CVT Failure (at 304,000 km / 189k miles, delivery vehicle)

[Fummins]

This is probably a dumb question, but did you use Mitsubishi's transmission fluid? I read somewhere that using anything other than their fluid would cause issues. I don't know how true that is, but better safe than sorry.

Not dumb at all. I should have mentioned that I used the mitsubishi stuff at first until I found a much