Intoxalock Ignition Interlock

3.6
18 reviews

About

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

Details

  • Credit cardAvailable
  • DebitAvailable
  • Onsite servicesAvailable

Location

Intoxalock Ignition Interlock
4227 University Avenue, Cedar Falls, IA
50613, United States

Hours

Reviews

3.6
18 reviews
5 stars
9
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2
1 star
4
  • MS
    Matthew Stoychoff
    Jul 21, 2025
    2.0
    Great at taking your money, but won't tell you BEFORE you're locked out causing the vehicle to become inoperable, necessitating towing fees to have it returned to the company whom installed said device for them to "calibrate" it, incurring further fees. (But I guess that's the point)
  • DJ
    Daniel Johnson
    Jan 26, 2022
    5.0
    Great service.
  • CO
    caleb o'connor
    Jan 4, 2022
    1.0
    This whole thing is just a money ploy preying on people who are already in hard positions they charge you for ANY and EVERY possible thing the device is MORE dangerous to have randomly shutting downn your vehicle or taking your attention off the road horrible idea and just like everything in IOWA it's for money not to help you HORRIBLE company

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.