This gives me strong Samir! You are breaking the car! vibes.
Samir....You're breaking the car!!!

YouTube
Okay, please someone explain this video to me. Is samir blind? Is this like, a test, to see if a blind man can drive with a navigator? Why is there a navigator telling him about medium lefts? Should a driver not be able to see a medium left coming up? What is happening here?
Adding on, something I didn’t realize for a while is that the driver practices the course and writes their own instructions. Then the co-pilot relays during the race.