"Fail safe" is slamming on the brakes on a power failure? I heard a funny story about a guy who was used to chewing while driving and he'd open the door a crac

"Fail safe" is slamming on the brakes on a power failure? I heard a funny story about a guy who was used to chewing while driving and he'd open the door a crack to spit. Apparently some cars engage brakes if a door opens and he was driving his son's new Jeep going 50 mph.