Intoxalock Ignition Interlock

4.7
15 reviews

About

Car Inspection StationIntoxalock
Intoxalock is the no. 1 ignition interlock device brand in the U.S., and Intoxalock Ignition Interlock in Cookeville, 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

  • Credit cardAvailable
  • DebitAvailable
  • Onsite servicesAvailable

Location

Intoxalock Ignition Interlock
2075 Fountain Circle, Cookeville, TN
38506, United States

Hours

Reviews

4.7
15 reviews
5 stars
13
4 stars
1
3 stars
0
2 stars
0
1 star
1
  • KS
    Kristi Spicer
    Oct 18, 2025
    5.0
    Wonderful at explaining all details and left me very comfortable with all I needed to do and know about the Intoxalock system. Great Service!!!!
  • CJ
    Captain Jack
    Oct 2, 2025
    5.0
    They were very friendly people and very helpful. They even help me understand the machine they put in my car and make sure I knew how to use it before I left.
  • PK
    Phillip Kurtz
    May 26, 2021
    1.0
    Worst experience in my entire life of 66 years. The true definition of "White Collar Crime". This is all about money pure and simple. Allegedly it is to save lives. Tell that to driver's near me when I'm trying to use the device at 70 mph in 4 lanes of heavy traffic and I have to take hands off the steering wheel and not watch the road. Can't tell you how many times a major disaster was mere seconds from happening.

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.