Intoxalock is the no. 1 ignition interlock device brand in the U.S., and Intoxalock Ignition Interlock in Johnson City, 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.
Customer service does not give you ALL the information you need. I had to call more than a few times in one day. I was put in the wrong county by them and I had to provide proof of what county I was supposed to be in.
TM
Tamara Monroe
Sep 16, 2025
5.0
Customer service DOES NOT give you all the information you need. So always have a list of questions in front of you so you don’t forget to ask anything.
MO
Matthew Osborne
Aug 31, 2025
1.0
It stinks. They breach their own contract and don't follow their own procedures
Frequently Asked Questions About Intoxalock Ignition Interlock
How does an interlock device work?
Once the device is installed, drivers blow into the car breathalyzer mouthpiece to provide a breath sample. The device tests for breath alcohol content (BrAC) within the legal limit. If it's under the limit (typically .02), then the driver can put their keys in the ignition and start the car.
What is the cost of ignition interlock device?
An ignition interlock device, also frequently referred to as a car breathalyzer, ranges in cost between $70 and $150 for installation. This fee is a one-time fee paid at the start of your lease period for the device to be installed into your vehicle. This fee is paid directly to the service center for the work done to complete your installation.
How do I use my interlock device?
At your appointment, you will learn how to use the Intoxalock ignition interlock device, what to avoid before blowing into the device, and how to maintain the device. Tutorial videos are also available on the Intoxalock mobile app.
Where do I get an ignition interlock device?
Intoxalock has more than 4,200 locations for your interlock device installation. Intoxalock has more locations than any other provider. In fact, we have a location within 15 miles of over 91% of our customers. With so many places to install and service your ignition interlock device, our team makes the process as convenient as possible.
How long will my installation take?
Once you’re at the Intoxalock location, you can expect your appointment to take one to two hours — time varies based on the make, model and year of your vehicle. You can plan to either leave your vehicle or pick it up when installation is complete. Our Intoxalock team is highly trained to quickly and carefully install your equipment.
What is an ignition interlock device and how does it work?
An ignition interlock device is a car breathalyzer that requires drivers to provide a breath sample before starting the car. If the alcohol content in the breath is below the legal limit (typically .02), the car will start.
How much does it cost to install an ignition interlock device?
Installation costs for an ignition interlock device range from $70 to $150 as a one-time fee paid at the start of the lease period to the service center.
Where can I get an ignition interlock device installed in Johnson City, TN?
Intoxalock has more than 4,200 installation locations nationwide, including one at 1601 East Jackson Blvd in Johnson City, TN, ensuring a convenient location near most customers.
How long does the interlock device installation take?
Installation appointments typically take one to two hours depending on your vehicle's make, model, and year. You can leave your vehicle or pick it up after installation.
What are Intoxalock Ignition Interlock's hours of operation in Johnson City?
The Johnson City location is open Monday, Wednesday, and Thursday from 8:00 AM to 4:00 PM; Tuesday and Friday from 8:00 AM to 12:00 PM; closed on Saturday and Sunday.
Does Intoxalock offer tutorials on how to use the interlock device?
Yes, you will learn how to use the device during your appointment, and tutorial videos are also available on the Intoxalock mobile app.
Can I find parking or nearby amenities when visiting Intoxalock Ignition Interlock in Johnson City?
Yes, near the location you can find convenient places like Starbucks coffee shop and Weigel’s convenience store for refreshments. You can also explore nearby dining options like Pizza Plus or Captain D's.
Are there any entertainment or shopping options close to Intoxalock Ignition Interlock in Johnson City?
Nearby you can visit Eric & Esther Merchandise and Uniques for antiques and vintage items, or The Dollhouse toy and hobby shop for unique gifts and entertainment.
What other automotive-related services are available near Intoxalock Ignition Interlock?
You can find automotive parts and accessories at Truck Toys & More, get car stereo and window tinting services at Sound Decision, or visit Rhino Linings of East Tennessee for truck equipment and supplies.
How can the nearby transit stations or landmarks help me find Intoxalock Ignition Interlock?
Though no specific transit stations were listed, landmarks like Andrew Johnson Bank and Trinity Baptist Church nearby can serve as easy reference points when visiting Intoxalock in Johnson City.