The power liftgate will close automatically by doing one of the following:

Press the power liftgate open button on the key for approximately one second.
Press the power liftgate close button for approximately one second when the liftgate is opened.

The liftgate will close automatically.
For emergency stop while power liftgate operating, press the power liftgate open/close button shortly.
Press the power liftgate close button when the liftgate is opened.

The liftgate will close automatically.