Transmission fluid change My wife includes a 2020 Corolla with 49,000 miles. I known as the supplier to check with when she really should agenda her 1st automated transmission fluid improve. He replied that the transmission "is sealed," so you don't switch the trans fluid in these autos. Comments? As https://cvt-toyota73949.wssblogs.com/34297286/the-smart-trick-of-cvt-toyota-that-nobody-is-discussing