Tesla Tesla's cars all have a fixed glass roof option. Data told engineers they didn't need the window to open.

Do you love a little highway wind blasting through the top of your car and ruffling your hair?

Then a Tesla may not be for you. The EV maker's current consumer models — the Model 3, Model Y, and the soon-to-be-discontinued Cybertruck — offer glass roofs that are fixed in place.

During an episode of "Jay Leno's Garage" released on Monday, Franz von Holzhausen, Tesla's chief designer, explained why the movable glass roof panels once offered on the Model S are no longer available.

First, Tesla thinks the novelty wears off on drivers.

"I mean, we're a very data-driven company," he said.…