1997 Ford Aerostar Owner's Manual - Page 121
1997 Ford Aerostar Manual
Page 121 highlights
3. Pull the belt out of its holder as far as it will go and untwist the belt or remove the object that is jamming the belt. Let the belt retract. Then, pull the belt out and let it retract several times to make sure that the belt works properly. 4. For Twisted Rear Outboard Combination Lap and Shoulder Safety Belts - Detachable Anchor Disengage the detachable anchor tongue from the detachable anchor, remove the twist and re-install the detachable anchor tongue end into the detachable anchor until you hear a snap and feel the latch engage. Procedure to Correct a Twisted Safety Belt at the "D" Ring (if so equipped) Front and/or Rear Outboard Seating Positions NOTE: The restraint system shown in the following figures may be different than the restraint system in your vehicle. However, use these figures and this procedure to correct a twisted safety belt at any outboard seating position that has a "D" ring. 119