Connecticut ignition interlock device state laws FAQs

An ignition interlock device is a breathalyzer that is installed in your vehicle to prevent drinking and driving. It is made up of a mouthpiece, a handheld unit and a cord that attaches to your vehicle’s ignition system. You are required to blow into the mouthpiece to test your Breath Alcohol Concentration (BrAC) before starting your car. For more information see our what is an interlock page..

To view Connecticut IID requirements, please visit the Connecticut state page.

For pricing information, see Connecticut pricing

Connecticut approves the Intoxalock Legacy and the Intoxalock eLERT24 device. Each device uses fuel cell technology which ensures the highest accuracy in the industry at an affordable price!

Please visit the Connecticut state page to learn more about what steps you need to take to get back on the road.

To learn more about the steps to regaining your license, please visit our Connecticut state page.

To find the Connecticut Intoxalock service center closest to you, please visit our Connecticut installation locations page.

The only way to confirm you are eligible to remove the device is to check with your monitoring authority.

Contact your monitoring authority to ensure you are eligible for removal.

Please visit the Connecticut state page to learn about other OUI requirements.

For pricing information, see Connecticut pricing page.

To find an OUI attorney, please visit our Connecticut attorney partners page.
To find a treatment center, please visit or Connecticut treatment center partners page.

To see how an ignition interlock device works, visit our ignition interlock page and watch our video demonstrating how to use the device.

To learn more about ignition interlock information, please visit our partner site.