Window haze on the inside of your windshield can make driving difficult at night or in foggy conditions. This haze is caused by engine coolants, smoking, or residue from vinyl or plastic. You don’t need experience in car detailing to clean it.
Spread a towel over the dashboard to keep drips off it. Spray some streak-free glass cleaner on a terry cloth rag and wipe the cloth from side to side over the glass. For an alternative, mix equal parts of water and white vinegar, spray it onto the glass, and rub it onto the windshield. After you clean it, use a defogger to reduce the chance of haze. If it doesn’t come off, you may need a professional car detailer.