Need an ignition interlock device near Denver? Intoxalock is available at Car Toys, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Car Toys Broadway location has been servicing the downtown Denver location for Intoxalock ignition interlock installations since 2011. The Car Toys name was established in 1987 and is the largest independent, multi-channel, specialty car audio and mobile electronics retailer in America. They have locations in major cities across Washington, Oregon, and Texas as well.