Owner's Manual
Page 460
...;C), replace every 60,000 mile (U.S.)/ 100,000 km (Canada). Inspect drive belt Replace transmission and transfer fluid Driving in the air from industry and from diesel-powered vehicles, replace every 15,000 miles (24,000 km). This requires transmission and transfer fluid changes more frequently than recommended by the Maintenance Minder...
...;C), replace every 60,000 mile (U.S.)/ 100,000 km (Canada). Inspect drive belt Replace transmission and transfer fluid Driving in the air from industry and from diesel-powered vehicles, replace every 15,000 miles (24,000 km). This requires transmission and transfer fluid changes more frequently than recommended by the Maintenance Minder...