Guardian Interlock

Guardian Ignition Interlock is CA’s most affordable ignition interlock device. Guardian’s device is discreet and one of the easiest to use devices on the market. With over 30 years of experience, Guardian is one of the most trusted iid brands. Our location at 17999 E Valley Blvd is CA certified with expert technicians for all your interlock installation and calibration needs.

Low Cost Interlock offers the easiest, cheapest, fastest, most reliable ignition interlock device (IID) for your car. Our ignition interlock system allows you to effortlessly achieve your ignition interlock restriction and get you back on the road. Visit VJs Auto Care at 1046 N Hacienda Heights for the most convenient interlock installation in the La Puente, CA area.

Low Cost Interlock offers the easiest, cheapest, fastest, most reliable ignition interlock device (IID) for your car. Our ignition interlock system allows you to effortlessly achieve your ignition interlock restriction and get you back on the road. Visit Haas Brothers Auto at 139 S Eucla Ave for the most convenient interlock installation in the San Dimas, CA area.