WHILE ENTERING A PARKING SPACE THE VEHICLE SURGED FORWARD WITHOUT PROVOCATION, CRASHING INTO A CONCRETE BARRIER WHICH THANKFULLY STOPPED THE FORWARD MOTION. I DON'T KNOW IF RELATED, BUT THE VEHICLE HAS A HISTORY OF HESITATION AND ROUGH SEQUENCING THROUGH GEARS OF THE AUTOMATIC TRANSMISSION. ADVISED BY MANUFACTURER THIS IS A WIRELESS TRANSMISSION, AND THAT THERE WAS A SOFTWARE UPDATE, INSTALLED 1/27/06. CONDITION CONTINUED THEREAFTER THOUGH NEVER ANYTHING APPROACHING THIS. SPEED AT INCIDENT DIFFICULT TO KNOW AND COMPONENT FAILURE BEST GUESS. *NM