Page 1 of 272
Introduction 4
Instrument Cluster 10
Warning and control lights 10
Gauges 15
Entertainment Systems 17
AM/FM stereo cassette with CD 17
CD changer 21
Navigation system 24
Climate Controls 70
Dual automatic temperature control 70
Lights 74
Headlamps 74
Turn signal control 78
Bulb replacement 79
Driver Controls 83
Windshield wiper/washer control 83
Steering wheel adjustment 85
Power windows 97
Mirrors 98
Speed control 99
Message center 104
Locks and Security 113
Locks 113
Anti-theft system 123
2003 Town Car(tow)
Owners Guide (post-2002-fmt)
USA English(fus)
Table of Contents
Table of Contents
1
Page 14 of 272
Trunk ajar:Illuminates when the
trunk is not completely closed. This
light will flash and sound a tone for
one second, then the light remains
on.
Turn signal:Illuminates when the
left or right turn signal or the
hazard lights are turned on. If the
indicators stay on or flash faster, check for a burned out bulb.
High beams:Illuminates when the
high beam headlamps are turned on.
Headlamps on warning chime:Sounds when the headlamps or parking
lamps are on, the ignition is off (and the key is not in the ignition) and
the driver’s door is opened.
Key-in-ignition warning chime:Sounds when the key is left in the
ignition in the OFF/LOCK or ACC position and the driver’s door is
opened.
Turn signal chime (if equipped):Sounds when the turn signal lever
has been activated to signal a turn and not turned off after the vehicle is
driven more than 0.8 km (1/2 mile).
2003 Town Car(tow)
Owners Guide (post-2002-fmt)
USA English(fus)
Instrument Cluster
14
Page 80 of 272

Replacing headlamp bulbs
To remove the headlamp bulb:
1. Make sure headlamp switch is in
OFF position.
2. Remove the protective bulb cover
by loosening and removing the five
screws.
3. Rotate the light bulb socket
counter clockwise and pull it
straight out from the assembly.
4. Remove the old bulb from the
lamp assembly by pulling it straight
out of the bulb socket.
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.
5. To complete installation, follow the removal procedure in reverse
order.
Note:To ensure a good seal, attach the bulb cap and partially tighten
the screws. Check to ensure the gasket is fully centered. Finish
tightening the screws in a criss-cross pattern (upper-left, lower right
etc.)
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. When the bulb is burned
out, the bulb and starter capsule assembly must be replaced by your
dealer or a qualified technician.
Replacing front parking lamp/turn signal bulbs
The park/turn lamp bulbs can be replaced with out removing the
headlamp assembly.
1. Make sure headlamp switch is in OFF position, then open the hood.
2. Remove the protective bulb cover by removing the three retaining
bolts.
2003 Town Car(tow)
Owners Guide (post-2002-fmt)
USA English(fus)
Lights
80
Page 81 of 272

3. Rotate the bulb socket
counterclockwise and remove from
lamp assembly.
4. Carefully pull bulb straight out of
the socket and push in the new bulb
until it snaps, locking it into
position.
5. To complete installation, follow
the removal procedure in reverse
order.
Replacing tail lamp/brake/turn lamp bulbs
The tail lamp, the brake lamp and the turn signal lamp bulbs are located
in the tail lamp assembly. Follow the same steps to replace either bulb.
1. Make sure headlamp switch is in
OFF position, then open the trunk
and carefully pull the carpet away to
expose the plastic retainer.
2. Remove plastic retainer to expose
the lamp assembly hardware.
3. Remove three nut and washer
assemblies and the lamp assembly
from the vehicle.
4. Remove the bulb socket by
rotating it counterclockwise, then
pulling it out of the lamp assembly.
5. Pull the bulb from the socket and
push in the new bulb.
6. Install the bulb socket into the
lamp assembly by rotating it
clockwise.
7. Install the lamp assembly on the
vehicle with three nut and washer
2003 Town Car(tow)
Owners Guide (post-2002-fmt)
USA English(fus)
Lights
81
Page 269 of 272

J
Jack ............................................194
positioning ...............................194
storage .....................................194
Jump-starting your vehicle ......199
K
Keyless entry system ...............121
Keys
positions of the ignition .........166
L
Lamps
autolamp system .......................74
bulb replacement
specifications chart ..................79
cargo lamps ...............................76
daytime running light ...............75
fog lamps ...................................75
headlamps .................................74
headlamps, flash to pass ..........76
instrument panel, dimming .....76
interior lamps .....................78–79
replacing bulbs ...................79–82
Lane change indicator
(see Turn signal) ........................78
Lights, warning and indicator ....10
anti-lock brakes (ABS) ..........170
speed control ..........................102
Load limits .................................180
GAWR ......................................180
GVWR ......................................180
trailer towing ..........................180
Locks
childproof ................................114
doors ........................................113
Lubricant specifications ...257, 259
Lumbar support, seats .............129M
Message center .........................104
english/metric button .............108
reset button ............................105
warning messages .....................93
Mirrors ...................................85, 98
automatic dimming
rearview mirror .........................98
fold away ...................................99
heated ........................................99
programmable memory ..........120
side view mirrors (power) .......98
Moon roof ..................................103
Motorcraft parts ................241, 255
N
Navigation system .......................24
cd functions ..............................37
destination mode ......................50
map mode .................................41
quick start .................................26
radio functions ..........................30
O
Octane rating ............................240
Oil (see Engine oil) ..................225
P
Parking brake ............................171
Parts (see Motorcraft parts) ....255
Passenger Occupant
Classification Sensor .................134
Pedals (see Power adjustable
foot pedals) .................................99
Power adjustable foot pedals .....99
2003 Town Car(tow)
Owners Guide (post-2002-fmt)
USA English(fus)
Index
269