Page 11 of 280
Vehicle Symbol Glossary
Power Windows
Front/Rear
Power Window Lockout
Child Safety Door
Lock/UnlockInterior Luggage
Compartment Release
Panic AlarmEngine Oil
Engine CoolantEngine Coolant
Temperature
Do Not Open When HotBattery
Avoid Smoking, Flames,
or SparksBattery Acid
Explosive GasFan Warning
Power Steering FluidMaintain Correct Fluid
LevelMAX
MIN
Service Engine SoonEngine Air Filter
Passenger Compartment
Air FilterJack
Check Fuel CapLow Tire Pressure
Warning
2009 Town Car(tow)
Owners Guide, 1st Printing
USA(fus)
Introduction
11
Page 14 of 280

Safety belt:Reminds you to fasten
your safety belt. A Belt-Minder
chime will also sound to remind you
to fasten your safety belt. Refer to
theSeating and Safety Restraints
chapter to activate/deactivate the Belt-Minderchime feature.
Charging system:Illuminates when
the battery is not charging properly.
Engine oil pressure:Illuminates
when the oil pressure falls below the
normal range, refer toEngine oilin
theMaintenance and
Specificationschapter.
Traction Control™ active:
Flashes when the Traction Control™
system is active. If the light remains
on, have the system serviced
immediately, refer to theDriving
chapter for more information.
Severity indicator:Displays the
indicated severity color when any of
the following warning conditions has
occurred:
•Red: Low Oil Pressure, Charge
System, Engine Coolant Over Temperature, Door Ajar
•Amber: Low Fuel
Refer toMessage Centerin theDriver Controlschapter.
Low tire pressure warning (if
equipped):Illuminates when your
tire pressure is low. If the light
remains on at start up or while
driving, the tire pressure should be
checked. Refer toInflating your tiresin theTires, Wheels and
Loadingchapter. When the ignition is first turned to on, the light will
illuminate for three seconds to ensure the bulb is working. If the light
does not turn on, have the system inspected by your authorized dealer.
For more information on this system, refer toTire pressure monitoring
system (TPMS)in theTires, Wheels and Loadingchapter.
2009 Town Car(tow)
Owners Guide, 1st Printing
USA(fus)
Instrument Cluster
14
Page 42 of 280

Replacing exterior bulbs
Check the operation of all the bulbs frequently.
Replacing headlamp bulbs
To remove the headlamp bulb:
1. Make sure the headlamp switch is in the off position, then open the
hood.
2. Remove the five retainers and radiator cover.
3. Remove the three bolts for each headlamp.
4. Press the clip next to the vertical aim adjuster, pull the headlamp
assembly forward and disconnect the electrical connector.
5. Remove the five screws and the protective bulb cover from the
headlamp assembly.
Low beam
•Disconnect electrical connector
and remove retainer and
headlamp bulb from headlamp
assembly.
High beam
•Remove the bulb by turning it
counterclockwise and then pulling
it straight out.
•Disconnect the electrical
connector from the bulb.
WARNING: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.
6. To complete installation, follow the removal procedure in reverse
order.
2009 Town Car(tow)
Owners Guide, 1st Printing
USA(fus)
Lights
42
Page 65 of 280
Trip elapsed drive time
Select this function from the INFO
menu to display a timer.
To operate the Trip Elapsed Drive
Time perform the following:
1. Press and release RESET in order
to start the timer.
2. Press and release RESET to
pause the timer.
3. Press and hold RESET for two seconds in order to reset the timer to
zero.
Setup menu
Press this control for the following displays:
•System Check
•Display (odometer/speedometer)
•Text Size (normal/large)
•Units (English/Metric)
•Language
•Compass Zone/Calibration
•Oil Minder Start Value
2009 Town Car(tow)
Owners Guide, 1st Printing
USA(fus)
Driver Controls
65
Page 66 of 280
System check
Selecting this function from the
SETUP menu causes the message
center to cycle through each of the
systems being monitored. For each
of the monitored systems, the
message center will indicate either
an OK message or a warning
message for three seconds.
Pressing the SELECT control cycles the message center through each of
the systems being monitored.
The sequence of the system check report and how it appears in the
message center is as follows:
1. OIL LIFE
— PRESS RESET IF NEW OIL
2. WASHER FLUID
3. AIR SUSPENSION
4. RECONFIGURABLE TELLTALES
—OK
— FAILED RED
— FAILED AMBER
5. BACKUP AID
Display Type
1. Select this function from the
SETUP menu.
2. Press the SELECT control to
change the display.
2009 Town Car(tow)
Owners Guide, 1st Printing
USA(fus)
Driver Controls
66
Page 71 of 280

