Unless I've been driving very differently from you, most of the things that I care about the precise distance of are well within 20 meters. And moreover, it's

Unless I've been driving very differently from you, most of the things that I care about the precise distance of are well within 20 meters. And moreover, it's lucky at best if my Model 3 acknowledges a car 20m away on the preview. It struggles with cars a few feet from me on the diagonal at stoplights.