WHILE TURNING INTO A PARKING SPACE FROM THE LANE OF A PARKING LOT, WITH MY FOOT ON THE BRAKE, MY VOLVO S80 ACCELERATED SO POWERFULLY IT COULD BE HEARD YARDS AWAY. I APPLIED THE BRAKE HARDER BUT THE CAR WOULDN'T STOP AND SURGED OVER A WHEEL STOP, IT WAS STILL SURGING SO I STARTED PUMPING THE BRAKE, THE CAR FINALLY CRASHED INTO A PIPE BOLLARD BRINGING IT TO A STOP, THE CAR WOULDN'T TURN OFF, THE ELECTRICAL WAS GOING HAYWIRE AND I COULD NOT GET THE CAR INTO PARK TO REMOVE THE KEY. UPON IMPACT THE SEAT BELT DID NOT HOLD MY MOTHER INTO PLACE AND THE AIRBAGS DID NOT DEPLOY. I AM THE ORIGINAL OWNER OF THIS 2008 VOLVO S80 AWD WITH 58K MILES ON IT IN PRISTINE CONDITION. I HAVE HAD PROBLEMS IN THE PAST WITH THE COOLING FAN MODULE, ENGINE RUNNING HOT, THE SCU MODULE, MAP SENSOR, A FAULTY FUEL SENSOR, FAULTY SCHRAEDER VALVES, FAULTY ALTERNATOR AND VOLTAGE REGULATOR, FAULTY AC COMPRESSOR BUT NEVER A POWER SURGE TO THIS EXTREME.