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 …

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.

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

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 …

What is an ignition interlock device (IID)? 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 …

An IID, also known as a breath alcohol ignition interlock device (BAIID), prevents drunk driving by checking the driver’s breath alcohol content (BrAC) before allowing the vehicle to start.

An ignition interlock is a fuel-cell device installed after market in a vehicle that tests the breath of the vehicle operator for presence of alcohol before it allows the vehicle to start. All U.S. jurisdictions have …

An Ignition Interlock Device (IID) represents a sophisticated piece of technology installed directly into a motor vehicle’s electrical system. This system functions primarily as an in-car breathalyzer that …

Feb 8, 2025 · What Is an Ignition Interlock Device? An ignition interlock device (IID) is a breathalyzer that is installed in a vehicle to prevent it from starting unless the driver provides a breath sample that …