Front Seat Belt Retractor problems of the 2003 Dodge Grand Caravan

2003 Dodge Grand Caravan - the seat belts did not lock during an accident. This was a rear impact crash. Consumer's vehicle stopped at a light, and traffic has just started to move, and vehicle in front started a chain reaction of stopping. The vehicle in the rear did not stop, hitting consumer's vehicle at 45 mph. Upon impact, consumer slammed on the brakes and the other car went under the rear of consumer's vehicle. Consumer's wife hit her face on the dashboard, and consumer hit the side of his face on the steering wheel. Since the accident no one inspected the vehicle to see why the seat belts did not lock during the impact. Consumer had the van for five weeks. A police report was taken, and there two persons were injured.