Cadillac XT5 2017 Owner's Manual page 54

KEYS, DOORS, AND WINDOWS 53
override the reversal system. To
override the reversal system, close in
manual mode. To stop the movement,
release the switch.
Dirt and debris may collect on the
sunroof seal or in the track. This could
cause an issue with sunroof operation
or noise. It could also plug the water
drainage system. Periodically open the
sunroof and remove any obstacles or
loose debris. Wipe the sunroof seal
and roof sealing area using a clean
cloth, mild soap, and water. Do not
remove grease from the sunroof.
If water is seen dripping into the water
drainage system, this is normal.