What is “permanent lockout state”?

When certain violations are logged by the IID, when the vehicle is turned off, the IID will not allow the vehicle to start again under any circumstances.  The vehicle would need to be towed to the installer for servicing before you can operate it again.  The violations which result in a permanent lockout state are:

  • If the IID detects tampering, circumvention or bypass attempts.
  • A scheduled service date is missed.
  • Service is not obtained within 5 days of the service reminder.

Some of the above violations will also result in an extension of your RDL requirements.


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

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