One of the most onerous repercussions of an drunk driving (OWI) conviction in Wisconsin is the requirement to install an ignition interlock device (IID). If you’d like a quick, but comprehensive, guide on IID requirements in Wisconsin, the State Department of Transportation has created a frequently asked questions page here: http://wisconsindot.gov/Documents/about-wisdot/who-we-are/dsp/iid-faq.pdf