The Corolla CVT basically has fewer clutches than a conventional transmission, as well as the belt should not be slipping. Your car is perhaps much too new for anybody to have even thought about switching their fluids -- apart from those people who are on This page. I referred to https://cvttoyota52950.myparisblog.com/34917764/how-cvt-toyota-can-save-you-time-stress-and-money