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 …

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 …

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

An ignition interlock is an after-market device installed in a motor vehicle to prevent a driver from operating the vehicle if the driver has been drinking.

What is an ignition interlock device (IID)? An ignition interlock device (IID), also known as a blow and go, is a small handheld device that connects to a vehicle’s ignition system and measures the amount of …

Jun 25, 2025 · An ignition interlock device (IID) is essentially a mini breathalyzer that’s wired directly into your car’s ignition system. The device itself is about the size of a cell phone, making it compact and …

Some individuals attempt to bypass IIDs by having someone else provide a breath sample, though modern devices include features to prevent this, such as cameras and identity verification.

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 …

The first ignition interlock device hit the market in 1988 and after proving to be successful in preventing drunk driving fatalities, their use nationwide has increased each year.

First things first — the definition of an Ignition Interlock Device is: An Ignition Interlock Device (IID) is a small handheld device that connects to the ignition system of a vehicle. Before starting the vehicle, …