Many clients don't know they'll need this device until it's too late.
– Carolle El-Naffy
You've been charged with DUI and may have heard the term "ignition interlock device" thrown around. But what exactly is it? And how can it affect your life?
Let's break it down in clear, practical terms—so you can understand your rights and your options.
What Is an Ignition Interlock Device?
An ignition interlock device (IID) is a small breathalyzer installed in your car. Before you can start your vehicle, you must blow into it. If alcohol is detected, the engine won't start.
In Florida, this device is mandatory for certain DUI convictions—even for first-time offenders under some circumstances.
When Is It Required?
In Florida, the court must order an ignition interlock device in the following scenarios:
- First DUI with a BAC of 0.15% or higher
- First DUI with a minor in the vehicle
- Second DUI conviction (minimum one year with interlock)
- Third DUI (minimum two years)
- Hardship license reinstatement after certain DUI convictions
So yes, even first-time offenders may face this device depending on the facts of the case.
What Are the Costs?
Aside from the inconvenience, ignition interlock devices come with real financial costs. Expect to pay:
- Installation fees (around $100+)
- Monthly calibration and monitoring fees (about $70–$100)
- Removal fees
It can add up quickly—especially if you're also paying fines, court fees, DUI school, and higher insurance rates.
What About False Positives?
Unfortunately, false positives happen. Foods, mouthwash, or medications can sometimes trigger a warning. If this occurs, it can lead to a violation—even if you weren't drinking.
This is why legal guidance is critical. We can help you challenge interlock violations and avoid additional penalties.
It's Not Just About the Device
The interlock device isn't just annoying. It's a major lifestyle change.
- You can't lend your car to anyone unless they use the device
- It logs all data, which can be used against you
- It often includes rolling retests while driving
- Failing to comply can result in further license suspension—or even jail time
You must be 100% compliant at all times. One slip-up, and you may lose your driving privileges altogether.
How Can a DUI Lawyer Help?
A strong defense may reduce or eliminate the need for an IID altogether. Sometimes, we can negotiate charges down to avoid mandatory interlock requirements. Or, if the device is ordered, we can ensure your rights are protected and help you plan for the logistics.
Bottom line: don't walk into court unprepared. Let's talk about what penalties can be avoided—and which ones we can fight to minimize.
Call Today: (305) 456-7576 or carolle@elnaffylaw.com 75 Valencia Ave • Suite 800 • Coral Gables, FL 33134 – By Appointment Only Schedule a Confidential Consultation
