Put a Glass of Salt in Your Car: A Vital Hack Every Driver Should Know
When it comes to car care and maintaining a safe and comfortable driving environment, there are countless tips and tricks circulating that promise to make life easier for drivers. However, some methods seem almost too simple to be effective, yet they work wonders. One such surprisingly effective and little-known hack that every driver should know is putting a glass of salt in your car.
This tip was shared by a cop who revealed the unexpected benefits of using salt to help improve the interior environment of your car. While this might sound odd at first, the reason behind this hack is rooted in its ability to address a variety of common issues that drivers face. Salt, a substance most commonly associated with the kitchen, can actually be incredibly useful when it comes to managing your car’s internal environment.
In this article, we’ll explain why putting a glass of salt in your car can be a game-changer, what problems it helps solve, and give you a step-by-step guide on how to do it properly.
Why Does This Hack Work?
Salt is a versatile substance known for its ability to absorb moisture. Whether you’re dealing with damp weather, excessive humidity, or unwanted odors, salt can help mitigate these issues in a simple and natural way. When you place a glass of salt in your car, the salt absorbs excess moisture from the air and helps regulate the humidity levels inside your vehicle.
Here’s a breakdown of how this glass of salt works:
Moisture Absorption: Salt is hygroscopic, which means it has the ability to attract and absorb moisture from the air. If you live in a region with high humidity or experience a lot of rainy days, your car can easily get damp. This dampness can cause issues like mold growth, unpleasant odors, and a musty smell that’s hard to get rid of.
Preventing Window Fogging: One of the most annoying issues that arise when driving, especially in the colder months, is foggy windows. Excess moisture in the car contributes to the fogging of windows, making it difficult to see while driving. By placing salt in your car, you help reduce the moisture in the air, which ultimately prevents your windows from fogging up.
Absorbing Bad Odors: If your car has a persistent odor—whether from food, pets, or other sources—salt can help neutralize these smells. It works by absorbing moisture that may be contributing to the musty, unpleasant odors inside your car. It’s a natural and inexpensive way to eliminate these scents.
Preventing Mold and Mildew Growth: Excess moisture in your car can lead to the growth of mold and mildew, which are not only unsightly but also harmful to your health. By using salt to absorb moisture, you can significantly reduce the chances of mold or mildew forming inside your vehicle.
What You’ll Need for This Hack
The best part about this hack is that it doesn’t require any fancy or expensive products. You’ll need:
- A clean glass or container (preferably a small or medium-sized glass jar)
- Salt (table salt, sea salt, or Epsom salt all work well)
- A piece of fabric or cloth (optional, for added protection if you're concerned about salt spillage)

