Intoxalock is a trusted IID provider with over 30 years of experience, offering affordable ignition interlocks, dedicated support, and a commitment to safety.

Ignition interlock devices (IID) are small, portable devices that measure Breath Alcohol Content (BrAC). Learn about ignition interlocks and car breathalyzers.

Find answers to common questions about ignition interlock devices (IIDs), such as installation, troubleshooting, calibration, maintenance, pricing and removal.

Intoxalock is a leading ignition interlock device company, with 5,000+ locations across the country. Intoxalock devices meet all state interlock requirements, and our state advisors will guide you through the interlock process.

Learn about ignition interlock device costs, including installation, monthly fees, calibration, and financial assistance. Find affordable IID options at Intoxalock.

Intoxalock devices have simple breath patterns and only one button to activate. Learn how to use your interlock device.

Your Intoxalock ignition interlock installer will: Teach you how to work your device; Answer any IID device questions you have; Provide you with extra mouthpieces, if needed; Give you your certificate of IID installation

Get support for your Intoxalock interlock device. Visit to find answers about using your IID and other helpful resources.

Intoxalock is an approved ignition interlock device provider in New York. Read more to learn about NY DWI laws & ignition interlock devices.