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  1. State of Tennessee
  2. Ignition Interlock Device Assistance
  3. Participant FAQs

Participant FAQs

  • T.C.A. 55-10-425 Effective January 1, 2023
  • Finding a Manufacturer & Service Center
  • Who do I contact?
  • Guide - Final 120 to Removal
  • T.C.A. 55-10-425 Effective until January 1, 2023
  • Which Law do I Fall Under?
  • What is a Violation?
  • Ignition Interlock Device Removal
  • Disputing a Violation Extension
  • Requesting a Compliance Check
  • Obtaining a Restricted Driver's License
  • How long do I have to have an ignition interlock device?
  • What if I can't afford the interlock, or have been found indigent?
  • What is an Ignition Interlock Device?
  • Driver Services Online
  • What if I have more than one vehicle?
  • What if I drive for work?
  • How much will this cost?
  • I can't make my monthly service appointment. What do I do?
  • Can I switch manufacturers?
  • Can I let someone else drive my car with an ignition interlock device installed?
  • I can't breathe well enough to use the device. What do I do?
  • I've wrecked my car, now what?
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