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Ignition Interlock
in Tennessee

Ride with Smart Start
& get back on the road

  • Tennessee’s leading Ignition Interlock Program
  • Low-price guarantee, 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.

Save up to $300* over the course of your IID program vs. other national competitors. Get started today!

Ahorre hasta 300 $* en el curso de su programa IID en comparación con otros conpetidores nacionales. ¡Empieza hoy!

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Or Call (800) 831-3299 Now!

By providing your phone number and/or email in the box above and clicking "Get Started Today", you consent to 1A Smart Start LLC and/or its franchisees’ reaching out to you multiple times on an ongoing basis using telephone, text and/or email, including autodialed and prerecorded calls and texts, about our products, services, promotions, and other offers. This consent is not required to purchase goods or services. To opt-out of text messages reply "STOP", and to opt-out of emails click the unsubscribe link in the email. For texts, text "HELP" for help.

*Price comparison based on recurring lease payments, recurring service and data fees made publicly available by national IID providers in February 2023. Comparison assumes the ignition interlock device is installed for a minimum of twelve months and calibration or inspection are required every thirty days. Comparison excludes promotional prices, taxes and fees, and pricing for indigent clients. Individual savings may vary.

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Al proporcionar su número de teléfono y/o correo electrónico en la casilla de arriba y hacer clic en "Comenzar hoy", usted da su consentimiento para que 1A Smart Start LLC y/o sus franquiciados se pongan en contacto con usted varias veces de forma continua a través de teléfono, texto y/o correo electrónico, incluyendo llamadas y textos automarcados y pregrabados, sobre nuestros productos, servicios, promociones y otras ofertas. Este consentimiento no es necesario para comprar productos o servicios. Para excluirse de los mensajes de texto, responda "STOP", y para excluirse de los correos electrónicos, haga clic en el enlace de cancelación de la suscripción del correo electrónico. Para los mensajes de texto, escriba "HELP" para obtener ayuda.

*Comparación de precios basada en pagos recurrentes de arrendamiento, servicio recurrente y tarifas de datos puestas a disposición del público por proveedores nacionales de dispositivos de bloqueo de encendido en febrero de 2023. La comparación supone que el dispositivo de bloqueo de encendido se instala durante un mínimo de doce meses y que es necesario calibrarlo o inspeccionarlo cada treinta días. La comparación excluye precios promocionales, impuestos y tasas, y precios para clientes indigentes. Los ahorros individuales pueden variar.

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 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 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.

Ignition Interlock Locations in Tennessee

Let's get started with an installation in Tennessee that fits your schedule, at one of the convenient locations below.

Choose Smart Start Ignition Interlock in Tennessee

No equipment to buy. No hidden charges. No long-term contracts.

We offer the best Ignition Interlock Devices at the lowest price. You’ll know the cost from beginning to end, with no high pressure or double-talk.


Fast, convenient installation. Get an appointment that fits your schedule.

We’ll find a service center near you, often with a same-day appointment. Our specially trained technicians are committed to customized, quality installation.


Old, new, gas, electric, high performance, or low profile. We install on all.

Whether you’ve got an older vehicle or the latest electric model, there’s nothing our technicians can’t handle. Our car breathalyzers are the perfect fit for whatever you drive.


Small, discreet, easy to use. Ignition Interlock shouldn’t be difficult.

Our attractive, handheld car breathalyzer is about the size of a cellphone, with an intuitive keypad and display. You’ll get hands-on training to make sure that it’s easy to blow and go.


Quick calibration. Easy service. More drive-through locations than anyone.

Tennessee will require your Ignition Interlock Device to be serviced and calibrated on a regular basis. Our calibration appointments usually take about 15 minutes at any location that’s handy for you.


Flexible payment options. Easy autopay. Take advantage of our Client Portal.

Everyone’s budget is different. That’s why we offer weekly, monthly, or bi-monthly payments, plus an autopay option. Set it up through our Client Portal app (or go online).


You’ve got questions. We’ve got answers. 24/7/365 multilingual Customer Care.

There’s always somebody who can help when you have a question about your car breathalyzer, your account, monitoring laws, or anything else with your Ignition Interlock in Tennessee.

Excellent TrustScore of 4.7 out of 5
APPA (American Probation and Parole Association) logo
GHSA (Governors Highway Safety Association) logo
ISO (Internation Standards Organization) logo
MADD (Mothers Against Drunk Driving) logo
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Contact Information

Our Multilingual Customer Care Center is available 24/7 to answer your questions.