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Ignition Interlock
in Knoxville, 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.

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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 Knoxville, 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 Knoxville, 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 Knoxville, Tennessee

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

  • Elite Audio & Window Tinting

    2515 Hwy 11 S
    Athens, TN 37303
    (423) 381-6139
    More Details Schedule an Installation
  • SMART START OF TN SEVIERVILLE

    1458 Chapman Hwy
    Unit 3
    Sevierville, TN 37876
    (865) 868-3172
    More Details Schedule an Installation
  • SMART START OF TN HALLS

    6820 Tice Lane
    Knoxville, TN 37918
    (865) 291-1831
    More Details Schedule an Installation
  • PLAZA ELECTRONICS AND APPLIANCES INC

    1518 Decatur Pike
    Athens, TN 37303
    (423) 381-6736
    More Details Schedule an Installation
  • SMART START OF TN

    211 Center Park Dr
    Suite 3010
    Knoxville, TN 37922
    (865) 375-3164
    More Details Schedule an Installation

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 Knoxville, Tennessee.

Excellent TrustScore of 4.7 out of 5