1996 Ford Aerostar Owner's Manual - Page 120
1996 Ford Aerostar Manual
Page 120 highlights
4. 5. Ensure that the latch handles are fully seated in the down position. Before you engage the safety belt, be sure it is not twisted. A twisted safety belt may cause the retractor to work improperly. Remove any twist, then insert the tongue end of the detachable anchor into the detachable anchor until you hear a "snap" and feel the latch engage. Refer to the previous illustration. The two passenger bench or bed seat must be installed in the first row behind the front seats on wagons with seven passenger seating. To fold down the rear seatback: To lower the rear seatback down to its cargo or bed position, release the seatback latch by moving the release lever forward for the bench seat or upward for the seat bed. Then fold the seatback down. The latch will re-engage in the cargo position. To raise the seatback, release the seatback latch and rotate the seatback upwards until the latch re-engages. (A slight downward pressure on the bench seat seatback will reduce effort on the latch.) 139