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Top-rated ignition interlock provider for over 30 years


An ignition interlock (also known as an IID or in-car breathalyzer) is a fuel-cell device installed in your car that tests your breath for alcohol before it allows the vehicle to start. Program lengths vary, and our customer support will be with you from start to finish.


Call us for ignition interlock installation service near you and our team will walk you through everything. We have convenient locations across the country and offer Saturday and same-day appointments.


Existing customers will find everything you need to know to use your LifeSafer Ignition Interlock here. Videos, forms, troubleshooting tips, and frequently asked questions will keep you driving.

The best interlock for over 30 years

For over 1.5 million drivers and even more miles, LifeSafer has successfully helped people like you get back on the road quickly and safely. We provide accurate, timely, and reliable services to help you successfully complete your ignition interlock program. We offer the best in class Customer Support, 5 minute online enrollment with No-Call Install, and even Guaranteed Same Day Installation. It has never been easier to get your life back. Experience the LifeSafer Difference today!

The LifeSafer Difference

For over 30 years we have helped more than 1.5 Million customers get back on the road. Experience the LifeSafer Difference.

Guaranteed Same Day Installation

We offer Guaranteed Same Day Installation or Your First Month Free. Find a location near you.

No-Call Install™

No-Call Install™ is the first and only fully online enrollment process to schedule an ignition interlock installation. Enroll in less than 5 minutes and get your guaranteed same day installation appointment. Schedule Now!

Smallest and Easiest Device

Our device is the smallest and easiest to use on the market. Competitors don’t even come close. Our Devices.