https://autos.yahoo.com/law-install-kill-switches-cars-170000930.html
https://www.reginfo.gov/public/do/eAgendaViewRule?pubId=202304&RIN=2127-AK88
Thanks for these.
They confirm that there is nothing in the legislation that allows or requires automakers to make functionality that allows police to shutdown a car remotely, which was the original claim made.