Ignition Interlock Devices in Massachusetts 

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Ignition Interlock in Massachusetts: We’re Always Here for You 

If you have been charged with an OUI, also known as a DUI, we offer more than just one of the best Ignition Interlock Devices  in Massachusetts. Our caring, compassionate specialists are dedicated to helping you complete your car breathalyzer requirement wherever you live. 

Outstanding customer care makes our affordable Ignition Interlock program in Massachusetts even better. We’ll be with you right from the beginning with the services and support you need at any of our Massachusetts service centers. Trust Smart Start and schedule an installation appointment now. 

Ignition Interlock Locations in Massachusetts 

Let’s get started with an installation in Massachusetts that fits your schedule, at one of the convenient locations below: 

Roadmap Start Icon Roadmap Finish Icon

How do you get your license back in Massachusetts after an OUI? 

The following is general information, not legal advice, about the conditions you might have to complete before applying for a reinstated license.

Phase 1: Get Started

Consult Your Legal Counsel

License Hearing

Phase 2: Ignition Interlock Device

Schedule Installation

Obtain SR-22 Certificate

Phase 3: Judicial Requirements

Assessment and Education

Pay Fees and Complete Forms

Phase 4: Monitoring and Calibration

Service Appointments

Phase 5: Device Removal

Removal

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Disclaimer

Please note that the information in the following sections is for general informational purposes only. The materials contained herein are not intended to and should not be relied upon or construed as a legal opinion or legal advice or to address all circumstances that might arise. Information may be dated and may not reflect the most current developments. You should contact your attorney to obtain advice with respect to any particular legal matter. Only your individual attorney can provide assurances that the information contained herein – and your interpretation of it – is applicable or appropriate to your particular situation. Smart Start expressly disclaims all liability regarding actions taken or not taken based on any or all content.

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How much does an Ignition Interlock Device cost in Massachusetts?

At Smart Start, we understand the challenges that come with an OUI and that’s why we provide an affordable and user-friendly IID option to support your successful completion of the Interlock program  

  • Checkmark Free, fast, and customized quotes from our friendly Program Advisors
  • Checkmark No long-term contracts required
  • Checkmark Affordable pricing
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How much does an Ignition Interlock Device cost in Massachusetts? 

Learn more  

Massachusetts Forms

As part of your Ignition Interlock requirement and getting your license reinstated, you may be required to complete or reference specific forms. Get quick access to these forms below: 

DCU135 - Ignition Interlock Operator’s Affidavit

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IID Program Document

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Steps for IID Beginning Process

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Massachusetts FAQs

It’s important to thoroughly understand how IIDs work, and what you’ll need to do to stay in compliance with your program. Get fast answers to your most common questions about Interlocks in Massachusetts. 

What Is An Ignition Interlock Device (IID)?

What Is An Ignition Interlock Device (IID)?

Viewing 4 Topics

How Does It Work?

How Does It Work?

Show 6 Topics

How Do I Get An Appointment?

How Do I Get An Appointment?

Show 3 Topics

How Can We Help?

How Can We Help?

Show 3 Topics

What is an Ignition Interlock Device (IID)?

An Ignition Interlock Device (IID), also called a car breathalyzer, is a device that measures breath alcohol content (BrAC). It is typically installed in your vehicle as part of an administrative or legal requirement after drunk driving. Learn more about Smart Start's Ignition Interlock here.

How do I know if Smart Start’s devices are compliant with my program?

Smart Start is an approved Ignition Interlock vendor for the state of Massachusetts. Smart Start’s Ignition Interlock Devices (IIDs) are also tested to meet the standards set by the National Highway Traffic Safety Administration (NHTSA). 

Do I need the device on all of my vehicles?

Yes, Massachusetts regulations require that you install an Ignition Interlock Device on every vehicle registered in your name. 

What if I have a requirement, but I don’t own a vehicle?

In Massachusetts, if you have a requirement, but you don’t own a vehicle, the Ignition Interlock Device (IID) can be installed in anyone’s vehicle—you can borrow one from a family member, friend, etc.  You only need a letter of permission from the registered owner of the vehicle that allows you to install the Ignition Interlock Device. 

How often does my IID need to be serviced?

