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Get back on the road confidently with Intoxalock, the trusted Ignition Interlock Device (IID) provider of O'Fallon, Missouri and the no. 1 interlock device brand in the U.S.. Located in the O'Fallon neighborhood at 802 Midpoint Dr, we offer fast and affordable court-approved IID installation, calibration, and removal services. Our certified technicians ensure a smooth, stress-free experience while helping you stay compliant with Missouri interlock laws. With 24/7 customer support, Intoxalock makes the process easy for drivers to regain their licenses after a DUI. Visit us in MO near you or call our state specialists to schedule your car breathalyzer installation and get back on the road safely!
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Reviews
3.5
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- KKKen KelloggAug 15, 20255.0Very professional
- JDJoe DorenkampAug 4, 20255.0I like this device so much better than the alternative (smart start) my calibration center(Big Boy Auto Toys) is amazing, the service, availability, no hassles and staff are incredible. Glad I made the change.
- FHFrank HedgesMay 12, 20255.0They were courteous, time conscious and quickly got it completed. I was very impressed.
- RHRay HallFeb 8, 20251.0I had previously left a positive review for obnoxalock. Install, set up, customer service was great. I had a friend named Joshua, who was very helpful and very easy to contact. Until instal. Joshua is no longer my helpful friend. Obnoxalock is obnoxious. Customer service is nonexistent. I have no reason to bash them for fun. It is to advise people to steer clear of the added aggravation. The unit is difficult, and at times almost impossible. But you do have time to KEEP blowing sucking and blowing until it changes its mind and gives you a pass. The worst experience. My installer was no help. All on obnoxalock. But,,,,,,, can I contact them. GOOD LUCK with that. For those forced to have the unit for years, even after 5 yrs sober, the process is difficult. My advice, steer clear !!!!! Intoxalock seriously gets negative stars for their aggravation.
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 O'Fallon offer?
Intoxalock Ignition Interlock provides installation, calibration, and removal of Ignition Interlock Devices (IIDs) to help you stay compliant with Missouri interlock laws.
How does an ignition interlock device work?
An IID is a breathalyzer installed in your vehicle that prevents it from starting if alcohol is detected on your breath, with periodic retests to ensure compliance during your trip.
What are the typical costs for installing an ignition interlock device at Intoxalock?
The installation cost typically ranges from $70 to $150, which covers installation labor and is paid at the start of the IID lease.
Where is the Intoxalock Ignition Interlock service center located in O'Fallon?
It is located at 802 Midpoint Dr, O'Fallon, MO 63366, offering fast and affordable court-approved IID services.
What are the business hours for Intoxalock Ignition Interlock in O'Fallon?
The service center is open Monday to Friday from 8:30 AM to 5:00 PM, and closed on weekends.
Which payment options are accepted at Intoxalock Ignition Interlock?
They accept American Express, Check, Discover, Financing options, Mastercard, and Visa.
If I fail a breath test on the interlock device, what happens?
Your vehicle will not start and the event will be logged; multiple failed tests may lead to penalties depending on your state's regulations. Intoxalock devices allow retests after a short wait if no alcohol is detected.
Are there nearby facilities where I can get my vehicle customized or get car stereo installation?
Yes, Big Boys Auto Toys nearby offers auto customization and car stereo installation services, which can complement your vehicle modifications alongside your IID setup.
What fitness or recreational options are near Intoxalock in O'Fallon?
Nearby you can visit 'Unofficial: Curves', a gym and sports fitness center, and 'All Walks of Life' gym and sports venue, ideal for staying active before or after your visit.
How can nearby automotive dealers help after installation at Intoxalock?
Local dealers like O'Fallon Motorsports and Hubler Auto Plaza offer purchasing and maintenance services, providing options if you need vehicle-related support post-IID installation.