LifeSafer Ignition interlock is the leading ignition interlock provider nationwide and home to “No-Call Install”, the first fully online installation booking tool. LifeSafer’s locations are CA certified and our expert technicians at 2400 Rosecrans Ave #D can handle all your installation and calibration needs. LifeSafer has over 30 years of ignition interlock experience and has helped over 1.5 million people... Read More about LifeSafer Ignition 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 2400 W Rosecrans Ave is CA certified with expert technicians for all your interlock installation and calibration... Read More about Guardian Interlock

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 5 Star Upholstery and Glass at 14315 Normandie Ave for the most convenient interlock installation in the Gardena, CA area.