Transmission fluid improve My wife provides a 2020 Corolla with 49,000 miles. I known as the seller to request when she must agenda her initial computerized transmission fluid change. He replied which the transmission "is sealed," so You do not switch the trans fluid in these cars. Opinions? CVT transmissions https://marcostqlg.blogocial.com/the-basic-principles-of-cvt-toyota-70109415