Blood & Urine Tests
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DUI & Drugs
DUI Defenses
DUI Penalties
DUI with Personal Injury
Field Sobriety Exercises
First Time DUI
Ignition Interlock Device
Leaving the Scene
Multiple DUI
Out of State DUI
Underage DUI
DUI Insurance
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Vehicle Impoundment
Vehicular Manslaughter



If you have been convicted of driving under the influence, you may be required to have an Ignition Interlock device installed in your vehicle. This equipment requires you to breathe into the device in order to start the car. If the breath sample does not test as free of alcohol, the car will not start. Additional breath samples are required regularly during driving. If the driver does not submit the required samples, an alarm will sound and lights will flash. After a short period of time to allow the car to be pulled over, the car will shut off and will not be able to restart until a clean breath sample is submitted.

If you have been convicted of multiple DUI's (or under specific circumstances on a first time DUI), you will be forced to install an Ignition Interlock device.

DUI Conviction / Ignition Interlock Requirement

First DUI Conviction - If court ordered
First Conviction if 0.20 or minor in car - up to 6 months
Second Conviction - Minimum 1 year
Second Conviction if 0.20 or minor in car - Minimum 2 years
Third Conviction - Minimum 2 years

The Ignition Interlock device also entails installation and calibration costs to the defendant. The vehicle must be taken to a calibration facility monthly. Calibration is available by appointment only and takes approximately 45 minutes. $70 for installation
$67.50 for monthly monitoring and calibration
$100 refundable deposit


A Seminole County DUI attorney may be able help you avoid the costs and inconvenience of an Ignition Interlock Device through having charges reduced or minimizing penalties or even eliminating them completely. A Seminole County DUI lawyer can also help you if you have experienced performance or reporting issues with a court-ordered Ignition Interlock device.


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The information on this website is for general information purposes only. Nothing on this site should be taken as legal advice for any individual case or situation. This information is not intended to create, and receipt or viewing does not constitute, an attorney-client relationship.