S40 L4-1.9L Turbo VIN 29 B4204T3 (2001)
Undo the drain plug.
Allow some of the oil run out.
Install drain plug with a new gasket.
Tightening torque: 40 Nm
Check the level taking account of temperature.
The oil can also be sucked out through the dipstick pipe using an oil suction syringe with a narrow gauge hose.
NOTE!
Strict cleanliness is important.