Also, need to it be a drain and refill or a whole replacement of the many fluid at 30k miles? My 2014 Corolla wanted a completely new transmission at 96K miles. My next vehicle features a adhere. Shifting fluid is just not a trival point. They've designed it hard - https://cashweklk.blogdemls.com/34251828/5-tips-about-cvt-toyota-you-can-use-today