Change Engine Oil

Run the engine until if reaches normal operating temperature.
Turn off the engine.
Remove the oil filler cap and oil filter and then drain plug.
Drain the engine oil.
Tighten the drain plug to the specified torque.
Tightening torque

Oil pan drain plug:

35 ~ 45 Nm (350 ~ 450 kg.cm, 25 ~ 33 lb. ft)

NOTE: Whenever tightening the oil drain plug, use a new drain plug gasket.

Fig 1: Identifying Engine Oil Drain Plug & Seal
Courtesy of HYUNDAI MOTOR CO.
Fill the new engine oil through the oil filler cap.
Drain and refill

Oil quantity: 4.3 lit (4.5 U.S. qts., 3.8 lmp. qts.)

NOTE: Do not over fill. This will cause oil aeration and loss of oil pressure.
Install the oil filler cap.
Start and run the engine.
Turn off the engine and then check the oil level. Add oil it necessary.