Ford 1997 Aerostar Manual page 107

Installation and removal of the second and third passenger
bed and bench seat
Never adjust the driver's seat or seatback
when the vehicle is moving.
Always latch the vehicle seat to the floor,
whether the seat is occupied or empty. If
not latched, the seat may cause injury
during a sudden stop.
Before using the seat, make sure that the
latch hooks are securely locked around the
floor pins.
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