MY DAUGHTER WAS DRIVING WITH MY GRANDDAUGHTER AND WAS HIT FROM THE REAR, TOTALING MY 2019 SUBARU OUTBACK. BOTH MY DAUGHTER AND GRANDDAUGHTER REPORTED HITTING THE DASHBOARD OR THE WINDSHIELD. NONE OF THE AIRBAGS DEPLOYED AND THE DRIVER'S HEADREST ENDED UP ON THE DRIVER'S LAP. AT THE TIME OF THE ACCIDENT, THE FRONT AUTO WAS ABOUT TO START FORWARD OR HAD STARTED FORWARD WHEN THE SIGNAL LIGHT HAD JUST TURNED GREEN.. THE POLICE REPORT IS ATTACHED, WITH A LETTER FROM THE MERIDIAN, IDAHO POLICE DEPARTMENT. MY CONCERNS ARE 1) SHOULD THE AIRBAGS HAVE DEPLOYED AND 2) SHOULD THE DRIVER'S HEADREST HAVE DETACHED FROM THE SEAT? IF THE DRIVER'S CONTACT INFO IS NEEDED, PLEASE LET ME KNOW.