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Minnesota Department of Public Safety
Driver and Vehicle Services
Ignition Interlock Unit
445 Minnesota St., Suite 177
St. Paul, MN  55101


Phone: (651) 296-2948

Fax: (651) 797-1299



If you have a complaint or concern regarding the service you are receiving from a certified ignition interlock vendor or service provider, please contact that provider directly and request to speak to a manager or supervisor in their central office. 

If, after contacting the provider, you are still not satisfied with their response, please email your concerns to the Driver and Vehicle Services Division at Please make sure to include your contact information including your name, current interlock provider and a brief description of the issue.

Complaint Form