Federal law prohibits window tint on the front side windows and windshield less than 70% light transmission (49 CFR §393.60).
Kansas law (KSA 8-1749a) prohibits window tint on vehicles that require Kansas registration with less than 35% light transmission on all windows (front, side, back, windshield). The tint may not extend beyond the AS1 line on the windshield. The tint must be non-reflective, and must not be red, yellow, or amber in color.
