Drive Today – the best location, price and device when you need an ignition interlock.


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.

Top-rated ignition interlock provider

The best interlock for 30 years

For thousands of drivers and millions of miles, LifeSafer has taken ownership of the total customer experience. We provide accurate, timely, and reliable services to help you successfully complete your interlock program.

We are wallet friendly

Our pricing is competitive, upfront, and easy to understand.

We are available any time

You will never be stuck – customer care is available 24/7, 365 days a year.

We are experts

You won’t have to figure out complex laws, rules or paperwork on your own.

We are committed to your success

We work with your monitoring agency to ensure your reports are submitted correctly.

Your Interlock Program from Start to Finish


At your installation appointment, our trained technicians will check your vehicle and calibrate and install the device. You will watch a training video and walk through how to use your interlock, so you can be confident about hitting the road when you leave the shop. You will find a convenient installation checklist on your state page.

Monitoring & Maintenance

To stay compliant during your program, our trained technicians will regularly inspect your device and test it for accuracy. You can visit any of LifeSafer’s 1,500 locations for this appointment. In addition, LifeSafer’s dedicated reporting team works hard behind the scenes to securely submit your reports to your monitoring agency.


When you’ve completed your interlock program requirements, we’ll get the final paperwork to your monitoring agency and set up an appointment to remove the device. Be sure to only let an authorized LifeSafer technician remove your interlock device. Our team takes care to restore your vehicle’s wiring to its normal operating condition.

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Interlock reviews from actual LifeSafer clients

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