An ignition interlock device, or car breathalyzer, is a discreet device installed in a vehicle to prevent drunk driving. The device requires a driver to pass a breath alcohol content (BrAC) test before …

An ignition interlock device or breath alcohol ignition interlock device (IID or BAIID) is a breathalyzer for an individual's vehicle. It requires the driver to blow into a mouthpiece on the device before starting …

Intoxalock is an approved interlock provider in 46 states. Talk to a state specialist today for step-by-step assistance.

What Is an Ignition Interlock Device (IID)? An IID is about the size of a cell phone and wired to your vehicle’s ignition. After installation, the IID requires you to provide a breath sample before the engine …

An ignition interlock device (IID), also known as a car breathalyzer or “blow and go,” is a small handheld unit connected to a vehicle’s ignition system that measures breath alcohol levels before allowing the …

Jun 25, 2025 · What Is an Interlock Device and Why Does It Matter? An ignition interlock device (IID) is essentially a mini breathalyzer that’s wired directly into your car’s ignition system. The device itself is …

Sep 15, 2025 · Alcohol ignition interlocks are devices installed in vehicles that measure alcohol on the driver's breath. They keep a vehicle from starting if the driver has a blood alcohol concentration …

Wondering, "how does an interlock device work?", we’re here to help. Understand interlock device basics, plus get info on installation and maintenance.

Installing an Ignition Interlock Device (IID) on your vehicle is a common legal or administrative requirement for drivers after a DUI. An Interlock Device requires the driver to blow into the device …

What Is an Ignition Interlock? Simply stated, an ignition interlock is a device installed on a motor vehicle that requires a breath sample to determine the driver’s breath alcohol concentration (BrAC) before …