Ignition Interlock Devices in Florida

When is an IID Authorized?

Florida has legislated the use of ignition interlock devices (IIDs) for certain drivers convicted of alcohol related driving offenses.

When are IIDs Required?

In Florida, the use of an IID is mandatory for

  • at least one year upon a second conviction and
  • at least two years for any third conviction and for other extenuating circumstances, and
  • at least six months if the DUI offender was in the vehicle with a person under 18 (first offense DUI) and at least two years if this was secod similar offense.

What’s an IID?

An IID connects to the vehicle dashboard and the driver breaths into the device prior to starting the vehicle. If the IID detects a BAC above the limit programmed the device (typically calibrated at .02%), then the engine won’t start. Read more about ignition interlock devices (IIDs).

Where Can I Find an IID Provider?

IID providers are approved for installation throughout Florida. You can find a list of approved IID providers at the Florida DMV website.

Who Pays For it?

In almost all cases the driver who has been convicted of a DUI/DWI pays for the installation and lease of the ignition interlock system. You can expect to pay up to $100 for installation (although some companies offer free installation) and between $75-$120 per month for the lease. This is a rough estimate and your price may be higher or lower depending on your location.

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