> I'm sure I saw cars with an option to read speed limit signs about 10 years back. To be fair, those systems were just best-effort. I'm pretty sure Teslas can

> I'm sure I saw cars with an option to read speed limit signs about 10 years back. To be fair, those systems were just best-effort. I'm pretty sure Teslas can handle far harder sign situations than those. The problem is the edge case and while Telsa may fair better, the older assistant systems did explicitly warn you that it was best effort.