Ironbutt57,
I had a clear tint on my front window from 3M, a clear leaded content to reduce the heat intake and I was stopped by a policeman, in a small access road and the police officer cautioned me to remove it, which I did 3 years ago or so.
Next time you find yourself stuck in traffic at the traffic light, have a look around you and usually you can spot the front window tint from square on. The occupants and inside cannot be seen, even though it is clear. It is therefore very easily picked up, if you know what you looking for. Try it next time, without crashing into the car in front of you!
