CROFTON, Md. (WNEW) — Salt brine is often used by road crews this time of year to prevent slippery, icy highways but the chemical is also responsible for corroding and damaging vehicles.

The American Trucking Association says salt brine causes 16 billion dollars in damage to trucking equipment every year.

One of the easiest things you can do to prevent your car from corroding is to take it to a car wash.

“Especially wash your car someplace that has an under body spray,” a spokesperson for Automotive International says. “You don’t want to let magnesium chloride dwell on your vehicle.”

Magnesium chloride is the chemical that road crews spray on highways before snow and ice storms to prevent dangerous conditions.

Drivers should also make sure they get a car wash that uses a detergent to thoroughly remove any corrosion underneath.

If your car is a newer model, it might pay off to get an undercoat.

WNEW’s John Domen contributed to this report. Follow him and WNEW on Twitter.


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