30000 MI or 48000 KM

Check
    Spare Tire
      Check spare tire for proper pressure and correct stowage.
    Fluid - Transfer Case
      Check transfercase fluid level.
Inspect
    Positive Crankcase Ventilation Valve
      Inspect PCV valve, replace as necessary.
    Air Filter Element
      Inspect engine air cleaner filter, replace if necessary.
Replace
    Spark Plug
    Oil Filter, Engine
      Replace at 3,000 miles (5000 km) or 3 months, whichever comes first.
    Fluid - Differential
      Change front and rear axle fluid.
    Engine Oil
      Replace at 3,000 miles (5000 km) or 3 months, whichever comes first.
Rotate
    Tires