18000 MI or 28800 KM

Lubricate
    Steering and Suspension
      Lube front lower control arm and steering linkage ball joints with zerk fittings, if equipped. If using Special Operating Condition I, only.
Replace
    Oil Filter, Engine
      Replace oil filter if using Special Operating Conditions T, I, or D only.
    Engine Oil
      Replace oil if using Special Operating Conditions T, I, or D only.