DRIVER OF 2006 HYUNDAI SONATA, MAKING UPHILL TURN INTO A FLAT PARKING SPACE EXPERIENCES ENGINE POWER SURGE THAT PROPELS VEHICLE OVER SIGN STANDARD, FLATTENING SIGN AND REQUIRING TOW TRUCK TO EXTRICATE VEHICLE. PHOTOS AVAILABLE. THIS IS A KNOWN DEFECT AS RESEARCH HAS SHOWN SYNDICATED REPORTER JAMES R. HEALEY OF USATODAY NOTED SAME DANGEROUS POWER SURGE IN TEST VEHICLE IN JULY OF 2005. OWNER OF INCIDENT VEHICLE HAD SAME COMPLAINT AND ASKED DEALER TO CHECK DEFECT ON PRIOR OCCASION. DEALER SERVICE REPORTED NO PROBLEMS. IN THIS INCIDENT VEHICLE WAS TOWED TO DEALER FOR SAFETY AND DAMAGE ASSESSMENT, AGAIN DEALER SERVICE REPORTS NO PROBLEM OR RECALL. *TR