The recent fuss over Toyota’s recalls has brought a lot of attention to a previously rather boring car feature: brake override. It wasn’t a very sexy feature until we began reading about throttles gone rogue, taking drivers on a terrifying ride. Brake override, and its absence on the affected Toyota models, became very interesting all of a sudden. But how does it work? Does it really work? Our sister publication Consumer Reports has a test track and some Toyotas lying around, so they set out to find out.