Generally, it is recommended to avoid exposing a newly coated car to water for at least 24-48 hours after application to ensure that the coating has...
Based on your description, it sounds like you used a relatively mild polishing combination with the DA, which may not have been aggressive enough to...
If the mark is on the dashboard of your car near the stereo, it's possible that it could be on a plastic or vinyl surface. Here are a few suggestions...