With a clean paper towel, remove excess shaving cream. Here are some ways you can attempt to repair your foggy windows: Shop Today67 Off Car Rainproof Anti-fog Protective Film Rearview Mirror Video Rear View Mirror Car Rear View Mirror Car Hacks Turn off your car’s recirculation button. How do you get rid of foggy car windows . So when it’s cold outside, turn off the recirculation button and let some fresh air in. One way of eliminating the fog faster is to use foggy windshield fixes. Another key to defogging your car’s windows is to replace the warm, moist air inside with the cooler, dryer air outside. The window should look clear, with no streaks or residue. Fog and frost are, however, not the only problems for vehicles in winter. Although some may still occur, you can minimize it by drying out air inside the car. Crack your car windows open slightly for a few minutes. Spray a little shaving cream directly on the inside of the foggy window. Keeping your window c...