Choosing an Ignition Interlock Provider You never expected to be shopping for an ignition interlock system, but since you are we want to help make your installation as convenient as possible and your program outcome successful. LifeSafer ignition interlock devices are installed and backed by dedicated, interlock-specialist Service Providers experienced in helping clients through their interlock programs. LifeSafer has been the ignition interlock industry leader in the U.S. for 20 years. With us, you get a professionally managed program with expert guidance. You can expect knowledgeable answers to your questions and concerns. We have built our business around reliable and easy to use products supported by outstanding customer service that responds to what you need and want, when you need it.