GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-18552429) - 2025
Keys, Doors, and Windows 29
If frost or other conditions prevent closing,
o
v
erride the feature by closing the sunroof
or power sunshade in manual mode.To stop
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 aclean cloth, mild soap, and water.
Do not remove grease from the sunroof.