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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 duration: 1 year (only if BAC 0.16%+, refusal, or child in vehicle). Monthly cost: $65-$100.

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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

IID Cost Breakdown in Minnesota

Installation$75-$150

One-time

Monthly Lease$65-$100/mo

Lease + monitoring

Calibration$25-$75

Every 60 days

Removal$50-$100

One-time

Est. Total (6 mo)$515-$850

All-in estimate

Est. Total (12 mo)$905-$1,450

All-in estimate

Approved IID Providers in Minnesota

IntoxalockSmart StartLifeSaferLow Cost Interlock

Contact providers directly for current pricing and service center locations in Minnesota. Compare at least 2-3 providers before choosing — prices and service quality vary.

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.

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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.