Center armrest (if so equipped)
Nissan Altima / Nissan Altima Owners Manual / Safety—Seats, seat belts and supplemental restraint system / Seats / Folding rear seat / Center armrest (if so equipped)

Pull the armrest down until it is horizontal.
See also:
Using the image viewer
When a compatible portable storage device is
plugged into the USB jack located in the center
console, compatible image files stored on the
device can be viewed on the control panel device.
Conn ...
Side ventilators
Side ventilators
Open or close, and adjust the air flow direction
of ventilators as illustrated. ...
How to use the SETTING button
When the SETTING button is pressed, the Settings
screen will appear on the display. You can
select and/or adjust several functions, features
and modes that are available for your vehicle.
...
