If the video didn't convince you, compare the two sides of the car below:
Credit: Nissan/Wired
http://www.wired.com/2014/04/self-washing-car/
http://www.dailytech.com/Nissan+Testing+SelfCleaning+Car+Through+the+Use+of+Oleophobic+Paint/article34796c.htm / washing wash car Nissan develop deveopment developing paint repel repels water oil self cleaning car paint developed engineers Nissan Technical Centre GB UK hydrophobic oleophobic repels water oil gunk goo stick sticks slides right off wax engineer surface finish Ultra-Ever Dry Nissan Note repel repelling rain spray frost sleet standing water mud literally slides right off hydrophobic oleophobic coating Rust-Oleum hydrophobic spray iPhone smartphone smart phone oleophobic coating reduce fingerprints screen test testing standard equipment option /
