Need an ignition interlock device near Shrewsbury? Intoxalock is available at Ziebart of Shrewsbury, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Cullen Automotive 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. They are also a full service repair shop, check out their other products and services while you're in.