Also, really should it be a drain and refill or a complete substitute of all the fluid at 30k miles? I will go out on the limb and believe that Toyota has become bettering their CVTs over the years (not always which the 2014-2019 were being poor) but that might https://cvttoyota41739.digitollblog.com/34172073/the-5-second-trick-for-cvt-toyota