It is a form of electronic monitoring. An ignition interlock interrupts the signal from the ignition to the starter until a valid breath sample is provided that meets maximal alcohol guidelines in that …

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.

Mar 3, 2025 · An ignition interlock device (IID) is a car breathalyzer installed in a vehicle’s ignition system. Before starting the car, the driver blows into the device to provide a breath sample.

Jun 25, 2025 · Ignition interlock devices are typically installed in a motor vehicle as required by law for certain DUI offenses. The device requires you to provide a breath sample before your …

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 alcohol in the user’s breath.

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 …

Innovations and Future Developments in IIDs The technology behind ignition interlock devices continues to evolve, addressing existing limitations and expanding their capabilities.

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.

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.