Protect your car from catalysator theft Tramigo OBD Premium is equipped with a sensitive motion detector built-into the device which helps owners protect their vehicles from catalysator theft. Once you have installed and activated your Tramigo OBD device, you will be able to use your mobile phone to activate the “Tow alarm” feature, which will send automatic alerts to your phone if your parked vehicle is moved, towed or someone attempts to raise the car to access the underside.