FORD 2013 Flex v.4 - Manual (Page 392)

Extensive idling or low-speed driving for long distances as in
heavy commercial use (such as delivery, taxi, patrol car or
livery)
As required Change engine oil and filter as indicated by
the information display and perform services
listed in the Normal Scheduled Maintenance
chart.
Inspect frequently,
service as required Replace cabin air filter (if equipped).
Replace engine air filter.
Every 30000 miles
(48000 km) Change automatic transmission fluid (except
Focus).
Every 60000 miles
(96000 km) Replace spark plugs.
Operating in dusty or sandy conditions such as unpaved or
dusty roads
Inspect frequently,
service as required Replace cabin air filter (if equipped).
Replace engine air filter.
Every 5000 miles
(8000 km) Inspect the wheels and related components for
abnormal noise, wear, looseness or drag.
Rotate tires, inspect tires for wear and
measure tread depth.
Every 5000 miles
(8000 km) or six
months Change engine oil and filter. *
Perform multi-point inspection.
Every 30000 miles
(48000 km) Change automatic transmission fluid (except
Focus).
Every 50000 miles
(80000 km) Change manual transmission fluid.
* Reset your Intelligent Oil-Life Monitor after each engine oil and filter
change. See the Instrument Cluster chapter.
Exclusive use of E85 (flex fuel vehicles only)
Every oil change If ran exclusively on E85, fill the fuel tank full
with regular unleaded fuel.
Scheduled Maintenance 391
2013 Flex (471)
Owners Guide gf, 4th Printing, December 2012
USA (fus)