Reduce Car Humidity with a Simple Salt Hack Humidity in cars causes foggy windows, odors, and mold. A simple fix? Place a glass of salt inside—it absorbs moisture naturally and cost-effectively.How It Works Salt is hygroscopic, meaning it draws moisture from the air, reducing humidity without chemicals. How to Use It Fill a dry glass with coarse or rock salt. Place it in a secure spot like a cup holder.Replace as needed every few weeks. Benefits Prevents foggy windows. Reduces mold and odors. Protects upholstery and electronics. Additional Tips Check for leaks, use floor mats, and air out your car regularly for best results. Conclusion This quick, affordable trick helps keep your car dry, fresh, and safe—give it a try