Smart Start Ignition Interlock

Davis Auto
1350 Route 14
White River Junction, VT 05001

#1 Ignition Interlock from $1.99/day*. Same-day installation available

Or call (800) 831-3299

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With the thousands of locations across the nation, 24/7 customer support, no hidden fees and the most reliable device on the market, Smart Start Ignition Interlock devices are hands-down the best way to get you back on the road fast.

Get a quick and easy IID installation with Smart Start! Get started today!

¡Obtenga una instalación rápida y fácil de IID con Smart Start! ¡Empieza hoy mismo!

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Interested in an IID ASAP (within 7 days)

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By providing my information and clicking “Book Your Install Now,” I authorize [Insert Legal Name of Franchisee, distributor, or affiliate] to contact me at the phone number above via phone and/or text using multiple and periodic autodialed and prerecorded calls and texts for marketing purposes. Not a condition for purchase. Message and data rates may apply. To opt-out of texts, reply “STOP”.

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Or Call (800) 831-3299 Now!

¡O llame ahora al (800) 831-3299!

Why Choose Smart Start Ignition Interlock?

From $1.99/Day* - No Long-Term Contracts

Bi-weekly payment options designed to fit your budget.

IGNITION INTERLOCK COSTS

3,000+ Locations - Same Day Install

Quick installs by skilled technicians at convenient U.S. locations.

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Discreet, Easy-to-Use Devices

Reliable, hygienic devices with guided tests and easy English-Spanish switching.

SMART START DEVICES

24/7 Knowledgeable State Program Experts

Multilingual support trusted by over 1 million people, ready when you need us.

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#1 Ignition Interlock Device Provider at Davis Auto in White River Junction

Smart Start is the best choice for an affordable and dependable Ignition Interlock Device. Qualified and licensed service technicians install your device quickly and efficiently and provide you with hands-on training to ensure the best test results. With 25 years of first-rate customer service, you can trust Smart Start to provide you with a seamless and stress-free Ignition Interlock Device. For any questions or concerns you may have, our Customer Care Center is available 24/7/365, even on weekends and holidays.

Smart Start White River Junction offers their Ignition Interlock services at Davis Auto, located on Route 14 next to U-Haul and Whitehall Complex. Davis Auto has been in business for 25 years. Shop owner, Fred, is involved with the community by being a part of the Restorative Justice Center for the last 15 years. Fred and his team have been installing and servicing Smart Start Ignition Interlocks for more than five years, and can get you back on the road fast. Go to Davis Auto in White River Junction, VT for all your Smart Start Ignition Interlock needs!

To schedule an installation appointment, call (800) 831-3299. We also have an online form that you can fill out in just minutes. Look for other convenient Smart Start locations in White River Junction, Hartford, Montpelier, or throughout Vermont.

Frequently Asked Questions

The overall cost of an Ignition Interlock Device is a combination of installation fees, monthly service fees, and removal fees. Exact pricing varies by state. To get a quote today, call (800) 831-3299 to speak with a friendly Program Advisor.

Once you have scheduled your Ignition Interlock Device (IID) installation with Smart Start, you will need to bring the following to your IID installation appointment in Vermont:

Two valid forms of identification—one of which should include a photo of you.
Proof of residence.
Any and all court documents that may be relevant to your Ignition Interlock Device requirement or your restricted driving period.
Vehicle registration. If you do not own the vehicle on which you’re installing the Ignition Interlock Device, or if that vehicle is not registered to you, you will need to bring a letter of permission from the registered owner stating that you are allowed to install an Ignition Interlock Device on the vehicle.
The vehicle on which you’ll be installing an Ignition Interlock Device (IID).

If you have any additional questions or concerns about the installation process or what is required for a successful installation, please don’t hesitate to call our customer care team at (800) 831-3299. You can also click on the chat window below to begin a discussion with one of our customer care advocates.

You may be able to service your Ignition Interlock Device at any Smart Start service center nationwide. However, we strongly suggest checking with your state authority in Vermont before seeking service outside of your state. Find the nearest Smart Start service center here.

Typically, you will need to service your Ignition Interlock Device (IID) once every 30-60 days or as determined by your jurisdiction in Vermont.

Ignition Interlock Device violation criteria can vary by state. Any and all of the following may constitute a violation in Vermont:

A skipped rolling retest
Tampering with the Ignition Interlock Device in any way
Any breath sample that registers a BrAC above .02 percent
Missing your scheduled IID service appointment

Learn more about Ignition Interlock Device violations.

In Vermont, you can pay for your Interlock Device calibration via credit card at the Smart Start service center at the time of calibration or via the online Client Portal.

See What Everyone Says About Our Ignition Interlock

Excellent TrustScore Rating

December 19, 2025

"Alyssa was very informative over the phone to what I will need to pay and provide to the location installing my interlock. As well as providing all the needed information I need to know about"

Griselda.

United States