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:
Cargo Versatility
The Sentra's 13.1-cubic-foot trunk is similar in size to its main
competitors, but it offers greater cargo versatility thanks to a large opening
when you fold the backseat. It takes an extra step ...
Troubleshooting guide
The system should respond correctly to all voice
commands without difficulty. If problems are encountered,
try the following solutions.
Where the solutions are listed by number, try
each solution ...
Releasing the trunk lid
Press the button for longer than
0.5 seconds
to open the trunk lid. The trunk release
button will not operate when the ignition switch is
in the ON position or when the trunk cancel
switch is ...
