Honda Civic Owner's Manual page 94

Seats
Rear Center Position
RELEASE BUTTON
When a passenger is seated in the
rear center seating position, make
sure the head restraint is adjusted to
its highest position.
90
Armrest
On all models except DX
The lid of the console compartment
can be used as an armrest by moving
it forward and backward. Make sure
the armrest is securely latched.
Make sure your passenger's hands
or fingers are away from the armrest
before moving it.
On EX models, the rear seat armrest
is in the center of the rear seat. Pivot
it down to use it.
Folding Rear Seat
The back of the rear seat folds down,
giving you direct access to the trunk.
The seat-back is released from inside
the trunk.
On DX, LX, a nd Canadian DX-G models
The seat-back can be folded down as
one piece.