30000 MI or 48000 KM

Inspect
    Fuel Supply Line
      Inspect the fuel tanks, cap and lines for damage or leaks. Inspect the fuel cap gasket for any damage. Replace parts as needed.
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.
    Air Filter Element