WHILE VEHICLE WAS IN REVERSE, VEHICLE UNEXPECTEDLY ACCELERATED. WHEN BRAKES WERE APPLIED, PEDAL WENT TO THE FLOOR, CAUSING LOSS OF VEHICLE CONTROL WHICH RESULTED IN A COLLISION.*AK CONSUMER HAS BEEN TOLD THAT THERE IS NOTHING WORNG WITH THE BRAKES, HOWEVER THIS INCIDENT HAS HAPPENED TWICE. *SLC