7500 MI or 12000 KM

Lubricate
    Tie Rod End
      Lubricate outer tie rod ends.
Inspect
    Diesel Emissions Fluid Tank
      Check the Diesel Exhaust Fluid (DEF) tank, refill if necessary (Chassis Cab Only).
Replace
    Oil Filter, Engine
      When prompted by the Engine Oil Indicator System, the engine oil filter must be changed. If not propmted by the Engine Oil Indicator System within 7,500 miles or six months since the last oil filter change, replace the engine oil filter.
    Engine Oil
      When prompted by the Engine Oil Indicator System, the engine oil must be changed. If not propmted by the Engine Oil Indicator System within 7,500 miles or six months since the last oil change, replace the engine oil.
Rotate
    Tires
      Rotate tires.