2015-2016 Volkswagen Golf, GTI Sunroof Issue
2015-2016 Volkswagen Golf, GTI Sunroof Issue

The problem: Affected vehicles may exhibit an abnormal creaking noise coming from the panoramic sunroof when driving on uneven roadways when the sunroof is closed. This is due to the flex movement between the glass panel seal and the body.
Vehicles affected by this service bulletin:
2015 Volkswagen Golf
2016 Volkswagen Golf
2015 Volkswagen Golf GTI
2016 Volkswagen Golf GTI
Corrective action: Dealers will apply protective film to the vehicle body to insulate the glass from the body, after which they will road test the vehicle to confirm the noise is gone.
Warranty info: This service bulletin is being performed free of charge under the Volkswagen limited new-vehicle warranty.
What owners should do: Call your local dealer with your vehicle's identification number to determine if your vehicle is involved in this service bulletin. You can call Volkswagen at 800-822-8987 or the National Highway Traffic Safety Administration hotline at 888-327-4236. Reference TSB No. 6016-02.
Read more at https://www.cars.com/articles/2015-2016-volkswagen-golf-gti-sunroof-issue-1420684472598/#l8Z6d7TBdv35RP2T.99EndFragment