A British car protection device is that promises to give car thieves a hard time is undergoing trials, reports the Daily Mail: the Auto Tracer is a UKP300 radio receiver attached to a dashboard sign saying You’re a thief – abandon this car a rear window sign saying This car is stolen – the driver is a thief, a siren, a fuel cutout and headlight flasher, all activated by simply calling a British Telecommunications Plc radiopager number; we just don’t want to be around when the wife of the first guy who finds the car missing and leaps to unwarranted conclusions gets home.