"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 Such As Delivery, Taxi, Patrol Car Or Livery

EVERY 3,000 MILES or 3 months or 200 hours of engine operation Change engine oil and replace oil filter.

EVERY 3,000 MILES or 3 months Lube front lower control arm and steering linkage ball joints with zerk fittings, if equipped.

EVERY 5,000 MILES Inspect brake system Check battery electrolyte level.

EVERY 15,000 MILES Replace fuel filter.

EVERY 30,000 MILES Change automatic transmission/transaxle fluid (not required on 6R60 transmission) Lubricate 4X2 front wheel bearings, replace grease seals, and adjust bearings.

EVERY 60,000 MILES Replace spark plugs Change transfer case fluid.

AS REQUIRED Replace cabin air filter cabin air filter.