My late 2016 Model S was one of the earlier cars to exhibit the infamous yellow ring on the 17” MCU screen. I had it replaced early on, right before my warranty expired, before the prevalence of the problem was really known. Now about a year and a half later, the replacement screen has once again yellowed and I’m well out of warranty, about to turn 100,000 miles.
I’m far from a service center, have no idea if Tesla would charge me for the UV treatment, if they even have the tool, and frankly don’t have the time or interest to fight with their service organization about it. But hey, it’s just UV light, right? How hard could this be?
I did a little research and determined that most adhesives for glass bonding are cured with UV light in the 365-400nm range. After a little poking around on Amazon looking for a reasonably powerful light in that spectrum, I settled on this bad boy for $35:
https://www.amazon.com/dp/B07MDWKNMK