Why Is Dark Window Tint Illegal in Minnesota? Canva illegal window tint fine mnThe main reason for the window tint laws in Minnesota is to make sure that law enforcement officers can see inside your vehicle if they need to, and that you, as a driver, can see clearly too. In Minnesota, vehicle window tint laws are based on two measures:1. Canva window tint laws mnHere is a breakdown of what level of window tint is allowed on vehicles in Minnesota:❌ No vehicle can have any tint on the front windshield. Visible Light Transmission Meter (canva) visible light transmission meter mn policePolice officers in Minnesota can pull over vehicles suspected of having illegal window tint.