Need an ignition interlock device near Rockland? Intoxalock is available at Certified Auto Repair and Sound (CARS), a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Certified Auto Repair and Sound (C.A.R.S.) has more than 15 yearsí experience in the automotive field, employs ASE Certified technicians and is Maine State Inspection certified. Certified Auto Repair and Sound (C.A.R.S.) began installing the Intoxalock ignition interlock device in 2015.