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I have tried cleaning with cotton and microfiber clothes, paper towels, and even newspaper but no matter what I can't get these freaking greasy looking streaks off of my windows. I use rain_x automotive glass cleaner (not the version that has the water repellent solution in it). This is on the inside of my vehicle, any suggestions or solutions?

 
Rep Power: 812

the grease is actually fumes off gassing from plastic interior parts when you park the car outside with windows up on a hot day. usually a dry microfiber should take care of it. i would not recommend any "window cleaners" other than water because they ALL leave residue. water is what you need. but try a dry microfiber or slightly damp. if not then wet with water and go over it with a dry microfiber. do not let air dry. i would recommend cotton cloth over microfiber tho because sometimes the microfiber leaves lint behind.

 
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I've found that using steel wool #0000 or #000 works very well at removing streaks/waterspots and doesn't leave scratches. Use them dry and then use invisible glass and a microfiber towel to finish. Hope this helps

 
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Yep I agree with you. I use a dry micro fiber towel and with some pressure the streaks some come right off.