Flip one toggle in the Ford app, and a two-and-a-half-ton F-150 will roll to a stop and simply refuse to start again — even with a valid key sitting right in the ignition. That's the blunt, practical ...

Ford wants you picturing a thief. Someone jimmies open your F-150, leaves your own key on the seat, and floors it down the interstate while you stand on the curb reaching for your phone. That's the ...