Is there any way to prevent car windows from fogging up? when the temp changes my windows tend to fog up in the morning after i get out of work, i hate to sit in the car for ten min to wait for the windows to clear up, and have to use wipers to wipe away the condensation every min so i can see. What can i do or do i have to deal with it? Also how can i get rid of the god damn water spots on the windows that are only visible when the fog appear ?