Active Interlock, LLC is a provider of the ignition interlock device known as The Determinator. The Determinator is an alcohol specific ignition interlock device. A vehicle equipped with an ignition interlock device cannot be driven unless the driver passes breath alcohol tests via an analyzer installed in the vehicle. Ignition interlock devices are increasingly effective in reducing drunk driving accidents and deaths. They have also been shown to dramatically reduce repeat offenders. We are also an authorized installer of Alcohol Detection Systems ignition interlock devices.