Need an ignition interlock device near Milwaukee? Intoxalock is available at Sound on Wheels - WI, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Sound on Wheels has been providing the Milwaukee area with name brand quality auto accessory installations for over 10 years. Sound on Wheels is a certified Intoxalock ignition interlock device installer. Other services they offer include amplifier, subwoofer and car alarm installations.