Certified by Intoxalock Ignition Interlock • Mar 01, 2026
Car Inspection StationIntoxalock
Intoxalock is the no. 1 ignition interlock device brand in the U.S., and Intoxalock Ignition Interlock in Gallatin, 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.
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Certified by Intoxalock Ignition Interlock • Mar 01, 2026
Certified by Intoxalock Ignition Interlock • Mar 01, 2026
Reviews
4.8
28 reviews
5 stars
25
4 stars
2
3 stars0
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1 star
1
AM
Andrea Marks
Nov 25, 2025
5.0
They were great! In & out!
CM
Cindy Meeks
Oct 4, 2025
5.0
The installation took about three hours so I was happy with that! The woman I spoke with explained everything and was not annoyed when I asked hypothetical questions. No problems good service.
BM
Bob McKnight
Aug 27, 2025
5.0
B.J.’s Automotive have been a pleasure to go to for my interlock!
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.
How do I use my interlock device?
Using an IID is simple. To start your vehicle, blow into the device as directed. If the device detects no alcohol, your car will start. You may be prompted for "rolling retests" while driving, where you’ll blow into the device again to confirm compliance. How-to videos are also available on the Intoxalock mobile app.
Where do I get an ignition interlock device?
Ignition interlock devices can be installed at certified service centers nationwide. Intoxalock offers a convenient network of locations and helps you schedule an installation appointment near you. Visit our Intoxalock locations page or call us to find the nearest service center and begin the installation process.
How long will my installation take?
Installing an ignition interlock device typically takes 1-2 hours, depending on your vehicle type. Certified technicians ensure the device is properly installed and provide you with training on how to use it. Contact Intoxalock for an appointment and an accurate time estimate for your installation.
What happens if I fail a breath test on my ignition interlock device?
If you fail a breath test, your vehicle will not start, and the device will log the event. Depending on your state’s regulations, multiple failed tests may trigger additional penalties, such as lockouts or reporting to your monitoring authority. Intoxalock devices allow you to retest after a short wait if alcohol is no longer detected. Always follow your state’s guidelines to remain compliant.
Can I install an ignition interlock device in a vehicle I don’t own?
Yes, in most cases, you can install an ignition interlock device in a vehicle you regularly drive, even if you’re not the registered owner. However, the vehicle owner must provide consent for the installation. Intoxalock works with you and the owner to ensure compliance with state regulations and the successful setup of the device.
What should I do if my ignition interlock device locks me out?
If your ignition interlock device locks you out, it’s usually due to missed tests, failed tests, or state-specific requirements. Intoxalock offers a simple lockout override process in most cases to help you get back on the road quickly. Contact Intoxalock customer support for assistance and to understand the steps needed to resolve the issue.
What services does Intoxalock Ignition Interlock in Gallatin, TN provide?
Intoxalock Ignition Interlock in Gallatin, TN specializes in installation, calibration, and removal of ignition interlock devices (IIDs) to help you comply with DUI regulations and get back on the road.
How long does it take to install an ignition interlock device at Intoxalock Gallatin?
Installation typically takes 1-2 hours depending on your vehicle type, with certified technicians performing the service and providing usage training.
What are the operating hours for Intoxalock Ignition Interlock in Gallatin?
The service center is open Monday through Friday from 8:00 AM to 5:00 PM and closed on Saturdays and Sundays. Online support is available 24 hours a day, seven days a week.
Where is Intoxalock Ignition Interlock located in Gallatin, TN?
It is located at 1327 S. Water Ave, Gallatin, TN 37066, USA.
How do I schedule an ignition interlock device installation with Intoxalock?
You can call Intoxalock at their main phone number or visit their website to find a nearby service center and schedule an installation appointment.
What payment methods are accepted at Intoxalock Gallatin?
They accept American Express, Discover, MasterCard, Visa, checks, and offer financing options.
What happens if I fail a breath test on my ignition interlock device?
If you fail a breath test, your vehicle won't start and the event is logged. Multiple failed tests may lead to penalties based on state law. Intoxalock allows retests after a short wait if no alcohol is detected.
What nearby automotive services can I find near Intoxalock Gallatin?
Nearby automotive services include BJ's Automotive (repair and tire services), Gallatin Automatic Transmission, Interlock Xpress, and Smart Start Ignition Interlock, which can be convenient for additional vehicle repairs or interlock needs.
Are there convenient places to eat near Intoxalock Ignition Interlock in Gallatin?
Yes, you can visit nearby places like Chao Fan food truck, Vui’s Kitchen, and The Boss BBQ LLC for dining options before or after your appointment.
What nearby facilities can help with storage or other automotive needs near Intoxalock Gallatin?
Nearby you can find American Storage and Gallatin Mini Storage for storage needs, as well as services like Breezer’s Express Wash and Express Car Wash for vehicle cleaning.
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