How To Remove Ceramic Coating High Spots. Several manufacturers claim a level of protection that will last longer then a year. The only universally accepted method to remove ceramic coatings is mechanical abrasion.
Even out the surface before you apply a fresh ceramic coating. This is not an exact science unless you want to mechanically abrade an entire panel. So that trick won’t work to see if you have a coating.
This will fix the problem 99% of the time, providing the coating hasn’t cured yet.
Take fine finishing polish to it. Only use a very small amount of coating on the applicator pad for the fix. Gtechniq promise that c5 wheel armour will work on absolutely any wheel. The vinegar’s acidity works to break down and loosen a light to medium concentration of common minerals for removal with a microfiber towel.