"E" - Use of E85 50% of the Time or Greater (Flex Fuel Vehicles Only)

Every 3,000 miles or 3 months - Change engine oil and replace oil filter.
- 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 (Patrol Cars)

Every 15,000 miles - Replace fuel filter.

Every 30,000 miles - Change automatic transmission fluid.
- Lubricate 4X2 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, if equipped.