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

Optional: Add a few drops of essential oil (e.g., tea tree or lavender) for a fresh scent

Step 3: Place It in Your Car

Put it on the floor near your feet (front or back seat)

Or place it on the center console—out of the way but effective

Replace or refresh every 2–4 weeks (when salt clumps or dissolves)

Pro tip: Cover the top with a coffee filter or paper towel secured with a rubber band—lets air in, keeps dust out.