Don’t get mad, get even (and the thief will no doubt see you in court with a $30m damages claim): according to the Wall Street Journal, Simi Valley, California-based Crimestopper Security Products Inc has a anti-carjacking system called Vector designed to frustrate hoodlums that steal your car at knife or gun point – popular MO in LA – as the thief screams away the owner can set off the car’s alarm system with a hand-held remote control with a two-minute built-in delay so the thief is too far away to come back and trash you when it goes off – and the system can be programmed to shut off the engine or prevent it restarting after the car is parked; after the third time, you also add the inside pain generator – blasts the felon with an ear-splitting siren from within the car.