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:
Seat belt warning chime
The seat belt warning chime will sound for about
6 seconds unless the driver’s seat belt is
securely fastened. ...
Break-in schedule
CAUTION
During the first 1,200 miles (2,000 km),
follow these recommendations to obtain
maximum engine performance and ensure
the future reliability and economy of
your new vehicle. Failure to fo ...
Warning/indicator lights
Warning
light
Name
Anti-lock Braking
System (ABS) warning
light
Brake warning light
Charge warning light
Door open warning
...
