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Ignition Interlock Device in Florida

In certain cases, the court may require you to install an ignition interlock device following a DUI conviction in Florida.  The imposition of that condition can be required or discretionary depending on the statutory scheme.

The requirement for the ignition interlock device can be imposed as a condition of probation or as a condition of the Florida DHSMV before you can obtain a hardship license or reinstate your driver's license.


How does the Ignition Interlock Device Work?

The ignition interlock device in Florida uses fuel cell technology which allows the vehicle to start only after the driver blows into the device to insure that his breath sample registers a breath alcohol reading below 0.05. The equipment then requires the driver to take the test again at random intervals while the car is driving down the road.

The data obtained from the device is sent through a internet based reporting program which can be viewed at any time by the driver's probation officer. Any positive reading can potentially be used by the probation officer to violate the driver's probation if the probationer is forbidden from consuming alcohol.


When is the ignition interlock device required under Florida law?

  • For a first conviction, only if ordered by the court;
  • For a first conviction if the BAC was 0.15 or above or if a minor was in the vehicle, then at least 6 months;
  • For a second conviction for at least one year;
  • For a second conviction if the BAC was 0.15 or above or if a minor was in the vehicle, then at least 2 years;
  • For a third conviction, then the ignition interlock device is required for at least 2 years.

Certain men and women convicted of DUI are required to install an ignition interlock device before restoring the privilege to drive in Florida under Florida Statute Section 316.193. Under Florida Statute Section 322.271, the installation of the ignition interlock device is required before the driver can obtain a "business purpose only" or "work purpose only" restricted driver's license.

Additionally, the installation of the ignition interlock device may be required before reinstatement of the Florida driver's license. When the driver becomes eligible for the program, the driver's license is issued a "P" restriction. If the interlock device is required as part of your DUI conviction, then the court will report that requirement to the DHSMV.


How Much Does it Cost to Install the Ignition Interlock Device?

The costs required for the Ignition Interlock Device are subject to change, but were reported to include a $100 refundable deposit or a $5 charge each month, $70 for installation, and $67.50 per month for calibration and monitoring.

One important consideration after a DUI arrest throughout the Tampa Bay area is avoiding any requirement for installation of the dreaded ignition internet device. Visit the links below for more information on the ignition interlock device for Tampa in Hillsborough County, New Port Richey or Dade City in Pasco County, St. Petersburg or Clearwater in Pinellas County, and Bartow in Polk County, FL.

Contact an experienced DUI defense attorney at the Sammis Law Firm to discuss this or other penalties after a DUI conviction.


What if the Court Does Not Order Installation of an Interlock Device in Florida?

Florida law was modified to express authorize the DHSMV to order the installation of the ignition interlock device or modification of the court order where the court fails to order placement for the mandatory time period under F.S. Sections 316.193 or 316.1937. See F.S. 322.2715(4).


Florida Ignition Interlock Device Contact Links

Interlock Systems of Florida
(Alcohol Countermeasure Systems Corp.)

Vendor for South Florida Counties
Toll Free: 1-866-837-8646

Interlock Group of Florida
(LifeSafer Interlock, Inc.)

Vendor for North Florida Counties
Toll-free: 1-800-728-7396