Preparing For Your Test
Ignition Interlock Device Restricted Drivers Licenses (IID & RDL) for applicants suspended for DUI offenses.
Application for an RDL must be made by contacting this Department at 802-828-2061. We will review your driving record to determine if you are eligible to apply for an RDL; we will then send you a packet of information regarding your eligibility. It is very important that you contact this Department prior to visiting any office to assure that all requirements have been met.
See list of IID Manufacturers ( 38.63KB)
Frequently Asked Questions as a PDF (
Important Information Regarding Removal of IID’s
1. What if I voluntarily remove the IID from my vehicle before I am eligible to have it removed?
2. What is an Ignition Interlock Device Restricted Driver’s License?
3. What is an Ignition Interlock Device?
4. How and where do I apply for an RDL?
5. How much does is cost to get an RDL?
6. Who is eligible for an RDL?
7. Do I have to take an exam?
8. Is there a fee for taking the exams?
9. What if I fail any of the exams?
10. How do I know if I am not eligible for an RDL?
11. If I am eligible, are there any other requirements?
12. I have a Commercial Driver’s License; can I apply for an RDL?
13. I want to apply for an RDL, but when I called Project CRASH, I was told there is a long waiting list to start an alcohol and driving education program. Does this mean I cannot get an RDL?
14. If I am issued an RDL, when does it expire?
Removal of an Ignition Interlock Device
15. What happens if I sell my vehicle?
16. What if my vehicle has been wrecked?
17. I have kept my IID for the required amount of time based on my suspension, what steps should I take before having the device removed?
18. How often do I need to renew my RDL?
19. How much does it cost to renew my RDL?
20. How many times can I renew my RDL?
Return to an Unrestricted License
21. 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?
Obtaining and Installation of an Ignition Interlock Device
22. Where can I get information about getting an IID installed?
23. Are there different types of IID’s?
24. Does it matter what type of IID I have installed?
25. How much does it cost to have an IID?
26. How do I use an IID?
27. Do I need to have an IID installed on all vehicles owned/registered to me?
28. Can I install an IID on my motorcycle?
29. Can I install an IID on my snowmobile, motorboat or ATV?
30. I need to rent a car; can I drive a rental car with my RDL?
31. Do I need to notify you that I had the interlock installed?
Operating a Vehicle Equipped with an Ignition Interlock Device
32. What is “permanent lockout state”?
33. What is a “random
34. Will performing a "random retest" cause me to take my eyes off the road, creating a hazardous situation?
35. What happens if I fail the breath test during a “random retest”?
36. What happens if I do not provide a breath test during a “random retest”?
37. Why do the lights flash and the horn blow if I fail a “random retest”, or if I do not provide a breath test during the “random retest”?
38. If I fail a “random retest”, will my car turn off while I am driving?
39. Can family members and friends drive my IID equipped vehicle?
40. What if I am required to drive my employer’s company vehicle that has no IID?
41. Can I drive a commercial vehicle with an RDL?
Miscellaneous Information about Ignition Interlock Devices
42. Does the IID need to be serviced or maintained in any way?
43. What is a “swap out”?
44. What kind of information does the IID record?
45. Does the Department of Motor Vehicles monitor the IID?
46. What if I forget to bring my car to the installer for servicing?
47. What things will make me fail a breath test?
48. What happens if I fail the breath test when I try to start my car?
49. What happens if I fail a breath test, but I have not been drinking?
50. Will the IID lose the memory data if the battery is disconnected?
51. Can I use a remote car starter on my IID equipped vehicle?
52. In extreme weather, can I go start my car and let it run with the heater or air conditioner on, until the car warms up or cools down?
53. What happens if I have repair work or a Vermont State Inspection done on my IID equipped vehicle?
54. What if I tried to use a balloon, canned air or other air source to mimic my breath sample?
55. Can I have someone else take the breath test for me to start the vehicle?
56. What if I did have someone else take the breath test for me so I could drive my car?
57. If the IID unit malfunctions, will it shut the vehicle off?
58. What happens if the vehicle stalls in traffic?
59. Will installation of the IID damage the vehicle?
60. What if I will temporarily be out-of-state; how will I meet the requirements of my RDL?
61. I have been experiencing problems with my ignition interlock device, what do I do?
62. I have been experiencing problems with my IID installer, how do I file a complaint against the installer?
63. What actions are considered violations of the terms and requirements of an RDL?
Requests for Hearings FAQ’s
64. I was denied an RDL, can I request a hearing?
65. My RDL requirements were extended, can I request a hearing?
66. Who do I contact to request a hearing?
The Vermont Department of Motor Vehicles now issues Ignition Interlock Restricted Driver Licenses (RDL’s) to eligible alcohol-related DUI, and Refusal to Consent to a Breath Test, offenders. An RDL will allow offenders to operate non-commercial vehicles equipped with an ignition interlock device.
Important Information Regarding Removal of IID’s