Need an ignition interlock device near Plainfield? Intoxalock is available at Zippo's Car Stereo, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Zippo's Car Stereo has been serving the Plainfield, NJ area for over 30 years. They carry the latest auto accessories such as, Bluetooth solutions, navigation and security systems. In 2015 Zippo's Car Stereo began installing the Intoxalock ignition interlock device.