SecondChanceInfo

Ignition Interlock Device (IID) in Minnesota

Minnesota uses the term "DWI" for impaired driving offenses. IID requirement: required for high bac or repeat offenses. First offense scope: 1 year (only if BAC 0.16%+, refusal, or child in vehicle). Confirm your actual notice and license status.

Last updated:

Required for high BAC or repeat offenses

Quick Answer

Minnesota requires IID for first-offense DWI with BAC of 0.16% or higher, test refusal, or if a child was in the vehicle. IID is mandatory for all second and subsequent DWI offenses.

IID Duration by Offense

OffenseIID Duration
1st Offense1 year (only if BAC 0.16%+, refusal, or child in vehicle)
2nd Offense1 year (with plate impoundment)
3rd Offense3 years (minimum)
4th+ Offense6 years

BAC threshold: 0.16% BAC for first offense; all repeat offenses

Confirm the device, provider and written quote

Check the responsible authority’s current approval information for the particular device and installer. Request the billing unit, included services, actual paid visit schedule, taxes, fees and removal terms in writing. Confirm financial assistance separately.

Add your own quoted charges in the IID worksheet. Unknown charges stay unknown; no local price or appointment count is assumed.

Restricted License with IID

Available

Minnesota issues an IID-limited license allowing driving with the device installed. Plate impoundment (special whiskey plates) may be required for second and subsequent offenses.

Tampering / Circumvention Penalties

Tampering with an IID in Minnesota is a gross misdemeanor carrying up to 1 year in jail and fines up to $3,000.

Early Removal

Minnesota may allow early removal in limited circumstances for first offenders who demonstrate compliance. Consult with your attorney.

Minnesota-Specific Notes

Minnesota's IID requirement is triggered by high BAC (0.16%+), test refusal, or a child passenger for first offenders. The state also uses plate impoundment ('whiskey plates') for repeat offenders alongside IID.

Frequently Asked Questions

Is an IID required for a first DWI in Minnesota?
Only if your BAC was 0.16% or higher, you refused the chemical test, or a child was in the vehicle. Standard first-offense DWI does not require IID.
What are whiskey plates in Minnesota?
Whiskey plates are special license plates (starting with W) that Minnesota requires for certain DWI offenders. They signal to law enforcement that the driver has a DWI history. Plate impoundment is often combined with IID requirements.
How long do I need an IID in Minnesota?
First offense (if applicable): 1 year. Second offense: 1 year. Third: 3 years. Fourth or more: 6 years.

Related Minnesota Guides

Related Resources on This Site

Video Guides

Search on YouTube
Disclaimer: This is informational only, not legal advice. IID requirements, costs, and approved providers change frequently. Verify current requirements with the Minnesota DMV, your IID provider, or a qualified DUI attorney in Minnesota.
← Michigan
Back to all states
Mississippi→

All states

ALAKAZARCACOCTDEDCFLGAHIIDILINIAKSKYLAMEMDMAMIMNMSMOMTNENVNHNJNMNYNCNDOHOKORPARISCSDTNTXUTVTVAWAWVWIWY

Sources

NHTSA: interlock device and program background. This national reference does not verify every state rule above. Confirm the applicable law and current instructions with the authority named on your order or licensing notice.