Need an ignition interlock device near El Cerrito? Intoxalock is available at Hi Tech Car Audio, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.For nearly 30 years, Hi-Tech Car Audio has been servicing the San Francisco Bay area with the best in mobile audio, security and entertainment. They are passionate about finding solutions to their customers needs. Check out their website to view some of their work, get to know their employees and view their weekly specials. Hi-Tech Car Audio has installed Intoxalock ignition interlock devices since 2015.