Page 2 of 328
Seating and Safety Restraints 162
Seating 162
Safety restraints 167
Air bags 182
Child restraints 193
Tires, Wheels and Loading 204
Tire Information 205
Changing tires 209
Wheel lug nut torque 215
Vehicle loading 225
Trailer towing 231
Recreational towing 234
Driving 235
Starting 235
Brakes 238
Traction control 241
Air suspension 243
Transmission operation 243
Roadside Emergencies 251
Getting roadside assistance 251
Hazard flasher switch 252
Fuel pump shut-off switch 252
Fuses and relays 253
Jump starting 260
Wrecker towing 266
Customer Assistance 267
Reporting safety defects (U.S. only) 275
Cleaning 276
Table of Contents
2
2005 Town Car(tow)
Owners Guide (post-2002-fmt)
USA_English(fus)
Page 243 of 328

If the amount of effort required to steer your vehicle changes while
driving at a constant vehicle speed, have the power steering system
checked by your dealer or a qualified service technician.
AIR SUSPENSION SYSTEM
The air suspension system is designed to improve ride, handling and
general vehicle performance during:
•Certain road conditions
•Steering maneuvers
•Braking
•Accelerations
This system keeps the rear of your vehicle at a constant level by
automatically adding air or releasing air from the springs.
If you exceed the load limit, the rear air suspension may not operate.
The air suspension shut-off switch is
located on the left side of the trunk.
If this switch is in the OFF position,
the rear air suspension will not
operate.
On vehicles equipped with
Air Suspension, turn OFF
the Air Suspension switch prior to
jacking, hoisting or towing your
vehicle.
Normal vehicle operation does not require any action by the driver.
AUTOMATIC TRANSMISSION OPERATION
Brake-shift interlock
This vehicle is equipped with a brake-shift interlock feature that prevents
the gearshift lever from being moved from P (Park) when the ignition is
in the ON position unless brake pedal is depressed.
If you cannot move the gearshift lever out of P (Park) with ignition in
the ON position and the brake pedal depressed, it is possible that a fuse
has blown or the vehicle’s brakelamps are not operating properly. Refer
toFuses and relaysin theRoadside Emergencieschapter.
2005 Town Car(tow)
Owners Guide (post-2002-fmt)
USA_English(fus)
Driving
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Page 253 of 328

The fuel pump shut-off switch is located on a bracket inside of the
luggage compartment.
Use the following procedure to reset the fuel pump shut-off switch.
1. Turn the ignition to the OFF position.
2. Check the fuel system for leaks.
3. If no fuel leak is apparent, reset the fuel pump shut-off switch by
pushing in on the reset button.
4. Turn the ignition to the ON position. Pause for a few seconds and
return the key to the OFF position.
5. Make a further check for leaks in the fuel system.
FUSES AND RELAYS
Fuses
If electrical components in the
vehicle are not working, a fuse may
have blown. Blown fuses are
identified by a broken wire within
the fuse. Check the appropriate
fuses before replacing any electrical
components.
Note:Always replace a fuse with one that has the specified amperage
rating. Using a fuse with a higher amperage rating can cause severe wire
damage and could start a fire.
