Current Michigan Laws:

Infographic detailing Michigan window tint laws for passenger and multipurpose vehicles. Passenger vehicles can have 4 inches of tint on the front side and windshield; any tint on the back side and windshield. Multipurpose vehicles have the same rules. "MICHIGAN WINDOW TINT LAWS" title and map graphic included.
Infographic explaining Michigan window tint laws for passenger vehicles, showing top view of a car: windshield allows non-reflective tint on top 4 inches, front side windows tintable on top 4 inches, rear side and back windows can have any shade tint.