this post was submitted on 07 Feb 2026
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New HW4 Teslas do in fact include a front-facing radar, but it's currently only used for collecting data - not for FSD.
Still, gotta give them credit for getting by with vision-only quite well. I don't personally see any practical reason why you absolutely must include LiDAR. We already know driving relatively safely with vision only is possible - all the best drivers in the world do it.
LiDAR lets you see better than humans, so why wouldn’t you use it? What about fog, darkness, or other common roadside conditions?
Ignoring the best sensors means they can never surpass the safety of other self-driving vehicles. It was short sighted (pun intended) to remove that hardware. They have intentionally crippled their vehicles.