As-salam alaikum I have a Toyota Corolla GLI 1.3 from 2018, and since the very beginning, I have been using 10W-40 oil because I didn't have much knowledge, and it was recommended by some mechanic. However, I have now realized that this was a mistake because 10W-40 oil should be used for cars with over 100,000 kilometers mileage, whereas my Corolla has mileage only around 45,000 kilometers. I don't have knowledge about a good engine oil for my car and have turned to this forum to find an answer.
