2005 HYUNDAI XG350L - INTERMITTENTLY WHEN DEPRESSING THE ACCELERATOR PEDAL, VEHICLE WILL NOT RESPOND AND AFTER A FEW SECONDS WILL SURGE FORWARD. THIS OCCURRED WHEN PULLING INTO PARKING LOT AND UPON REMOVING FOOT FROM THE GAS PEDAL, THE VEHICLE SURGED FORWARD. THE VEHICLE JUMPED A 10" CURB AND TOOK OUT A SUPPORT COLUMN. THE VEHICLE THEN HIT THE FRONT OF THE BUILDING. *TR