I WAS DRIVING ON WET ROAD AND I COULDN'T STOP FAST ENOUGH, I HYDROPLANED INTO THE BACK OF A SEMI, I WAS NOT SPEEDING, IT WAS A HARD IMPACT, BUT NOT HARD ENOUGH TO BREAK THE CARSEAT. SOMETHING INTERNALLY BROKE IN MY DAUGHTERS CARSEAT CAUSING HER TO COME OUT AND LAND IN THE FLOOR BOARD. THE CARSEAT WAS NEW, I BOUGHT IT ABOUT 6 MONTHS AGO. I HAVEN'T DONE ANYTHING TO THE CARSEAT, AND THE MANUFACTURE DOESN'T WANT TO DO ANYTHING EITHER. THE CARSEAT HAD A 5 POINT HARNESS, THE MAIN BUCKLE THAT GOES IN BETWEEN THE LEGS FAILED. NOW YOU CAN BUCKLE IT AND HEAR THE CLICK, LIKE IT STILL WORKS, BUT WHEN YOU PULL UP, IT COMES RIGHT UP.