150000 MI or 240000 KM

Check
    Brakes and Traction Control
Inspect
    Air Filter Element
      If driven in dusty areas, replace as necessary
Replace
    Oil Filter, Engine
    Engine Oil
      Change engine oil and filter as indicated by the GM Oil Life System (or every 12 months, whichever occurs first). Reset the system.
Rotate
    Tires
Flush
    Cooling System
      Drain, flush and refill cooling system (or every 60 months since last service, whichever occurs first). Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test the cooling system and pressure cap.