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Car Inspection Station
Intoxalock is the no. 1 ignition interlock device brand in the U.S., and Intoxalock Ignition Interlock in McKinney, TX 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 TX 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 TX expert.
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- BTBarrett TuckerNov 15, 20255.0Very positive and fast with great service
- JRJames RaceOct 31, 20251.0Intoxalock has been almost impossible to contact. Their phone number posted on their website has no option to speak to a real person. Their chat never has anyone there to respond. After you ask your question - a message comes up saying to contact them during their business hours - even though I'm contacting them during business hours. I searched the internet and found one number to speak to a person from India or somewhere in the Middle East - and all they could do was give me an email address for customer support. I sent them an email on 10-2-25 - and received an automated response saying they have received it. It's 10-31-25 - and they have never responded. My daughter has stage four breast cancer - and only has the use of one lung. She hasn't been able to drive her car for two months - because we can't contact Intoxalock to approve her calibration being adjusted. They last time she drove her car - she couldn't barely blow into the thing. She had to pull over and blow again and again before she could finally blow hard enough to continue home. When she returned home, it was asking her to blow again. She couldn't blow hard enough to pass - so she turned the car off. They charged $84 since she exited the car without being able to pass. Of course, there is no one to contact to dispute the charge. it's quite a racquet they have going...
- BOBen OjedaAug 28, 20255.0Excellent customer service and very accommodating while you wait. Clean and professional establishment to say the least!!
- JJJason JackAug 16, 20255.0Really nice . Get my truck in and out . Thanks
- BKBrianna KellyJun 10, 20255.0Very respectable business. The owner presents welcoming first impression. Works efficiently and very understanding with questions. Thorough, quick, diligent workers. Highly recommend.
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 McKinney, TX provide?
We guide you through the installation, calibration, and removal of ignition interlock devices (IIDs) with certified professionals at our service center.
How long does the installation of an ignition interlock device take?
Installation typically takes 1-2 hours depending on your vehicle type, including training on using the device.
What should I do if I fail a breath test on my ignition interlock device?
Your vehicle will not start, and the event is logged. You may retest after a short wait. Follow your state's guidelines and contact Intoxalock for support.
Where can I schedule an installation appointment for an ignition interlock device in McKinney?
You can schedule an installation at our McKinney location at 192 Industrial Blvd, STE 106, or online through our website.
What are Intoxalock Ignition Interlock's business hours?
We are open Monday to Friday from 9 AM to 6 PM, Saturdays 9 AM to 5 PM, and closed on Sundays.
Can I install an ignition interlock device in a vehicle I do not own?
Yes, with the vehicle owner's consent, you can install an IID in a vehicle you regularly drive.
What nearby automotive services are available near Intoxalock Ignition Interlock in McKinney?
Nearby automotive services include New Image Autosports for car window tinting, Texas Star Automotive Services for auto glass, and Maaco Auto Body Shop & Painting for auto body work.
Are there other ignition interlock providers near Intoxalock in McKinney?
Yes, nearby providers include LifeSafer Interlock and Smart Start Ignition Interlock.
What local businesses near Intoxalock might customers visit before or after their appointment?
Customers might visit Cookies-n-Milk bakery for a snack, Petals Couture for gifts or bridal needs, or Dancer Strong Academy for dance-related activities.
How can public transportation or nearby landmarks help customers find Intoxalock Ignition Interlock in McKinney?
Intoxalock is located at 192 Industrial Blvd, STE 106, near several automotive and retail businesses, making it easily accessible when navigating through the McKinney industrial area.