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Ignition Interlock
in Mount Juliet, Tennessee

Ride with Smart Start
& get back on the road

Tennessee’s leading Ignition Interlock Program

Low-price, with no hidden fees

Fast installation with same-day available

24/7/365 Customer Care – Se hablamos Español

It only takes a moment to get your personalized quote.

Call Now! (800) 831-3299

Ignition Interlock in Mount Juliet: We're Always Here for You

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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Ignition Interlock Locations in Mount Juliet, Tennessee

Ready to get your driving privilege back? Let’s get started with an installation for your motor vehicle that fits your schedule, at one of the convenient locations below.

Sound Addictz

1252 Gallatin Pike S
Madison, TN 37115

OPEN NOW – Closes at 6:00pm

View Store Information Schedule An Install
(732) 202-5098 Get Directions
Dozier DUI School

8011 Brooks Chapel Rd
Ste 982
Brentwood, TN 37024

OPEN NOW – Closes at 5:00pm

View Store Information Schedule An Install
(615) 224-4499 Get Directions
Usry's Garage

9465 Lebanon Road
Mount Juliet, TN 37122

OPEN NOW – Closes at 5:00pm

View Store Information Schedule An Install
(833) 408-3200 Get Directions

Ignition Interlock in Tennessee: We're Always Here for You

If you have been charged with a DUI, we offer more than just the best Ignition Interlock Device in Mount Juliet, Tennessee. Our caring, compassionate specialists are dedicated to helping you complete your car breathalyzer requirement wherever you live.

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

(800) 831-3299

The Most Discreet Ignition Interlock Devices in Mount Juliet, Tennessee

Smart Start’s car breathalyzers were designed to be court compliant while keeping the user’s needs in mind. We understand the desire for privacy during this difficult time, so our Ignition Interlock Device is small and discreet.

The black exterior allows you to conceal it easily in your motor vehicle, but size doesn’t dictate function! Our Ignition Interlock Device can read your alcohol-free test in less than one second, so you can get back on the road quickly.

The Best Customer Care

When you choose the cheapest Ignition Interlock Device, you’re choosing the 24/7 bilingual support of our Customer Care Center and the expertise of our local technician teams. Call (800) 831-3299 or complete the form at the top of this page to enlist Smart Start as your program partner. We’ll put the wheel back in your hands.

(800) 831-3299

Questions about Ignition Interlock Devices in Mount Juliet, Tennessee

How do I get my IID calibrated in Mount Juliet?

Calibration is required regularly to ensure your IID is working properly. In Mount Juliet, we offer convenient service appointments to calibrate your device. The frequency of calibration is defined by Tennessee regulations. Generally, every 30-90 days.

Can I get same-day Interlock Device installation in Mount Juliet?

Yes! Smart Start offers same-day installation appointments at many of our Mount Juliet-area locations, subject to availability. We understand the urgency of meeting program deadlines, so we work to accommodate your schedule and get you back on the road as quickly as possible.

Where can I get an Ignition Interlock Device installed in Mount Juliet, Tennessee?

Smart Start offers several convenient installation locations throughout Mount Juliet and the surrounding areas. Our local service centers are staffed by experienced technicians who provide fast, professional installations. To find a location near you, visit our location finder or call our 24/7 Customer Care team for assistance.

How much does an Ignition Interlock Device cost in Mount Juliet?

Smart Start offers affordable Ignition Interlock solutions in Mount Juliet. See our Interlock Device cost guide for Tennessee to learn more.

How does an Ignition Interlock Device work?

An Ignition Interlock Device (IID) prevents a vehicle from starting if it detects alcohol on the driver’s breath. The driver blows into the device, and if their breath alcohol content is below the programmed limit, the car will start. You’ll also have to complete periodic retests after starting your vehicle to ensure continued compliance. Learn more about how IIDs work with our complete guide.

What are Tennessee’s IID laws?

In Tennessee, an Ignition Interlock Device (IID) may be required after a DUI. See our complete guide for information on IID laws and more in Tennessee.

See What Everyone Says About Our Ignition Interlock

Excellent TrustScore Rating

February 4, 2026

"Mario was very personal and made me feel at ease during the whole enrollment "

Brittney S.

United States

February 4, 2026

"New to the whole process. Jessica took time to guide and explain the process thoroughly. The direct contact and available support definitely makes a difference. Much appreciated. "

Benjamin G.

United States

February 4, 2026

"Switched from Intoxalock to smart start. Huge difference. Intoxalock was like having a brick as a handheld, bad customer service from India, and it locks you out a lot and they charge you 75.00 a pop."

Jeremy Chapin.

United States

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