Ignition interlock and felony charges — Minnesota Permit Test
Ignition interlock and felony charges on the Minnesota permit test — 7 rules, each with the reason behind it and a question on it while it is fresh.
The rules
The ignition interlock device is connected to the vehicle’s starter, and you must blow into it to start the engine.
The car will not start for somebody who has been drinking, which is what makes it different from a promise.
The ignition interlock device is installed and connected to the vehicle’s starter. To start the vehicle, you must blow into the device.
The interlock device stops the vehicle starting if it detects an alcohol concentration at or above 0.02 percent.
The threshold is far below the DWI limit, because the program is about not drinking at all.
If the device detects an alcohol concentration at or above 0.02 percent, it prevents the vehicle from starting.
A first-time offender at 0.16 percent or above can regain driving privileges by joining the Ignition Interlock Device Program.
It is the way back to a license for somebody who would otherwise wait out the revocation.
First-time alcohol offenders with an alcohol concentration of 0.16 or above have the option to regain their driving privileges by participating in the Ignition Interlock Device Program.
Drivers whose licenses are canceled as inimical to public safety must enroll in the interlock program for three to six years.
The length is what separates it from the option a first offender is offered.
Drivers whose licenses are canceled and whose privileges are denied as “inimical to public safety” are required to enroll in the Ignition Interlock Device Program for a period of three to six years to regain full driving privileges.
A fourth DWI in a 10-year period can be charged as a felony.
The fourth one changes the category of the offense rather than just its penalty.
You may be charged with a felony DWI if you are arrested for a fourth DWI in a 10-year period, have previously been convicted of a felony DWI, or have been convicted of criminal vehicular homicide while under the influence of alcohol or drugs.
A fourth offense can mean losing the license for four years and until rehabilitation and other requirements are met.
Four years is a floor rather than a sentence; the license waits on the rehabilitation as well.
A fourth offense may result in a loss of license for four years and until rehabilitation and other reinstatement requirements are met.
Felony DWI can bring up to seven years in prison with a five-year conditional release and a $14,000 fine.
The conditional release means the sentence follows the driver after the prison part ends.
The criminal penalties for felony DWI can include a sentence of up to seven years in prison with a five-year conditional release and a $14,000 fine.
On the test
How does an ignition interlock device work?
You blow into it to start the vehicle. The car will not start for somebody who has been drinking, which is what makes it different from a promise. Minnesota Driver’s Manual, p.93: “The ignition interlock device is installed and connected to the vehicle’s starter. To start the vehicle, you must blow into the device.”
How this works
Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.
You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.
Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.
What it costs
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Where these come from
Every rule here is checked against Minnesota Driver’s Manual, published by the Minnesota Department of Public Safety, and against the state code itself. Last checked 2026-09-22.
- src/assets/drivers-manuals/MN.pdf (Minnesota Driver’s Manual, May 2025, Minnesota Department of Public Safety, Driver and Vehicle Services, retrieved 2026-09-14; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/MN.pages.txt (the plain pdftotext fixture every citation here was cut from and verified against; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/SOURCES.json, MN entry -- the folio offset of 3 and its basis, the folio marker, the extraction-flag score and the welded compounds it costs, and the record of where the exam shape comes from