Warning display Status
Overdrive ON/OFF Warning returns after the ignition key
is turned from off to on.
Trunk ajar
Low tire pressure
Tire pressure monitor fault
Tire pressure sensor fault
Check compass module
Low washer fluid
Oil life change soon
Oil change required
DOOR AJAR— Displayed when a door is not completely closed.
POWERTRAIN MALFUNCTION— Displayed when the powertrain is
not operating properly. If the warning stays on or continues to come on,
contact your authorized dealer as soon as possible.
COOLANT OVER TEMPERATURE— Displayed when the engine
coolant is overheating. Stop the vehicle as soon as safely possible, turn
off the engine and let it cool. Check the coolant and coolant level. Refer
toEngine coolantin theMaintenance and Specificationschapter. If
the warning stays on or continues to come on, contact your authorized
dealer as soon as possible.
WARNING:Never remove the coolant reservoir cap while the
engine is running or hot.
CHECK FUEL CAP— Displayed when the fuel filler cap is not
properly installed. Check the fuel filler cap for proper installation. Refer
toFuel filler capin theMaintenance and Specificationschapter.
CHECK AIR SUSPENSION— Displayed when the air suspension
system is not operating properly. If this message is displayed while
driving, pull off the road as soon as safely possible. For more
information, refer toAir suspension systemin theDrivingchapter.
FUEL LEVEL LOW— Displayed as an early reminder of a low fuel
condition. Warning message can be reset by pressing the RESET button,
but will return after 10 minutes. If any other button is pressed besides
RESET, the message ’’PRESS RESET TO CLEAR’’ will appear in the
message center. Once this message disappears (after approximately two
seconds), press RESET to clear the warning.
TRUNK AJAR— Displayed when the trunk is not completely closed.
2009 Town Car(tow)
Owners Guide, 1st Printing
USA(fus)
Driver Controls
71
Page 72 of 280

OVERDRIVE OFF— Displayed when the overdrive is disabled.
OVERDRIVE ON— Displayed when the overdrive is enabled.
LOW TIRE PRESSURE— Displayed when one or more tires on your
vehicle have low tire pressure. Refer toInflating your tiresin theTires,
Wheels and Loadingchapter.
TIRE PRESSURE MONITOR FAULT— Displayed when the Tire
Pressure Monitoring System is malfunctioning. If the warning stays on or
continues to come on, have the system inspected by your authorized
dealer.
TIRE PRESSURE SENSOR FAULT— Displayed when a tire pressure
sensor is malfunctioning, or your spare tire is in use (Note: this includes
the use of the optional full-sized matching spare tire and wheel). For
more information on how the system operates under these conditions,
refer toTire Pressure Monitoring System (TPMS)in theTires, Wheels
and Loadingchapter. If the warning stays on or continues to come on,
have the system inspected by your authorized dealer.
CHECK COMPASS MOD— Displayed when the compass is not
operating properly. If the warning stays on or continues to come on,
contact your authorized dealer as soon as possible.
WASHER FLUID LEVEL LOW— Indicates the washer fluid reservoir
is less than one quarter full. Check the washer fluid level. Refer to
Windshield washer fluidin theMaintenance and Specifications
chapter.
OIL LIFE CHANGE SOON— Displayed when the engine oil life
remaining is 10% or less. When oil life left is between 10% and 0%, the
XX% OIL LIFE CHANGE SOON message will be displayed.
OIL CHANGE REQUIRED— Displayed when the oil life left reaches
0%, the OIL CHANGE REQUIRED message will be displayed.
An oil change is required whenever indicated by the message center and
according to the recommended maintenance schedule. USE ONLY
RECOMMENDED ENGINE OILS.
2009 Town Car(tow)
Owners Guide, 1st Printing
USA(fus)
Driver Controls
72
Page 237 of 280

Replace wiper blades at least once per year for optimum performance.
Poor wiper quality can be improved by cleaning the wiper blades and the
windshield. Refer toWindows and wiper bladesin theCleaning
chapter.
To prolong the life of the wiper blades, it is highly recommended to
scrape off the ice on the windshield before turning on the wipers. The
layer of ice has many sharp edges and can damage the micro edge of the
wiper rubber element.
ENGINE OIL
Checking the engine oil
Refer to thescheduled maintenance informationfor the appropriate
intervals for checking the engine oil.
1. Make sure the vehicle is on level ground.
2. Turn the engine off and wait up to 15 minutes for the oil to drain into
the oil pan.
3. Set the parking brake and ensure the gearshift is securely latched in P
(Park).
4. Open the hood. Protect yourself from engine heat.
5. Locate and carefully remove the
engine oil level dipstick.
6. Wipe the dipstick clean. Insert the dipstick fully, then remove it again.
2009 Town Car(tow)
Owners Guide, 1st Printing
USA(fus)
Maintenance and Specifications
237