Page 9 of 240
Vehicle Symbol Glossary
Power Windows
Front/Rear
Power Window Lockout
Child Safety Door
Lock/UnlockInterior Luggage
Compartment Release
Symbol
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
Emission SystemEngine Air Filter
Passenger Compartment
Air FilterJack
Check fuel capLow tire warning
2004 Taurus(tau)
Owners Guide (post-2002-fmt)
USA English(fus)
Introduction
9
Page 12 of 240

Engine oil pressure:Illuminates
when the oil pressure falls below the
normal range, refer toEngine oilin
theMaintenance and
specificationschapter.
Traction Controlactive (if
equipped):Flashes when the
Traction Controlis active. If the
light remains on a malfunction has
been detected; have the system
serviced immediately, refer to theDrivingchapter for more information.
Speed control (if equipped):
Illuminates when the speed control
is activated. Turns off when the
speed control system is deactivated.
SecurilockAnti-theft system:
Flashes when the Securilock
Passive Anti-theft System has been
activated. Refer toSecurilockPassive Anti-theft Systemin theLocks
and Securitychapter.
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.
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.
Headlamps on warning chime:Sounds when the headlamps or parking
lamps are on, the ignition is off (the key is not in the ignition) and the
driver’s door is opened.
CRUISE
2004 Taurus(tau)
Owners Guide (post-2002-fmt)
USA English(fus)
Instrument Cluster
12
Page 59 of 240

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 two to four seconds.
Pressing the RESET control cycles the message center through each of
the systems being monitored.
The sequence of the system check report is as follows:
1. OIL PRESSURE
2. CHARGING SYSTEM
3. BRAKE FLUID LEVEL
4. FUEL LEVEL
5. DOORS CLOSED (If RESET control is pressed PLEASE CLOSE DOOR
will be displayed).
6. PARK BRAKE STATUS
7. ENGINE TEMP
8. BRAKE SYSTEM
9. TRACTION CONTROL (if equipped)
System warnings
System warnings alert you to possible problems or malfunctions in your
vehicle’s operating systems.
In the event of a multiple warning situation, the message center will
cycle the display to show all warnings by displaying each one for several
seconds.
The message center will display the last selected feature if there are no
more warning messages. This allows you to use the full functionality of
the message center after you acknowledge the warning by pressing the
RESET control and clearing the warning message.
Warning messages that have been reset are divided into three categories:
•They will not disappear until a condition is changed.
•They will reappear on the display ten minutes from the reset.
•They will not reappear until an ignition OFF-ON cycle has been
completed.
2004 Taurus(tau)
Owners Guide (post-2002-fmt)
USA English(fus)
Driver Controls
59
Page 60 of 240

This acts as a reminder that these warning conditions still exist within
the vehicle.
Warnings Status
Driver’s door ajar Warning cannot be reset (CLOSE
DOOR TO RESET) will be displayed
Passenger door ajar
Left rear door ajar
Right rear door ajar
Park brake engaged RELEASE PARK BRAKE will be
displayed
Check engine temp Warning returns after 10 minutes
Transmission overheated
Check transmission
Low fuel level
Check fuel cap
Check charging system
Oil pressure low
Check brake system
Low brake fluid Warning returns after the ignition key
is turned from OFF to RUN
Liftgate ajar (if equipped)
Check Traction Control (if
equipped)
Data error
DRIVER’S DOOR AJAR.Displayed when the driver’s door is not
completely closed.
PASSENGER DOOR AJAR.Displayed when the passenger side door is
not completely closed.
LEFT REAR DOOR AJAR.Displayed when the left rear door is not
completely closed.
RIGHT REAR DOOR AJAR.Displayed when the right rear door is not
completely closed.
PARK BRAKE ENGAGED.Displayed when the park brake is engaged.
If the warning stays on after the park brake is off, contact your dealer as
soon as possible.
2004 Taurus(tau)
Owners Guide (post-2002-fmt)
USA English(fus)
Driver Controls
60
Page 61 of 240

