"I" - Extensive Idling, Low-Speed, Commercial Use-Taxi, Police, Delivery
SPECIAL OPERATING CONDITION "I" - Extensive idling and/or low-speed driving for long distances as in heavy commercial use (i.e. delivery, taxi, patrol car or livery).
EVERY 30,000 MILES (48,000 km) - Change automatic transmission fluid.
EVERY 60,000 MILES (96,000 km) - Replace spark plugs.
AS REQUIRED - Change engine oil and filter as indicated by message center and perform services listed in the Normal Schedule Maintenance chart.
INSPECT FREQUENTLY, SERVICE AS REQUIRED - Replace cabin air filter (if equipped).
INSPECT FREQUENTLY, SERVICE AS REQUIRED - Replace engine air filter.