It's called Global Opening and Closing. It's on page 75 of my 2015 manual.
To open all the windows: 1. Press and release the remote control unlock button.
2. Press and hold the remote control unlock button for at least three seconds. Press the lock or unlock button to stop the opening function.
To close all the windows:
1. Press and hold the remote control lock button for at least three seconds.
Press the lock or unlock button to stop the closing function.