Trust us: it's worth checking your car oil is at an optimum level. If you do so, your car will thank you!
How to check manual transmission fluid (MTF)?
Transmission oil is a mixture of base oil and additives with very good anti-wear and anti-scoring properties and good stability to thermal oxidation. Manual transmissions use a variety of oils: regular motor oil, heavyweight hypoid gear oil or even automatic transmission fluid in some cases. Your owner's manual will tell you what your transmission calls for.