All phone interviews. First with HR, then with engineers/managers. Most of the questions reflected on the resume or would demonstrate the thought process of the interviewee. I would suggest to know your resume and to have an idea of the group/position you are getting interviewed for.
Why Tesla?
The following metrics were computed from 3 interview experiences for the Tesla Engineering role in Canada.
Tesla's interview process for their Engineering roles in Canada is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for Tesla's Engineering interview process in Canada.