I used Rain X for the first time on my TV. I used it as per the insructions with a dry towel let it dry and did it again. It left my windshield looking terrible it looks like something oily has been s...
I'm not a fan because at night, the windshield looks cloudly and distorted in the rain.
I used it all the time on my old mustang and never noticed any issue, all I can think is my newer vehicles I own have longer more aero dynamic windshields while my mustang was more vertical. Maybe the angles cause distortion.