When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
In Wisconsin you can go as dark as you want on all windows, except the front doors and windshield. But I myself wouldn't tint the back hatch window, any more than factory tint. I like to know what's behind me. (like the Police), And sucks backing up at night.