Massachusetts state law requires that you service your Ignition Interlock Device (IID) every 25-30 days. 

Where can I go for Ignition Interlock service?

Massachusetts law states that you can service your Ignition Interlock Device at any Smart Start service center nationwide. 

Where do I send a record of my service appointments?

Smart Start will send a record of your service appointments to your state authority on your behalf at no additional cost to you. 

How can I pay for calibration?

You can pay for calibration by credit card or in the Smart Start Client Portal. 

What constitutes a lockout in my state?

In Massachusetts, any and all of the following may result in a lockout: 
  • One missed service visit 
  • Two failed start up tests 
  • One failed rolling re-test 
  • Two skipped tests 

How do I know if I need a camera/GPS/etc.?

Neither the camera nor the GPS is a required addition to the Ignition Interlock Device in Massachusetts. However, the State of Massachusetts requires the installation of a Cellular enabled “Real-Time Reporting” Modem in addition to the Ignition Interlock Device. 

What do I need to bring to my installation appointment?

Once you have scheduled your Ignition Interlock Device (IID) installation in Massachusetts, you will need to bring two forms of identification and proof of residency to your IID installation appointment. 

What should I bring back to my state authority after my device is installed?

Once you have installed your Ignition Interlock Device in Massachusetts, you will need to bring a notarized Operator’s Affidavit, a copy of your Smart Start contract, and your receipt from installation to your state authority. 

How do I know who my state authority is?

In the state of Massachusetts, your state authority is the Massachusetts Registry of Motor Vehicles (RMV). 

What do I need for removal?

To remove in the state of Massachusetts, you will need Removal Authorization paperwork from the Massachusetts Registry of Motor Vehicles (RMV).  If you have completed all periods of license suspension or revocation and met all IID program requirements, and you wish to have the IID removed from your vehicle, you must complete the following steps: 
  1. Bring your vehicle into the IID service provider for a final service visit. At this final service visit, the “final download” of data from the IID will be transmitted to the RMV’s Ignition Interlock Department. This final download of data is valid for 24 Hours. 
  2. Within 24 Hours of the final download of data, you must return to an RMV Hearings Officer for an IID Removal Hearing. At this hearing, the RMV will review the data to determine if any lockouts or violations have occurred in the past six (6) months. 
  3. If you have any lockouts or violations, your IID removal request will be denied. You will be required to participate in the IID program for an additional six (6) months following the date of your last lockout. 
  4. If you do not have any lockouts or violations, the RMV’s Ignition Interlock Department will approve the IID removal. The RMV will provide the operator with a letter indicating that removal of the IID has been authorized. You must bring this letter with you to your IID vendor/service provider to have the IID removed. 

What do I need to install voluntarily?

To install an Ignition Interlock Device on your vehicle or a family member’s vehicle voluntarily, click the chat window below, fill out our online form, or call 800-831-3299 to speak with one of our Program Advisors. 

Can I get one on my motorcycle?

Motorcycle Ignition Interlock installation laws differ by state. Smart Start operates throughout the U.S. as a certified manufacturer and will work harder than other companies to provide you a seamless Interlock program that still follows your case requirements. Please call our Customer Care Center at 800-831-3299 if you have any questions. 

What Is An Ignition Interlock Device (IID)?

What Is An Ignition Interlock Device (IID)?

Viewing 4 Topics

What is an Ignition Interlock Device (IID)?

An Ignition Interlock Device (IID), also called a car breathalyzer, is a device that measures breath alcohol content (BrAC). It is typically installed in your vehicle as part of an administrative or legal requirement after drunk driving. Learn more about Smart Start's Ignition Interlock here.

How do I know if Smart Start’s devices are compliant with my program?

Smart Start is an approved Ignition Interlock vendor for the state of Massachusetts. Smart Start’s Ignition Interlock Devices (IIDs) are also tested to meet the standards set by the National Highway Traffic Safety Administration (NHTSA). 

Do I need the device on all of my vehicles?

Yes, Massachusetts regulations require that you install an Ignition Interlock Device on every vehicle registered in your name. 

What if I have a requirement, but I don’t own a vehicle?