15
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USA_English(fus)
Roadside Emergencies
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The fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
1 10A Starter relay coil
2 10A Restraint Control Module (RCM),
Occupant Classification Sensor
(OCS), Passenger Air bag
Deactivation Indicator (PADI)
3 10A Audio, Navigation control head
4 10A Back-up lamps
5 10A Audio
6 10A Passive Anti-Theft System
(PATS), Powertrain Control
Module (PCM) relay coil, Ignition
coil relay coil, Fuel relay coil
7 10A Wiper module
2005 Town Car(tow)
Owners Guide (post-2002-fmt)
USA_English(fus)
Roadside Emergencies
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Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
8 10A Power Decklid Module (PDM),
Lighting Control Module (LCM),
Overdrive cancel switch, Cluster,
Rear defroster relay coil
9 7.5A Mirror switch illumination, Door
lock switch illumination, Rear
audio control, Heated seat switch
illumination, LCM,
Electrochromatic mirror,
Overhead console
10 15A Hazards
11 10A Rear Air Suspension Module
(RASM)
12 10A LCM (Illumination)
13 10A Cluster, Extended rear park aide
module
14 15A Adjustable pedals
15 10A Dual Automatic Temperature
Control (DATC) module
16 20A Cigar lighter, OBD II
17 10A Anti-lock Brake System (ABS)
module, Positive Crankcase
Ventilation (PCV)
18 15A LCM (Interior lighting)
19 10A Driver’s Door Module (DDM)
switches, PDM, Power mirrors,
DSM
20 10A LCM (Right-hand low beam)
21 10A PATS LED, Cluster, Analog clock,
Overhead console
22 10A LCM (Left-hand low beam)
23 10A LCM
2005 Town Car(tow)
Owners Guide (post-2002-fmt)
USA_English(fus)
Roadside Emergencies
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Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
24 15A LCM (High beams), Multi-function
switch (Flash-to-pass)
25 10A Brake-Transmission Shift Interlock
(BTSI), Stop switch signal feed,
Speed control deactivation switch
26 15A LCM (Park lamps, cornering
lamps)
27 10A DATC module
28 10A Center High-Mounted Stop Lamp
(CHMSL)
29 15A Turn signals
30 15A Stop lamps
31 10A A/C cycle switch, Heated seats
module
32 10A Mirror heaters
33 15A Audio, Navigation
K101 — Rear defroster relay
Power distribution box
The power distribution box is located in the engine compartment. The
power distribution box contains high-current fuses that protect your
vehicle’s main electrical systems from overloads.
Always disconnect the battery before servicing high current
fuses.
To reduce risk of electrical shock, always replace the cover to
the Power Distribution Box before reconnecting the battery or
refilling fluid reservoirs.
If the battery has been disconnected and reconnected, refer to the
Batterysection of theMaintenance and Specificationschapter.
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USA_English(fus)
Roadside Emergencies
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The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
1 20A* Ignition switch (Key in, RUN 1,
RUN 2)
2 25A* Ignition switch (RUN/START,
RUN/ACC, START)
3 10A* Powertrain Control Module (PCM)
keep alive power
4 20A* Fuel relay feed
5 20A* Instrument panel power point
6 15A* Alternator regulator
7 30A* PCM relay feed
8 20A* Driver’s Door Module (DDM)
9 15A* Ignition coil relay feed
10 20A* Horn relay feed
11 15A* A/C clutch relay feed
12 20A* Audio
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Roadside Emergencies
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Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
13 20A* Instrument panel fuse box feed #3
14 20A* Stop lamp switch
15 15A* Lumbar, Fuel door
16 20A* Heated seats
17 – Not used
18 – Not used
19 15A* Injectors
20 15A* PCM, Mass Air Flow (MAF)
sensor
21 15A* Powertrain loads and sensors
22 10A* Rear Air Suspension Module
(RASM)
23 10A* Delayed accessory (Moonroof,
audio and navigation system)
24 – Not used
101 40A** Blower relay feed
102 50A** Cooling fan
103 50A** Instrument panel fuse box feed #1
104 40A** Instrument panel fuse box feed #2
105 30A** Starter relay feed
106 40A** ABS module (Pump)
107 40A** Rear defroster relay feed
108 40A** Power Decklid Module (PDM)
109 20A** ABS module (Valves)
110 30A** Wiper module
111 20A** Rear power point #1
112 30A** RASM (Air compressor)
113 20A** Rear power point #2
114 20A** Moonroof
115 20A** Rear cigar lighters
116 30A** Pulldown module
2005 Town Car(tow)
Owners Guide (post-2002-fmt)
USA_English(fus)
Roadside Emergencies
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