To open or close, first put car into Park.
To open:
Flip down the sun visors to access the latches
Unlatch both latches
Put Foot down on Brake pedal
Press Open button
To close:
Put foot down on brake pedal.
Press Close button
Latch both latches
Flip sun visor back up
NEVER OPERATE WHEN VEHICLE IS IN MOTION
Watch this video to see how it's done.
https://www.youtube.com/watch?v=tQWmfspeSl4