I applied through other source. The process took 2 days.
Good, positive. Try to ask about the team and manager. What are their work, how they do that, why. Just keep asking and try to involve the problem the team are facing.
The following metrics were computed from 10 interview experiences for the Tesla Cell Engineer role.
Tesla's interview process for their Cell Engineer roles is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for Tesla's Cell Engineer interview process.