"O" - Off-Road Operation

When operating in off-road conditions:

- Change engine oil and install a new oil filter every 8,000 km ( 5,000 mi ) or 6 months.
- Inspect and rotate tires every 8,000 km ( 5,000 mi ).
- Change transfer case fluid every 96,000 km ( 60,000 mi ).
- Install a new cabin air filter as required ( if equipped ).
Inspect and lubricate U-joints and halfshafts.
Inspect and lubricate steering linkage ball joints with zerk fittings.