Guardian Interlock

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 MD certified and our expert technicians at 1121 South Salisbury Blvd 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 get back on the road again.

Fast. Easy. Discreet. RoadGuard Interlock gets you back on the road with a car breathalyzer that is FAST to warm up, EASY to use, and DISCREET so you can focus on the road ahead. As an approved Maryland Ignition Interlock provider, we have convenient ignition interlock installation near you in Salisbury, Maryland at 601 N. Salisbury Blvd. With a proven track record, RoadGuard Interlock offers top-tier ignition interlock devices that won't damage your vehicle, professional installation, and reliable customer service. Call us today to schedule an appointment for your car breathalyzer installation, calibration, or removal in Salisbury or any of our other convenient locations throughout the state of Maryland.

Intoxalock is the no. 1 ignition interlock device brand in the U.S., and Intoxalock Ignition Interlock in Berlin, MD is here to help you get back on the road after a DUI. Intoxalock has more locations than any other provider, and we can find an interlock installation location near you. We will help you understand MD interlock, or IID, laws and regulations. Our interlock installation locations are staffed with certified professionals who will install and service your car breathalyzers. For 30 years, Intoxalock has been a trusted interlock ignition device provider. Call now to talk to a MD expert.