High Operational Noise
WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Sunroof glass must be free of debris and foreign objects. Regular vehicle maintenance and cleaning procedures must be followed in order to maintain efficient sunroof operation.
If a scratching noise is observed as the sunroof glass is cycled from open to closed and closed to open this could be caused by dust and debris accumulation in the guide tracks. To correct this issue Refer to SUNROOF, DUAL PANE, STANDARD PROCEDURE .