The obvious tools for keeping your automobile windows clear of fog and moisture are using your defroster and your air conditioner depending on the outside temperature. If you set your defroster to the appropriate settings and adjust the temperature as needed, it can help eliminate fog on your windshield.

The same benefit can also be your air conditioner can also help reduce fog on your windshield. This is because the AC system removes moisture from the air, which can help prevent condensation from forming on your windshield.

Believe it or not, a clean windshield can make your windshield and other windows can make your windows less likely to fog up. If you keep them clean on the inside and outside, you  reduce the chances of fogging.

Smoking tobacco can create a buildup of residue on your windshield and windows, which makes them more prone to fogging. Try to avoid smoking in your car or at least allow some of the smoke to escape through an open window (or cracked window).

There are lots of anti-fog products and home remedies available that can help prevent window fogging.

Check out our list of top retail products and top home remedies.