Every 20,000 miles
(32,000 km)Replace cabin air filter (if equipped)
Every 30,000 miles
(48,000 km)Replace climate-controlled seat filter (if
equipped)
Every 100,000 miles
(160,000 km)Change engine coolant and motor/electronics
coolant
1
Replace spark plugs
Inspect accessory drive belt(s)2
Every 150,000 miles
(240,000 km)Change automatic transmission fluid and filter
(filter not required on 6F35, 6F50, DPS6 and
AWF-21 transmissions); consult dealer for
requirements
Change manual transmission fluid
Change rear axle fluid (RWD vehicles)
Replace accessory drive belt(s) if not replaced
within the last 100,000 miles (160,000 km)
Replace timing belt (Fiesta);failure to replace
timing belt can cause internal engine
damage
1Initial replacement at 100,000 miles (160,000 km) or 72 months; every
50,000 miles (80,000 km) or 36 months thereafter
2Perform a follow-up inspection at 120,000 miles (192,000 km)
Scheduled Maintenance Guide
332
2011 MKZ Hybrid(hkz)
Owners Guide, 2nd Printing
USA(fus)
