How to Clean Your Car's Windshield Wipers

no no no. first, turn on wipers and when they reach a point in their arc that you can reach easily turn off the key the blades will stop there. then use the windex and towel, then rub the edge of the blade with 800 grit w&d sandpaper, this will sharpen the edge of the blade and will provide better wiping action.

you can also use alcohol pads which comes with most new blades