Need an ignition interlock device near Southbridge? Intoxalock is available at Southbridge Car Care, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.The technicians at Southbridge Car Care are experienced and qualified ASE Master Certified. Southbridge provides customers with a full service repair shop and takes time to inform customers about procedures done to their vehicles. In 2009, they became an authorized Intoxalock ignition interlock installer.