18000 MI or 28800 KM

Check
    Spare Tire
      Check spare tire for proper pressure and correct stowage.
    Coolant
      Check the engine coolant/anti-freeze level, hoses and clamps.
Inspect
    Vehicle
      After completion of off-road operation, the underside of the vehicle should be thoroughly inspected. Examine threaded fasteners for looseness.
    Exhaust System
    Brakes and Traction Control
      Inspect the brake linings.
    Brake Hose/Line
Replace
    Oil Filter, Engine
    Engine Oil
Rotate
    Tires