> How do you signal a turn then?
Buttons on the steering wheel. It's not very usable when you're trying to indicate while turning (like around a roundabout):
https://www.motortrend.com/reviews/tesla-steering-wheel-mode...
https://www.youtube.com/watch?v=yA2dSHu-hns
> How do you change the gear?
Via the touch screen or buttons in the overhead console:
https://www.youtube.com/shorts/h6CgpHMuqC8
They are both dumb design choices.