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How to Remove Mold from car exterior

How to Remove Mold from car exterior

We all love the feeling of driving a shiny, clean car. But sometimes, despite our best efforts, mold can find its way onto the exterior, turning our prized possession into a bit of an eyesore. Not only is mold unsightly, but it can also be harmful to your car’s paint and potentially your health.

In this article, we’ll explore how to effectively remove mold from your car’s exterior and keep it from coming back.

Mold on Car Exteriors

It’s essential to understand what mold is and why it’s a problem for car exteriors. Mold is a type of fungus that thrives in damp, dark environments

. On a car, it often appears as green, black, or white spots. These fungi can develop from leftover moisture, fallen leaves, or organic debris that remains on the car for extended periods.

Preparing for Mold Removal

To tackle mold removal effectively, you need to gather the right materials. Here’s what you’ll need:

  • Rubber gloves
  • Safety goggles
  • Face mask
  • Soft-bristle brush or sponge
  • Bucket
  • Water hose
  • Microfiber towels

Initial Cleaning Steps

Start by giving your car a thorough wash. Use a standard car shampoo and plenty of water to remove loose dirt and debris. Once the car is clean, inspect it carefully to identify all mold-infested areas. Pay special attention to areas around window seals, door jambs, and the trunk.

How to Remove Mold from car exterior

Homemade Cleaning Solutions

There are several effective homemade solutions for mold removal:

  1. Vinegar and Water Mixture: Mix one part white vinegar with one part water in a spray bottle. Vinegar is a natural disinfectant that kills mold spores.
  2. Baking Soda and Water Paste: Combine baking soda with a small amount of water to create a thick paste. Baking soda is mildly abrasive and can scrub away mold without damaging your paint.
  3. Lemon Juice and Salt Scrub: Mix lemon juice with salt to form a scrub. The acidity of lemon juice and the abrasiveness of salt make a powerful mold remover.

Commercial Mold Removal Products

If homemade solutions don’t appeal to you, there are numerous commercial products designed specifically for mold removal. These include:

  • Mold removal sprays
  • Specialty car cleaners with mold-fighting properties

Applying the Cleaning Solutions

No matter which solution you choose, the application process is crucial:

  1. Spray or apply the solution directly onto the moldy areas.
  2. Let it sit for about 10-15 minutes to break down the mold.
  3. Use a soft-bristle brush or sponge to scrub the affected areas gently.

Scrubbing and Removing Mold

When scrubbing, make sure to use gentle, circular motions to lift the mold without scratching the paint. Focus on seams, seals, and other areas where mold is most likely to thrive.

Rinsing and Drying

Rinse the car thoroughly with clean water to remove any residue from the cleaning solution. It’s essential to dry the car completely to prevent moisture from fostering new mold growth. Use microfiber towels for the best results.

Preventing Mold from Returning

Prevention is key to keeping mold at bay. Here are a few tips:

  • Regularly wash your car, especially during wet or humid seasons.
  • Apply a protective wax or sealant to the car’s exterior.
  • Park in a garage or use a car cover to shield your vehicle from the elements.

When to Seek Professional Help

Sometimes, mold can be particularly stubborn or widespread. If you’ve tried multiple methods and the mold persists, it might be time to seek professional help. Professional car detailers have specialized tools and products to deal with severe mold problems.

Additional Tips for Car Maintenance

Keeping your car mold-free also involves general maintenance practices:

  • Clean leaves and debris from the car regularly.
  • Ensure that door seals and windows are functioning correctly to keep moisture out.
  • Regularly inspect the car for any signs of mold and address them promptly.

Common Mistakes to Avoid

To avoid damaging your car, steer clear of these common mistakes:

  • Using Harsh Chemicals: Avoid bleach or other harsh chemicals that can damage your car’s paint.
  • Ignoring Small Mold Spots: Address mold as soon as you spot it to prevent it from spreading.


Removing mold from your car’s exterior doesn’t have to be a daunting task. With the right tools and techniques, you can restore your car to its pristine condition and keep it that way. Regular maintenance and preventive measures are key to ensuring your car stays mold-free. Happy cleaning!


  1. Can mold damage my car’s paint? Yes, mold can deteriorate the paint if left untreated, leading to costly repairs.
  2. How often should I clean my car to prevent mold? Regular cleaning every two weeks is ideal, especially during humid or wet seasons.
  3. Are there any natural remedies for mold removal? Yes, vinegar, baking soda, and lemon juice are effective natural mold removers.
  4. What should I do if mold keeps coming back? Ensure you’re drying your car thoroughly and consider applying a protective wax. If the problem persists, seek professional help.
  5. Is professional mold removal expensive? The cost varies, but it’s often a worthwhile investment to protect your car’s exterior and prevent further damage.

Written by Zain

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