There is a solution. It is a known problem. I had the same issue in my 2000
TL and the dealer replaced some mylar inside the sunroof under warranty and
the noise stopped immediately never to be heard again.
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.