the selected temperature.
13. Driver’s side temperature
control: Controls the temperature
for both driver and passenger.
Controls only the driver ’ s side of the
vehicle if operating in DUAL mode.
14. Fan Speed: Used to manually
enable or disable the fan speed.
15. EXT: Displays the outside air
temperature. It will remain
displayed until the EXT control is
pressed again. The external
temperature will be most accurate when the vehicle has been moving for
a period of time.
16. Temperature conversion:
Press to toggle between Fahrenheit
and Celsius temperature on the
DEATC display only. The set point
temperatures in Celsius will be displayed in half-degree increments. OFF
AUTO
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus) Climate Controls
95
Page 96 of 368

Manual override controls: Allows
you to manually determine where
airflow is directed. To return to fully
automatic control, press AUTO.
OPERATING TIPS
• To reduce fog build up on the windshield during humid weather, place
the air flow selector in the position.
• To reduce humidity build up inside the vehicle: do not drive with the
air flow selector in the OFF or (in cold weather) MAX A/C position.
• Under normal weather conditions, do not leave the air flow selector in
MAX A/C or OFF when the vehicle is parked. This allows the vehicle
to “ breathe ” using the outside air inlet vents.
• Do not put objects under the front seats that will interfere with the
airflow to the back seats.
• Remove any snow, ice or leaves from the air intake area at the base of
the windshield.
To aid in side window defogging/demisting in cold weather:
1. Select
2. Select A/C
3. Modulate the temperature control to maintain comfort.
4. Set the fan speed to HI
5. Direct the outer instrument panel vents towards the side windows
To increase airflow to the outer instrument panel vents, close the vents
located in the middle of the instrument panel.
Do not place objects on top of the instrument panel as these
objects may become projectiles in a collision or sudden stop. OFF
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)Climate Controls
96
Page 97 of 368

AUXILIARY A/C-HEATER CONTROLS (IF EQUIPPED)
Your vehicle may be equipped with auxiliary climate controls. These
allow the front or rear seat passengers to control airflow direction,
temperature and fan level of the rear compartment to quickly heat or
cool the vehicle.
Auxiliary climate controls are located in the first row overhead console
and in the floor console on the back of the front row console.
If the main climate control system is in the OFF position, the auxiliary
climate control will not operate.
The auxiliary unit can be controlled either by the front seat occupant(s)
using the front auxiliary control or by the rear seat passenger(s) using
the rear auxiliary control but not both. To control the auxiliary unit using
the rear control, the front auxiliary blower control must be in the REAR
position.
Front auxiliary controls:
1. Temperature control:
Determines airflow temperature in
the rear of the vehicle. If the main
climate control system is cooling in
MAX A/C or
mode, the
auxiliary temperature control will
not function as the entire vehicle
will operate at a full cool
temperature.
2. Mode selector: Press to select
air flow direction to (Floor) or (Panel).
Directs air to the floor of the third row seating.
directs air to the overhead registers of the second and third row
seating. The selected mode will illuminate on the temperature control.
3. Fan control: Determines fan speed in the auxiliary system. Turn to
REAR to give rear seat passengers control of the rear auxiliary controls.
Otherwise, the front auxiliary control will determine the settings for the
auxiliary A/C-heater. If set to O (OFF), the rear auxiliary controls will
not function. 432 REAR
0
3
1
2
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus) Climate Controls
97
Page 98 of 368

Rear auxiliary controls (if equipped):
Once the front auxiliary control is set to REAR, the rear seat passengers
may use the rear auxiliary controls in the floor console to make the
desired adjustments.
1. Temperature control:
Determines temperature levels. If
the main climate control system is
cooling in MAX A/C or
mode,
the auxiliary controls will not
function as the entire vehicle will
operate at a full cool temperature.
2. Mode selector: Press to select
between air flow to (Floor)
or (Panel).
Directs air to the floor of the third row seating.
directs air to the overhead registers of the second and third row
seating. The selected mode will illuminate on the temperature control.
3. Fan control: Determines fan speed levels.
REAR WINDOW DEFROSTER
Used to manually enable or disable
rear window defrost in all modes.
After approximately 10 minutes of
rear defrost operation, the climate
control system will automatically disable the rear defrost operation. If
desired, the rear defrost can be manually disabled through the use of the
rear defrost button. When operating, the rear defrost indicator will be lit. 43210
3 1
2 R
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)Climate Controls
98
Page 126 of 368

• When this feature is disabled, the running boards will immediately
move to the stowed position regardless of the position of the doors.
• When this feature is enabled, the running boards will immediately
move to the correct position based on the position of the doors.
Bounce-back:
• If an object is in the way of the moving running board, the running
board will automatically bounce back in the reverse direction and
move to the end of travel.
Note: The running boards may operate slower in cooler temperatures. In
adverse conditions, mud, slush, salt, and other road debris may become
trapped in the running board mechanism possibly causing unwanted
noise. If this occurs flush the underside of the running boards using a
high-pressure car wash.
In extreme climates, excessive ice buildup may occur, causing
the running boards not to deploy. Be sure that the running
boards have deployed, and have finished moving before attempting to
step on them. Note: The running boards will resume normal function
once the blockage is cleared.
Turn off the running boards 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.
SPEED CONTROL
With speed control set, you can maintain a speed of 48 km/h (30 mph)
or more without keeping your foot on the accelerator pedal. Speed
control does not work at speeds below 48 km/h (30 mph).
Do not use the speed control in heavy traffic or on roads that
are winding, slippery or unpaved.
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)Driver Controls
126
Page 129 of 368
• Depress the brake pedal or press
CNCL (Cancel) until the desired
vehicle speed is reached, press
the SET + control.
Turning off speed control
There are two ways to turn off the speed control:
• Depress the brake pedal or press
CNCL (Cancel). This will not
erase your vehicle ’ s previously set
speed.
• Press the speed control OFF
control.
Note: When you turn off the speed
control or the ignition, your speed
control set speed memory is erased.
STEERING WHEEL CONTROLS
These controls allow you to operate some radio and climate control
features.
Audio control features
Press MEDIA to select:
• AM, FM1, FM2,
• TAPE, or
• CD.
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus) Driver Controls
129