Remove the engine room under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
Loosen the oil filler plug (A).
Check the oil level.
Oil level should be consistent with the oil filler hole.
If not, should add oil through the oil filler plug hole.
Install the oil filler plug with new gasket.
Tightening torque:
58.9 ~ 78.5 N.m (6.0 ~ 8.0 kgf.m, 43.4 ~ 57.9 lb-ft)
Install the engine room under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")