Put 1 Glass of Salt in Your Car: The Surprising, Science-Backed Hack Every Driver Needs to Know

You wake up.
It’s cold.
Damp.
You rush to the car—late again—and throw open the door.
And there it is:
Fogged-up windows
A musty smell that wasn’t there yesterday
That weird dampness on the seats… even though it didn’t rain
Sound familiar?
We’ve all battled car humidity—that invisible enemy that turns your morning commute into a steam room session with poor visibility and questionable air quality.
But what if the fix wasn’t a $30 dehumidifier or an overpriced spray?

What if it was already in your kitchen?

Meet the salt hack—a simple, cheap, science-backed trick that mechanics, RV owners, and boaters have sworn by for years.

How It Works: Salt Is a Natural Dehumidifier (Seriously):

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