In Massachusetts, if you have a requirement, but you don’t own a vehicle, the Ignition Interlock Device (IID) can be installed in anyone’s vehicle—you can borrow one from a family member, friend, etc.  You only need a letter of permission from the registered owner of the vehicle that allows you to install the Ignition Interlock Device. 

How Does It Work?

How Does It Work?

Show 6 Topics

How often does my IID need to be serviced?

Massachusetts state law requires that you service your Ignition Interlock Device (IID) every 25-30 days. 

Where can I go for Ignition Interlock service?

Massachusetts law states that you can service your Ignition Interlock Device at any Smart Start service center nationwide. 

Where do I send a record of my service appointments?

Smart Start will send a record of your service appointments to your state authority on your behalf at no additional cost to you. 

How can I pay for calibration?

You can pay for calibration by credit card or in the Smart Start Client Portal. 

What constitutes a lockout in my state?

In Massachusetts, any and all of the following may result in a lockout: 
  • One missed service visit 
  • Two failed start up tests 
  • One failed rolling re-test 
  • Two skipped tests 

How do I know if I need a camera/GPS/etc.?

Neither the camera nor the GPS is a required addition to the Ignition Interlock Device in Massachusetts. However, the State of Massachusetts requires the installation of a Cellular enabled “Real-Time Reporting” Modem in addition to the Ignition Interlock Device. 

How Do I Get An Appointment?

How Do I Get An Appointment?

Show 3 Topics

What do I need to bring to my installation appointment?

Once you have scheduled your Ignition Interlock Device (IID) installation in Massachusetts, you will need to bring two forms of identification and proof of residency to your IID installation appointment. 

What should I bring back to my state authority after my device is installed?

Once you have installed your Ignition Interlock Device in Massachusetts, you will need to bring a notarized Operator’s Affidavit, a copy of your Smart Start contract, and your receipt from installation to your state authority. 

How do I know who my state authority is?

In the state of Massachusetts, your state authority is the Massachusetts Registry of Motor Vehicles (RMV). 

How Can We Help?

How Can We Help?

Show 3 Topics

What do I need for removal?

To remove in the state of Massachusetts, you will need Removal Authorization paperwork from the Massachusetts Registry of Motor Vehicles (RMV).  If you have completed all periods of license suspension or revocation and met all IID program requirements, and you wish to have the IID removed from your vehicle, you must complete the following steps: 
  1. Bring your vehicle into the IID service provider for a final service visit. At this final service visit, the “final download” of data from the IID will be transmitted to the RMV’s Ignition Interlock Department. This final download of data is valid for 24 Hours. 
  2. Within 24 Hours of the final download of data, you must return to an RMV Hearings Officer for an IID Removal Hearing. At this hearing, the RMV will review the data to determine if any lockouts or violations have occurred in the past six (6) months. 
  3. If you have any lockouts or violations, your IID removal request will be denied. You will be required to participate in the IID program for an additional six (6) months following the date of your last lockout. 
  4. If you do not have any lockouts or violations, the RMV’s Ignition Interlock Department will approve the IID removal. The RMV will provide the operator with a letter indicating that removal of the IID has been authorized. You must bring this letter with you to your IID vendor/service provider to have the IID removed. 

What do I need to install voluntarily?

To install an Ignition Interlock Device on your vehicle or a family member’s vehicle voluntarily, click the chat window below, fill out our online form, or call 800-831-3299 to speak with one of our Program Advisors. 

Can I get one on my motorcycle?

Motorcycle Ignition Interlock installation laws differ by state. Smart Start operates throughout the U.S. as a certified manufacturer and will work harder than other companies to provide you a seamless Interlock program that still follows your case requirements. Please call our Customer Care Center at 800-831-3299 if you have any questions. 

See What Everyone Says About Our Ignition Interlock

Excellent TrustScore Rating
#1 Customer Rated 4.7 out of 5
September 11, 2025
"The representative was very helpful."
Angie burns.
United States
September 10, 2025
"Erica help the process of getting this done very simple fast and easy. Crappy situation but at least this isn’t stressful lol"
Jarrel Broussard.
United States
September 9, 2025
" She was very patient accurate & to the point!took no time to get my interlocking appointment scheduled "
Gene Grier.
United States