Auto window tinting companies do great work in that they make sure you receive the kind of quality service that you desire right from the start. They always want to help you get the window tinting job that you have come to expect, and that means using materials that will darken your windows just right.
An important aspect of the work is that these companies must make sure that they don't tint your windows beyond a certain limit.
There are rules about this kind of thing as laid out by government entities. If a window tinting company goes too far, it is possible that they will find themselves in violation of local and state laws. Thus, they are always very careful to make sure they don't put themselves in that kind of peril. It is very important to them that all of their employees are well informed about what the laws are and how to stay within them.
Beyond that, the role of the auto window tinting company is to make sure you receive the kind of tint that you want on your windows so you aren't bothered so much by the sun when you are driving.