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Intoxalock Ignition Interlock

4.9
(12 reviews)

Business Details

1810 N Broadway St, Knoxville, TN
37917, United States
(865) 978-6050
https://www.intoxalock.com/locations/tn/knoxville/1810-n-broadway-st-8192

About

Car Inspection StationIntoxalock
Intoxalock is the no. 1 ignition interlock device brand in the U.S., and Intoxalock Ignition Interlock in Knoxville, TN is here to help you get back on the road after a DUI. Intoxalock has more locations than any other provider, and we can find an interlock installation location near you. We will help you understand TN interlock, or IID, laws and regulations. Our interlock installation locations are staffed with certified professionals who will install and service your car breathalyzers. For 30 years, Intoxalock has been a trusted interlock ignition device provider. Call now to talk to a TN expert.

Details

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Location

Intoxalock Ignition Interlock
1810 N Broadway St, Knoxville, TN
37917, United States

Hours

Reviews

4.9
12 reviews
5 stars
11
4 stars
1
3 stars
0
2 stars
0
1 star
0
  • AP
    Amber Paysinger
    Dec 26, 2025
    5.0
    Super friendly, helpful, and quick. I would also bring my vehicle for these great folks to work on.
  • RS
    Robert Sessum
    Nov 19, 2025
    5.0
    This place is awesome if you intoxalock this is a place to go. They're wonderful people. Good business. Not looking for money like Auto Max
  • MP
    my page
    Nov 14, 2025
    5.0
    Super friendly and knowledgeable. Made sure I had enough information for success. Definitely will use them in the future!
  • JM
    Jessica Morgan
    Sep 4, 2025
    5.0
    They were quick to fix repairs and I had left a bad review but I said it before giving them time to fix it..I can let u all know how they handle the situation my car caught fire

Frequently Asked Questions About Intoxalock Ignition Interlock

How does an interlock device work?

An ignition interlock device (IID) is a small breathalyzer installed in your vehicle to prevent it from starting if alcohol is detected on your breath. Before driving, you'll blow into the device. If your breath alcohol concentration (BrAC) is below the programmed limit, the car starts. Periodic retests occur during your trip to ensure continued compliance. To read more on Intoxalock, you can read our ignition interlock device guide.

What is the cost of an ignition interlock device?

The installation of an ignition interlock device, often called a car breathalyzer, typically costs between $70 and $150. This one-time fee is paid at the start of your lease and covers the service center's labor to install the device in your vehicle. Payment is made directly to the service center at the time of installation. For more on cost breakdowns, you can read our cost of ignition interlock device guide.

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