By Baxter Overman | October 29, 2024 in 
Those pesky trim areas on your vehicle I know are annoying to clean (isn’t it so much easier to clean large body panels?)
But…if you really want a spotless car, you should both clean and protect your trim.
Today I’ll break down everything you need to know about how to clean car trim, including:
- What products to use
- The difference between trim dressings and semi-permanent ‘trim restore’ products
- Frequently asked questions
How to clean car trim
Exterior trim is what I’ll be covering today, just keep in mind when you hear the phrase ‘car trim’ because it can technically refer to sections around windows or door seals which tend to be rubber vs. plastic.
Step 1: Wash and dislodge dirt
To start, wash your vehicle in the correct order using a wash mitt. From there, use a small-bristled detailing brush and a rubber and vinyl cleaner for trapped dirt. A small brush with short bristles works well. You can also use a soft-bristled toothbrush too. The idea is to dislodge as much stuck-on dirt or grime as you can without scratching the paint.
I use Meguiar’s for cleaning all my vinyl/plastic because it’s easy to find and works well. Many products claim to clean AND protect rubber, vinyl, and plastic all in one step…but many don’t do either all that well. This product I like because it does clean and condition trim quite well.
Meguiar’s Vinyl and Rubber Cleaner and Conditioner
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Check out my post on removing wax on plastic trim if you have some areas that won’t come clean due to dried wax.
Step 2: Select a trim restore product that suits your needs
Before you buy a trim restore product, you’ll want to select a product based on factors most important to you, like:
- Level of gloss and shine
- How long does it last?
- How natural is the finish compared to OEM trim?
- Trim coating or trim dressing?
Most trim restore products on the market can be used on vinyl AND plastic. Water-based dressings provide a more natural finish, while petroleum-based trim products (like gels) leave behind a super-glossy and dark finish.
If you’re looking for a solid long-lasting trim restore dressing that’s affordable, The Car Guys make a good one. Repair Geek on YouTube recently put it to the test, and it lasted around 4 weeks…pretty good for a dressing.
Car Guys Plastic, Rubber, and Vinyl Restorer
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Step 3: Apply trim dressing using a foam applicator pad
Once the surface is free of wax or dirt and completely dry, apply the product as directed with a foam applicator pad. I also like to carry a damp microfiber towel to clean up any excess that may contact the paint (before it dries).
Cut one side of your foam applicator pad included in trim restore products. Completely optional, this will make it easier to apply the product using a straight edge if you’re working on door trim or smaller trim.
And that’s it! Here are a few frequently asked questions before you get started.
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FAQs for cleaning vehicle trim
What’s the difference between car trim dressings vs trim coatings?
A trim coating is a semi-permanent layer that will last a lot longer than a standard trim restore dressing. You’ll see these on the store shelves often marketed as ceramic trim coatings; some even contain dyes and can restore color for months. Both water-based and solvent-based trim restore products can be classified as dressings—because you’ll need to re-apply them or ‘dress’ the trim every few weeks.
Your choice comes down to personal preference, the look you want, and how often you want to re-apply a product.
How long do trim restore products last?
Most trim-restore dressings last anywhere from a few days to about 3 weeks depending on the product. Trim restore coatings are like semi-permanent paints that can take a few months to fade away.
How do you clean chrome car trim?
To clean chrome trim, apply an automotive-grade chrome metal polish with a clean cloth. Chrome may or may not need to have rust removed before polishing. For more on this process, check out my post on restoring chrome bumpers and trim.
Can you use tire dressing on trim?
You can, but always check with the manufacturer. Water-based dressings are generally safest, while petroleum-based tire foams and gels can make trim look unnatural and potentially dry out plastic. Overall, I’d recommend products formulated for restoring trim specifically.
What is the best car trim restorer?
If you want great results, AMMO MUD is one of the top products to use for trim on the market. It’s not the cheapest or most expensive, but it’s pricier than most. Again, you get what you pay for. I like this one because it’s a dressing you can use both on trim and tires and looks shiny, yet not over-the-top glossy.
Should you use a heat gun to restore car trim?
No. Using a heat gun simply brings the remaining dark pigment within car trim pieces to the surface. While things will look dark for a while, the fading process will continue. Most plastics and rubbers contain carbon black, a pigment that gives rubber and plastic a darker color. Once they’re used up, there’s used up…so your trim will look even worse.
Can you paint car trim?
If your trim is beyond restoring, you can technically paint it. I recommend you use an adhesion promotor and finish with a vinyl/plastic paint that matches. I’ve done this a few times, and it’s a lot easier than continually applying trim restore products. I don’t recommend this process on classic, late-model, or exotic cars, only for older vehicles where the trim is visibly past the point of restoring with a coating.
Want more tutorials like this one? check out our other tutorials and how-tos. If you’re ready to up your detailing knowledge, check out our beginner’s video course, Washing and Detailing for Beginners. Happy Detailing!
