Ignition Interlock Rules in Michigan

First Offense in Michigan

required on the restricted license after a first conviction with BAC 0.17 or more; otherwise the court may order it as a condition of probation

Official source: first offense (Michigan)

Repeat Offenses in Michigan

required on any restricted license issued after a repeat-offense revocation, for at least 1 year

Official source: repeat offenses (Michigan)

How the Program Works in Michigan

The device must be approved, certified and installed under MCL 257.625k and 257.625l, at the driver's cost. On a high-BAC restricted license, a failed test at 0.025 or more or a violation of the restrictions adds another like period of suspension and restriction.

Official source: how the program works (Michigan)

More on OWI Law in Michigan

See the full overview of OWI laws in Michigan and read about how ignition interlock programs work.

• Michigan OWI Penalties: First, Second and Third Offense
• OWI License Suspension in Michigan: Hearing Deadline and Hardship License
• Can an OWI Be Expunged in Michigan?
• Refusing a Breath or Blood Test in Michigan

Frequently Asked Questions