VEHICLE WAS SLOWING DOWN TO COME TO A STOP AND ANOTHER VEHICLE REAR ENDED SL1. UPON IMPACT, BOTH FRONT SEATS COLLAPSED BACKWARDS ONTO REAR SEATS. MANAGED TO PULL VEHICLE OVER TO SIDE OF ROAD. DRIVER/ PASSENGER COULDN'T SEE OUT OFF WINDSHIELD. *AK THE CONSUMER IS CONCERNED ABOUT FUTURE SAFETY, ESPECIALLY WHEN CHILDREN ARE IN THE BACK SEAT. *YH