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Ignition Interlock Intervention and Device

The Ignition Interlock Intervention component is available to drivers who violate the ignition interlock device (IID) and are required to attend an intervention session or participate in case management services with the DUI Program.

The Ignition Interlock Device is a device installed in a motor vehicle, which prevents the ignition from starting unless the driver blows a breath sample into the device. If the alcohol concentration of the breath sample exceeds 0.05, the motor vehicle engine will not start.


Section 316.193, Florida Statutes, requires ignition interlock devices to be installed on the vehicles of persons convicted of DUI. The ignition interlock program began July 1, 2003, but affects anyone convicted of DUI after July 1, 2002 upon eligibility of reinstatement for a driver's license.

A person convicted of DUI who applies to the Division of Driver Licenses for driver's license reinstatement will be directed to an Ignition Interlock provider. The Ignition Interlock device must be installed on the vehicle prior to receiving a license.

DUI Conviction Ignition Interlock
First Conviction
First Conviction if 0.15 or minor in car
If court ordered
Up to six months

Second Conviction
Second Conviction if 0.15 or minor in car
At least one year
At least two years

Third (and Subsequent) Conviction
DUI Manslaughter
At least two years
At least two years


Costs to the Defendant

The average cost to the convicted person for installation of an Ignition Interlock device is determined by the vendor you select. The installation fee ranges from free to $95. Monthly monitoring costs at least $95. There also is an additional potential DHSMV fee which the vendor can quote.

List of Vendors :

Guardian 850.626.7396
Smart Start 800.831.3299
AlcoLock 866.837.8646

For more information, contact the Department of Highway Safety and Motor Vehicles at

Lakeview Center, Inc. DUI Program  |  1900 N. Palafox St.  |  Pensacola, FL 32501  |  850.494.5656  |  FAX: 850.494.5664