Completely clean all dirt and oil from the windows/windshield and dry it thoroughly.
Drip 7-10 drops of Glass Coat on cotton pad.
Smear it on the glass part uniformly, with a # pattern to make sure product is spread everywhere.
Wait 5 min.
Use a clean microfiber to remove the residue of coating until having a totally clean glass.
No application directly under sun.
Avoid applying Glass Coat in temperatures under 50°F/10°C.
Avoid contact with water or rinsing the vehicle for 24h after application.