When it comes to an ignition interlock, it is nothing but a handheld small device, which is connected to a vehicle in order to measure how much alcohol the user has consumed. Effectively it gets hold of the amount from the breath of the user.  In simple terms, it is a kind of device which can also be called a car breathalyzer, which does not allow someone to start a car unless he takes and alcohol test. There is a pre-set limit which is marked in the device. The test shows th