What is an ignition interlock device?

An ignition interlock device (IID) is a device installed in a vehicle that prevents it from starting unless the driver provides a breath sample with an alcohol content lower than a predetermined level. This device is used to discourage driving while under the influence of alcohol in Minnesota. The device is a breathalyzer attached to the car’s ignition system. When the vehicle is started, the driver has to blow into the device, and the alcohol level is measured. If the content is above the predetermined legal limit, the car won’t start and the driver cannot drive. If the IID detects alcohol above the legal limit, it records a violation. The device must be checked and recalibrated every month. Violations can lead to an extension of the period when the IID is required to be used, fines or other penalties. The IID is part of the DUI laws in Minnesota, and every driver who has been convicted of a DUI has to install it in their car to stay in compliance with the law. It is an important tool to help keep people safe on the road.

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What is an ignition interlock device?

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