Quote:
Originally Posted by SD ///M4
EDITED: California law states that the driver and passenger front windows "must allow at least 70 percent of light to penetrate into the vehicle" (30% tint). California doesn't even allow medical exemptions. In SoCal, the sun can be relentless, and a very large percentage of cars are tinted for sun protection and cooler temps in the car. Enthusiasts tend to go darker than most. I have 35% all around on my M4, they didn't have 30%.
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You've got it backwards… The percent on window tint IS the light transmission. Hence why 20% is darker than 35%. It lets less light thru.
So you have to get 70% or higher window tint film to be in compliance. NOT 30%.