WHILE AT STAND STILL WITH FOOT ON BRAKES, VEHICLE STARTED REVVING UP & TOOK OFF. HIT VHEICLE IN FRONT. SECOND TIME AT CROSS WALK IT HAPPENED AGAIN. DID NOT HIT ANYTHING THAT TIME. THIRD TIME, HAD PLACED IT IN REVERSE AND IT TOOK OFF BACKWARDS AFTER REVVING UP. BEEN TO DEALER TWICE FOR CORRECTION. *AK