IID

Ignition Interlock Device

What if I voluntarily remove the IID from my vehicle before I am eligible to have it removed?

If you remove the IID from your vehicle before you are eligible, we will receive notification from the IID installer/manufacturer, you will be suspended for the remaining term of your original suspension.  A new suspension with a 10-day lead time will be mailed to you.  The lead time and any Departmental processing time will not be counted towards your suspension.

What is an Ignition Interlock Device

An Ignition Interlock Device, referred to as an “IID”, is an after-market device which is installed in a vehicle.  The IID is connected to the starter or ignition, or other on-board computer system of a vehicle.  The device prevents a driver from operating the vehicle if the driver has been drinking.  Before starting the vehicle, a driver must blow into the device; if the driver’s BAC is at or over a pre-set limit, 0.02 in Vermont, the IID will not allow the vehicle to start.  Once the vehicle is started, at random times during the operation of the vehicle, the device will prompt the driver

IID Certification of Installation

30 November 2016
Certification completed by the installer of the IID. Installer must be certified to provide ignition interlock device services in Vermont.

IID Manufacturers

All holders of a Vermont Ignition Interlock Restricted License (RDL) or Ignition Interlock Certificate (IIC) must have a camera-equipped ignition interlock device installed in the vehicle. When contacting an installer (or the manufacturer), you must inform them that Vermont requires a camera-equipped device. If you do not have a camera-equipped device, you will not be allowed to drive the vehicle until a camera-equipped device is installed.

Restricted Driver's Licenses

An Ignition Interlock Device Restricted License (RDL) allows you to drive non-commercial vehicles equipped with an ignition interlock device (IID), while your Vermont license is suspended or revoked for an alcohol-related driving under the influence offense. You are granted a conditional reinstatement ahead of your normal eligibility date if you participate in the Ignition Interlock Program.

Ignition Interlock Device

An Ignition Interlock Device, referred to as an "IID," is an after-market device which is installed in a vehicle. The IID is connected to the starter or ignition, or other onboard computer system of a vehicle. The device prevents a driver from operating the vehicle if the driver has been drinking. Before starting the vehicle, a driver must blow into the device; if the driver's BAC is at or over a pre-set limit (0.02 in Vermont) the IID will not allow the vehicle to start.

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Vermont Department of Motor Vehicles
120 State Street
Montpelier, VT 05603-0001

Monday-Friday: 7:45am-4:30pm
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