[world2vec]

To ensure the driver has eyes on the road all time. It detects if you're not paying attention and beeps at you. I don't think it can be disabled.

[falcor84]

Ah, thanks, I just found more detail here - https://github.com/commaai/openpilot/blob/master/docs%2FSAFE...

They say it's required for ISO compliance with Level 2 autonomous driving