it seems that it is electronic from what I read about the Taycan roof last night. So as much shade as you want or completely clear. I also read it was expensive. I do not know if that is true true, or because it is a marked up add on.
I want to say, so Iām saying it. Years ago they did a test of pickups driven with the tail gate up vs down for fuel efficiency. Like this ok, now that I found that it is a much more specific manufacturer test. I mention it because tail gate up would be similar to vault cover up.
I donāt think, as Iāve stated previously in this thread, that Tesla has competitors. Just other car companies trying to sell cars and stay in business. The other car companies may think they are competing but they are trying to stay in business. If they are still here in a year then maybe...