Intoxalock Ignition Interlock

4.5
50 reviews

About

Car Inspection StationIntoxalock
Intoxalock is the no. 1 ignition interlock device brand in the U.S., and Intoxalock Ignition Interlock in Chattanooga, 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
5915 Lee Hwy, Chattanooga, TN
37421, United States

Hours

Reviews

4.5
50 reviews
5 stars
40
4 stars
5
3 stars
0
2 stars
0
1 star
5
  • DB
    Darla Blose
    Jan 5, 2026
    1.0
    This is the worst company! No one can help you. You can’t reach a supervisor! I’ve tried several times… They keep billing you while no one’s there to help you. I’ve been trying to remove my devise for 2 months! They don’t work with the state at all. I’ve been going back and forth from them And the state for 2months trying to get the information straight between them! I’m so frustrated with this company I’m Tempted to remove the dang thing myself. I’ve been complaint for over my allotted time. And want this device off my vehicle. In the meantime, they still get paid. So why help anyone? I’d advise you to use anyone but these people!
  • JL
    Joe Lane
    Jan 2, 2026
    1.0
    This company is awful I sent a payment on December 8th and you received it on December 11th and now you're trying to shut off my account because you didn't record my payment I have a record of the return receipt where you took the money and you haven't applied it to my account appropriately why aren't you accountable why are you a penalizing me when you can't control what happens in your own environment find out where my payment went from stan valones signed for this payment what did he do with the payment why wasn't it applied to my account. You always try to make the customer look bad you never are accountable there's no one that you allowed the customer us to talk to to sort out the problems why are you so difficult
  • KT
    Kisha Tozier
    Dec 1, 2025
    5.0
    The employees were very informative and kind. Service was speedy.
  • ED
    Eddie Davis
    Nov 21, 2025
    5.0
    Very happy with the fast service along with the personal time they took to walk me through the operational information need for my chevy tahoe. Thanks guys
  • BF
    Brian Farrell
    Nov 15, 2025
    5.0
    Quick installation. Finished earlier than expected. Lower price than previous service center.

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.