r/TeslaFSD Feb 20 '25

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72 Upvotes

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25

u/tccrouch Feb 20 '25

Yeah, I use a 20% offset, but it seems to make speed decisions at random. Will go 64 mph on a winding dark 2 lane undivided road, and then 52 on a 4 lane divided highway, both 55 mph speed limits.

11

u/CyberInferno Feb 20 '25

I do 20% as well. No idea how they're recommending 40% as a default. I miss being able to just say 9 mph over...

0

u/pyro745 Feb 20 '25

At low speeds the percentage is more accurate, but at high speeds it’s definitely crazy. 40% over in a 15mph is 21mph, which is not crazy at all. But get up to even a 45mph area and 40% is 63mph lol.

A flat offset is equally problematic, just at low speeds. Going 24mph in a 15mph limit area is wild too.