Need an ignition interlock device near Carroll? Intoxalock is available at Wittrock Motor Company, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Wittrock Motor Company is a 75 year, 3rd generation family and locally owned dealership. We offer new and quality used Chrysler, RAM, Dodge and Jeeps in Carroll. Along with our many services, we've been installing Intoxalock ignition interlock devices for over three years.