To make it more effective I recommend using your interior trim cleaner to dampen the sponge, as well as lightly spraying it onto the affected trim panel(s). If you drive a lot for work or have kids and pets, you know how hard it can be to keep the inside of your car clean. Textured plastic and interior plastic components need to be cleaned in a different way. First, mix equal parts white vinegar and water.

Its as simple as that. AMMO NYC #1 Car Detailing Channel demonstrates how to properly clean your car’s interior plastic and trim with a small interior brush, scrub pad and a towel. My way of cleaning doesn't involve any chemicals or substances. If you need to remove scuff marks from your car vinyl, try using vinegar and a magic eraser. Once your vehicle is clean and dried, you need to protect the trim pieces with a quality rubber, vinyl, and plastic protectant.
I use this method for years now, it has never disappointed me. Spray the mixture onto the scuffed surface, let it soak in for a moment, then wipe it down with a magic eraser scrubbing pad.

These pads are abrasive enough to buff out scratches, but won’t damage the vinyl.
Much of your car's interior is comprised of plastic trim that can become dirty over time. This will help prevent future UV degradation, which is the primary cause of fading. Rub over the offending marks on your cars plastic or vinyl interior door trim until the marks have disappeared Wipe a clean damp cloth over the cleaned area to remove any residue and then dry off. Method 1 of 2: Clean the textured plastic exterior parts Textured black plastic parts on the exterior of your car can fade from their rich color, whether that is black, grey, or a tinted color to match your car’s paint. This method is not my discovery, many people know it. Once it’s clean and dry, it’s ready for a coating. Here's how to properly clean interior plastic trim on your car. … I would like to share it here for those who choose different ways of cleaning. Your local car parts store will sell paints specifically intended for use on bumpers and other plastic trim pieces. In this article, I will share my best and cheapest way to clean your car interior plastic and vinyl. Here are 10 cleaning tips and tricks to make your car's interior sparkle again.