I am continuously having problems with the eye sig...

I am continuously having problems with the eye sight on my 2015 Forester
I have taken the car in with this problem. Each time either I was told to remove a Florida sticker from the windshield (which I did) or they did something to the brake pedal that activates a sensor.. Now it stops working randomly. My warranty was over April 30th. But this problem has been going on for years