GMC Terrain: Roof / Automatic Reversal System
The sunroof has an automatic reversal system that is only active when the sunroof is operated in express-close mode.
If an object is in the path while express closing, the reversal system will detect an object, stop, and open the sunroof again.
If frost or other conditions prevent closing, override the feature by closing the sunroof 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 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.
Sunroof
Sunroof Switch
Sunshade Switch
If equipped, the sunroof only
operates when the ignition is on or
in ACC/ACCESSORY, or when
Retained Accessory Power (RAP) is
active...
Other information:
GMC Terrain 2018-2025 Owners Manual: Towing the Vehicle
Caution Incorrectly towing a disabled vehicle may cause damage. The damage would not be covered by the vehicle warranty. Do not lash or hook to suspension components. Use the proper straps around the tires to secure the vehicle. Do not drag a locked wheel/tire while loading the vehicle. Do not use a sling type lift to tow the vehicle. This could damage the vehicle. GM recommends a flatb..
GMC Terrain 2018-2025 Owners Manual: Lockout Protection
If the ignition is on or in ACC/ ACCESSORY and the power door lock switch is pressed with the driver door open, all the doors will lock and only the driver door will unlock. If the vehicle is off and locking is requested while a door is open, when all doors are closed the vehicle will check for RKE transmitters inside. If an RKE transmitter is detected and the number of RKE transmitters..