"O" - Off-Road Operation

SPECIAL OPERATING CONDITION "O" - Off-road operation

Change engine oil and install a new oil filter every 8,000 km (5,000 mi) or 6 months.

Rotate tires, inspect tires for wear, measure tread depth and inspect wheel ends for end play and noise every 8,000 km (5,000 mi). Vehicles with dual rear wheels should only be rotated if unusual wear is noted.

Replace wheel bearing grease and install new grease seals on RWD front wheel bearings (if non-sealed bearings) every 48,000 km (30,000 mi).

Change automatic transmission fluid (not required on 6R60/6R75/TorqShift� transmissions) every 48,000 km (30,000 mi).

Install a new cabin air filter as required (if equipped).

Inspect and lubricate U-joints and halfshafts as required.

Inspect and lubricate steering linkage ball joints with zerk fittings as required.