30000 MI or 48000 KM

Lubricate
    Steering
      Lubricate steering linkage.
Inspect
    Exhaust System
    Cooling System
      Check engine coolant level, hoses, and clamps.
    Brake Hose/Line
Replace
    Spark Plug
    Oil Filter, Engine
    Engine Oil
    Air Filter Element
      California (Medium Duty) Emissions
Rotate
    Tires