TL*THE CONTACT OWNS A 2008 FORD FUSION. WHILE DRIVING 60 MPH, THE VEHICLE ACCELERATED ON ITS OWN. THE CONTACT STRUCK A CURB TO STOP THE VEHICLE. PRIOR TO THE FAILURE, THE ENGINE REVVED HIGHER THAN NORMAL. THE VEHICLE HAS NOT BEEN DIAGNOSED BY THE DEALER. THE CURRENT AND FAILURE MILEAGES WERE 300.