What happens if I fail the breath test when I try to start my car?

The vehicle will not start and the IID will enter a short lockout period of a few minutes.  This lockout period allows an opportunity for the alcohol to dissipate from the mouth and for you to consider the reason for the failed breath alcohol test, for example; is the failure a result of the use of mouthwash, cough syrup, etc., or as a result of consuming too much alcohol.  The IID will record the failure, which will be noted in the data report.  If you make 3 attempts to start a vehicle with a BAC of .04 or above, your IID requirements will be extended for a period of 3 months.  

What if I forget to bring my car to the installer for servicing?

The device will give you a reminder 7 days prior to a scheduled service date, followed by a warning to obtain service within 5 days.  If you fail to bring your vehicle to the installer for service within those 5 days, the IID will place your vehicle in a permanent lockout state; the vehicle would have to be towed to the installer for service before you can operate it again.  Failure to bring your car in for service will result in an extension of your RDL requirements.  

Does the IID need to be serviced or maintained in any way?

Yes.  Once installed in your vehicle, the IID must be calibrated and inspected by a certified installer, or “swapped out” (if applicable), every 30 days for the duration of the terms and requirements of an RDL.  The inspection is done to make sure the IID is working properly and to detect any issues of non-compliance.  At the time of inspection, the installer will:

  • Review the data recorded in the device’s memory.
  • Inspect the device for indications of tampering.
  • Calibrate the device.
  • Forward data reports to both DMV.

How do I get my unrestricted license back after I serve the required period of time of operating under the terms and requirements of an RDL?

The RDL Unit will send a letter a short time prior to your actual release date advising you of when you may procure a corrected license without the IID restriction.  If you do not receive a letter you may contact DMV at 802-828-2061 to verify that you are eligible to have the interlock removed.

How often do I need to renew my RDL?

Your RDL must be renewed on a yearly basis.  A renewal notice, along with an Application for Ignition Interlock Device Restricted Driver’s License will be mailed to you 30 days before your RDL expires.  You will need to complete the application and return it to DMV with the appropriate renewal fee.  If you do not renew your RDL on or by the expiration, you will be issued a suspension for failing to renew your RDL, and will remain under suspension until you renew your RDL and pay the Reinstatement Fee.

What if my vehicle has been wrecked?

Contact your installer for specific instructions on how to handle this situation.  Depending upon the amount of damage to your vehicle, you may need to obtain a new IID.  Should you have to replace your vehicle, you will need to have a device installed in your new vehicle.  Have the installer complete a Certification of Ignition Interlock Device Installation, VL-082, and return it to this Department.

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Vermont Department of Motor Vehicles
120 State Street
Montpelier, VT 05603-0001

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