Mazda 2012 3 Owner's Manual page 24

WARNING
Always make sure the seat belts are
fully pulled out from under the
seatbacks:
A seat belt caught under a seatback
after the seatback is returned to its
upright position is dangerous. In a
collision or sudden stop, the seat belt
cannot provide adequate protection.
When returning the seatback to the
upright position, make sure there is no
red indication:
A rear seatback not fully returned
and locked in the upright position is
dangerous. Sudden stops or
maneuvering could cause a seatback
to flip forward suddenly resulting in
injury. If the red indicator is visible on
the back of the rear seatback knob,
the seatback is not locked in the
upright position.
Locked position
Unlocked position
Red indicator
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qArmrest
The rear armrest in the center of the rear
seatback can be used (no occupant in the
center seat) or placed upright.
Essential Safety Equipment
Seats
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2-9
Some models.