However if the rear window of a vehicle is tinted it has to have dual side mirrors.
California window tint law.
Dual side mirrors are required if the rear window is tinted.
California doesn t allow the usage of tinting film which has more reflection than a standard window.
California state law allows window tint medical exemptions to be given to vehicle owners.
The 2020 california window tint laws requirements are for the front windshield and front side windows to have a 70 vlt.
To file for a medical exemption in california you will need a letter stating the medical necessity for darker window tints that is signed by a licensed physician.
California car window tint law has no restriction on how dark the tint on the rear and back side windows can be.
There are also additional car window tinting rules and regulations in california so make sure you read all about it below.
If your car s rear window is tinted you must have dual side mirrors on your vehicle.
Other laws rules and regulations in california include the following.
Window tint laws vary slightly depending on which state you live in.
As a california resident the most important thing you need to know when it comes to automotive window tinting laws is that your front two windows driver and passenger side cannot be tinted with any film darker than 70 this means that the film on the front two windows must allow 70 or more light to pass through.
Manufacturers of film do need to certify the film they sell in the state and the driver is required to have the certificate in his.
Car window tinting laws in california were enacted in 1999.