I have a 2018 model x with white interior. Previously I have been using 91% alcohol to clean the seats. They worked reasonably well. Although I still got some yellow black ish stains. Today I'm trying to find some new ways to clean them. Surprisingly I found out that the official cleaning webpage from Tesla now suggests never to use alcohol. I remember pretty well that the owners manual recommended alcohol. Which one should I believe? Any cleanser that worked great for others?