Yes, I had the same problem with the rear trunk closing right after it was open to the maximum point on its own. Once the rear trunk reach the top height I stopped it with my hand manually from closing any further and the door stopped. I then held down the close button located on the trunk door for approximately 5 Seconds, until I heard 2 beeps then I released it. That reset the liftgate back to normal.For anyone that either can't find their manual or just wants this spoon fed to them like I did:
LIFTGATE POSITION SETTING
The lift gate can be set to open to a specific height by performing the following:
1. Open the lift gate using the request switch or the Intelligent Key.
2. Pull the liftgate down to the desired position and hold the liftgate (the liftgate will have some resistance when being manually adjusted).
3. While holding the liftgate in position, press and hold the liftgate switch located on the liftgate for approximately 5 seconds or until 3 beeps are heard. The liftgate will open to the selected position setting.
To change the position of the liftgate, repeat steps 1-3 for setting the position of the liftgate.
Thanks to everyone who contributed to this forum. Team work !