Can You Use WD-40® on Windshields?


WD-40 is a versatile household product known for its lubricating and penetrating capabilities. While commonly used for various tasks, it can also be employed on your windshield, offering numerous benefits. However, there are some considerations to take into account before using it.

Advantages of WD-40

  • Residue and Bug Removal – WD-40 can effectively dissolve and eliminate sticky residues that can obscure your windshield and hinder visibility, such as tree sap, bird droppings, or bug splatters,
  • Ice and Frost – When applied carefully, WD-40 can aid in removing ice and frost from windshields. Its lubricating properties can help loosen the ice, making it easier to clear.
  • Enhanced Visibility – By eliminating stubborn residues as well as ice, WD-40 can significantly enhance your windshield’s clarity, promoting safer driving conditions.

Precautions to Consider When Using WD-40

  • Avoid Overspray – When applying WD-40 on windshields, be cautious not to overspray onto other vehicle surfaces, as it may leave a greasy residue that’s challenging to remove.
  • Wipe Clean – After using WD-40, wipe the windshield thoroughly with a clean cloth to ensure any excess residue is removed. Residue can lead to streaking and reduced visibility.
  • Minimal Application – Use WD-40 sparingly. A small amount can go a long way, and using too much can lead to a hazy film on the windshield.
  • Testing – Before using WD-40 on your entire windshield, it’s advisable to test a small inconspicuous area to ensure it doesn’t negatively affect the glass or any coatings.

Steps for Safely Using WD-40 on Your Windshield

  1. Select a Test Area – Choose a small, hidden portion of the windshield to conduct a patch test before applying the product to the entire surface.
  2. Apply Sparingly – Spray a small amount of WD-40 onto a clean cloth or paper towel.
  3. Gently Rub – Lightly rub the cloth on the selected test area to see how the windshield reacts to the product.
  4. Inspect and Clean – After a few moments, inspect the test area for any adverse reactions or residue. If all is well, proceed with using WD-40 on the rest of the windshield.
  5. Wipe Thoroughly – Apply WD-40 sparingly to the windshield, ensuring to wipe it clean with a separate cloth to remove any excess residue.


WD-40 can be employed effectively on windshields for residue removal, ice clearance, and improved visibility. However, exercising caution and using it in moderation while following the outlined precautions is essential to prevent any unwanted outcomes.

Who to Call

For any questions about windshields or other automotive glass, reach out to the professionals here at USA Auto Glass Florida. We are a locally owned and operated company serving South Florida from South Miami Heights to Ft. Lauderdale, West Palm Beach, Kendall, Homestead, the Keys, and many surrounding areas. Our highly trained technicians are experts in all things relating to auto glass. We work with individual vehicle owners and their insurance companies, as well as with corporate fleet accounts, providing the same exceptional customer service that has earned for us a reputation as one of the top auto glass companies in the area. We believe in doing business the old fashioned way, treating customers as we would want to be treated. That’s why our slogan is “The Difference is Obvious”.

If you’d like more information about our company or the services we provide, visit our website, or give us a call at any of our four locations:

Dade: (786) 272-5603                        Broward: (877) 336-7217

Palm Beach: (561) 717-7630             South West Florida (877) 336-7217