CHECK ENGINE 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 dealer as
soon as possible.
TRANSMISSION OVERHEATED.Indicates the transmission is
overheating. This warning may appear when towing heavy loads or when
driving in a low gear at a high speed for an extended period of time.
Stop the vehicle as soon as safely possible, turn off the engine and let it
cool. Refer toTransmission fluidin theMaintenance and
specificationschapter. If the warning stays on or continues to come on,
contact your dealer for transmission service as soon as possible.
CHECK TRANSMISSION.Indicates the transmission is not operating
properly. If this warning stays on, contact your dealer as soon as
possible.
LOW FUEL LEVEL.Displayed as an early reminder of a low fuel
condition.
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 CHARGING SYSTEM.Displayed when the electrical system is
not maintaining proper voltage. If you are operating electrical accessories
when the engine is idling at a low speed, turn off as many of the
electrical loads as possible. If the warning stays on or comes on when the
engine is operating at normal speeds, have the electrical system checked
as soon as possible.
OIL PRESSURE LOW.Displayed when the engine oil level is low. If this
warning message is displayed, check the level of the engine oil. Refer to
Engine oilin theMaintenance and specificationschapter for
information about adding engine oil.
CHECK BRAKE SYSTEM.Displayed when the brake system needs
servicing. If the warning stays on or continues to come on, contact your
dealer as soon as possible.
LOW BRAKE FLUID.Indicates the brake fluid level is low and the
brake system should be inspected immediately. Refer toChecking and
adding brake fluidin theMaintenance and specificationschapter.
LIFTGATE AJAR (if equipped).Displayed when the liftgate is not
completely closed.
2004 Taurus(tau)
Owners Guide (post-2002-fmt)
USA English(fus)
Driver Controls
61
Page 62 of 240
CHECK TRACTION CONTROL (if equipped).Displayed when the
Traction Controlsystem is not operating properly. If this warning stays
on, contact your dealer for service as soon as possible. For further
information, refer toTraction controlin theDrivingchapter.
DATA ERR.These messages indicate improper operation of the vehicle
network communication between electronic modules.
•Fuel computer
•Charging system
•Coolant system
•Traction control (if equipped)
•Door sensor
•Brake fluid
•Compass (if equipped)
•Outside temperature (if equipped)
•Engine sensor
•Transmission sensor
•Fuel cap sensor
•Seat belt sensor
•Park brake
•Oil pressure sensor
Contact your dealer as soon as possible if these messages occur on a
regular basis.
2004 Taurus(tau)
Owners Guide (post-2002-fmt)
USA English(fus)
Driver Controls
62
Page 182 of 240
Checking and adding washer fluid for the liftgate (if equipped)
The opening for the reservoir is
located on the passenger side under
the tail lamp. Refill this reservoir
with the same fluid you use for your
windshield.
ENGINE OIL
Checking the engine oil
Refer to the scheduled maintenance guide for the appropriate intervals
for checking the engine oil.
1. Make sure the vehicle is on level ground.
2. Turn the engine off and wait a few minutes for the oil to drain into the
oil pan.
3. Set the parking brake and ensure the gearshift is securely latched in P.
4. Open the hood. Protect yourself from engine heat.
2004 Taurus(tau)
Owners Guide (post-2002-fmt)
USA English(fus)
Maintenance and Specifications
182
Page 184 of 240

Adding engine oil
1. Check the engine oil. For instructions, refer toChecking the engine
oilin this chapter.
2. If the engine oil level is not within the normal range, add only certified
engine oil of the recommended viscosity. Remove the engine oil filler cap
and use a funnel to pour the engine oil into the opening.
3. Recheck the engine oil level. Make sure the oil level is not above the
MAX mark or the letter F in FULL on the engine oil level indicator
(dipstick).
4. Install the indicator and ensure it is fully seated.
5. Fully install the engine oil filler cap by turning the filler cap clockwise
until it stops.
To avoid possible oil loss, DO NOT operate the vehicle with the
engine oil level indicator and/or the engine oil filler cap removed.
Engine oil and filter recommendations
Look for this certification
trademark.
Use SAE 5W-20 engine oil.
Only use oils“Certified For Gasoline Engines”by the American
Petroleum Institute (API). To protect your engine’s warranty use
Motorcraft SAE 5W-20 or an equivalent 5W-20 oil meeting Ford
specification WSS-M2C153–H.SAE 5W-20 oil provides optimum fuel
economy and durability performance meeting all requirements for
your vehicle’s engine.
Do not use supplemental engine oil additives, cleaners or other engine
treatments. They are unnecessary and could lead to engine damage that
is not covered by Ford warranty.
Change your engine oil according to the appropriate schedule listed in
the scheduled maintenance guide.
2004 Taurus(tau)
Owners Guide (post-2002-fmt)
USA English(fus)
Maintenance and Specifications
184