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Tesla driver charged with manslaughter after car in FSD mode crashes into Texas home
(www.techspot.com)
This is a most excellent place for technology news and articles.
As a different owner, pressing the accelerator while in FSD does not disengage. Keeping it pressed shows a warning that the car will not brake while you are overriding it. Holding it for a longer period (maybe 20s?) will start some warning feedback that will result in FSD disengaging after several more seconds. It also disengages if you exceed a set limit, which I think is 85, but I don't hit that situation often.