Older RADAR had very low resolution, all you saw was a blip on the screen but it didn’t tell you what you were seeing. Like a walking cane, it tells you there is something there but no details. The RADAR that Tesla is now adding is HIGH DEFINITION.
Elon has also previously commented on HD radar, saying “A very high-resolution radar would be better than pure vision, but such a radar does not exist. I mean vision with high-res radar would be better than pure vision.”
The Captain