What is an Ignition Interlock Device? | LifeSafer
https://www.lifesafer.com/ignition-interlock-devices/what-is-an-ignition-interlock/
WebAn ignition interlock device (IID) is a small handheld device that connects to a vehicle’s ignition system and measures the amount of alcohol in the user’s breath. Installing one is a common requirement following a drunk driving offense ( DUI, DWI, DUI, OWI, or OVI ).
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