1997 Ford Aerostar Owner's Manual - Page 152

Built-in child seat maintenance Regularly inspect the lap and shoulder belts system of your child seat. See your Ford dealer if the shoulder belt webbing is frayed, or if the buckle and tongue are damaged and/or do not function properly. Safety Belts for Children Children who are too large for child safety seats should always wear safety belts. (See instructions with your child seat, or contact its manufacturer, to determine maximum size of child that will safely fit in the seat.) RWARNING If safety belts are not properly worn and adjusted as described, the risk of serious injury to the child in a collision will be much greater. If the shoulder belt portion of one of the lap and shoulder belts can be positioned so that it does not cross or rest in front of the child's face or neck, the child should wear the lap and shoulder belt. Moving the child closer to the center of the vehicle may help provide a good shoulder belt fit. 150