Lincoln MKZ Owner's Manual page 336

Scheduled Maintenance
Extensive idling and/or low-speed driving for long distances as
in heavy commercial use (i.e. delivery, taxi, patrol car or livery)
As required
Inspect frequently,
service as required
Every 30,000 miles
(48,000 km)
Every 60,000 miles
(96,000 km)
Perform the services in the preceding table when specified or within
3,000 miles (4,800 km) of the OIL CHANGE REQUIRED message
appearing in the message center.
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].)
336
2012 MKZ (378)
Owners Guide, 1st Printing
USA (fus)
Change engine oil and filter as indicated by
message center and perform services listed in the
Normal Scheduled Maintenance chart
Replace cabin air filter (if equipped)
Replace engine air filter
Change automatic transmission fluid (except
Focus)
Replace spark plugs