RANDOM ACCELERATION. BACKED OUT OF PARKING SPACE , PUT CAR IN DRIVE AND PRESSED ACCELERATOR TO MOVE FORWARD. ACCELERATION INCREASED ON ITS OWN. REMOVED FOOT FROM ACCELERATOR, PRESSED THE BRAKE. ACCELERATION CONTINUED TO INCREASE, HIT THE BRAKE PEDAL HARD.. ACCELERATOR CONTINUED TO INCREASE ON ITS OWN. (COULDN'T STOP VEHICLE) HIT A CURB AND FLIPPED THE VEHICLE.