Need an ignition interlock device near Somerville? Intoxalock is available at Four Wheel Auto LLC, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Four Wheel Auto is one of our local Intoxalock certified locations with convenient hours, prices and services near you. As a certified Intoxalock provider, you can count on reliable, quality service. They offer quick and easy ignition interlock services, installation and deinstallation for your convenience. Call to schedule an appointment to get your device installed, hassle free. Four Wheel Auto is right outside of Boston, in Somerville, Massachusetts. Stop by their shop on Albian Street. They diagnose, repair and maintain all vehicles of all makes and models. Like them on Facebook and read why their customers rate them so highly. Since 2016, Four Wheel Auto has been a certified installation location.