I HATE Rain X!!!!! First of all it makes your window wipers chatter as they slide across the window. As far as the window washer fluid ya it works ok but it does not clean near as well as the stuff that comes in the european cars and it leaves WICKED spots all over the car. These things have those blasters on the front to hose down the head lights and if I use Rain X it leaves streaks down the hood I also tried a few others that were not as good. I got a European car because they know their chit..... all the way down to the damn window washing fluid Try it out you will believe.
Crazy you are damn right it is going into my car and truck and anything that I have that uses it