Ignition Interlock

Maine Interlock Laws: What You Need to Know After an OUI

Published on: March 31, 2026 | by Webb Law Firm

What Is an Ignition Interlock Device?

An ignition interlock device (IID) is a breathalyzer wired into your vehicle’s ignition system. It prevents the engine from starting if it detects alcohol on your breath. Maine requires these devices under certain OUI convictions to keep impaired drivers off the road.

The device works as follows. Before you start your car, you blow into a small handheld unit mounted near the dashboard. If your breath sample registers a blood alcohol concentration (BAC) above the preset limit – typically 0.05% – the engine will not start. Once you are driving, the device requires rolling retests at random intervals. You must pull over safely and provide another breath sample within a few minutes.

Maine Breathalyzer in Car Law: What You Need to Know After an OUI

Published on: March 31, 2026 | by Webb Law Firm

What Is a Car Breathalyzer (Ignition Interlock Device)?

Maine law requires certain OUI offenders to install an ignition interlock device (IID) – a breathalyzer in your car for DUI – before they can legally drive again. This device measures the driver’s blood alcohol concentration (BAC). It prevents the vehicle from starting if alcohol is detected above the preset limit.

An ignition interlock device is a small electronic unit wired into your vehicle’s ignition system. Before you can start the car, you must blow into a mouthpiece. The device analyzes your breath sample for alcohol. If your BAC reads above 0.02% – the standard threshold in Maine – the car will not start.

Maine OUI License Suspensions, Interlock Devices & How to Reinstate Your License

Published on: May 27, 2021 | by Webb Law Firm

What Happens to Your License After an OUI in Maine?

A suspended license in Maine after an OUI charge can upend your daily life. You may lose the ability to drive to work, pick up your kids, or handle basic errands. This article explains how long OUI suspensions last, how ignition interlock devices work and what they cost, whether you can get a restricted license, and the exact steps to reinstate your driving privileges. If you are wondering how to reinstate your suspended license in Maine, you will find a clear step-by-step guide below.

How Long Is Your License Suspended After an OUI in Maine?