Ford 2011 Taurus Owner's Manual page 393

Extensive idling and/or low-speed driving for long distances as in heavy
commercial use such as delivery, taxi, patrol car or livery
Every 300 hours of engine
Every 30,000 miles (48,000 km) – Change automatic transmission fluid (except Fiesta).
Every 60,000 miles (96,000 km) – Replace spark plugs.
Inspect frequently, service as
* Engine hour meter installation is recommended for these operating
conditions.
Perform the services noted in the preceding table at the specified
time/mileage (km) period either within 3,000 miles (5,000 km) of the
OIL CHANGE REQUIRED message appearing in the message center or
when the time/mileage (km) reading indicates service is due.
Example #1: The OIL CHANGE REQUIRED message comes on at
28,751 miles (46,270 km); perform the 30,000 mile (48,000 km)
automatic transmission fluid replacement.
Example #2: The OIL CHANGE REQUIRED message has not come on
but the odometer reads 30,000 miles (48,000 km); perform the engine air
filter replacement. (i.e., Intelligent Oil Life Monitor™ was reset at
25,000 miles [40,000 km].)
2011 Taurus (500)
Owners Guide, 1st Printing
USA (fus)
Scheduled Maintenance Guide
As required – Change engine oil and replace oil filter as indicated by
message center and perform services as listed in the
Normal Scheduled Maintenance chart (except Fiesta).
– Change engine oil and replace oil filter (Fiesta).
operation*
– Replace cabin air filter (if equipped).
required
– Replace engine air filter.
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