CONSUMER DRIVES DAILY AND SAYS THAT TRUCK JUMPS OUT OF GEAR WHILE NOT MOVING OR WAITING FOR LIGHT. TT CONSUMER STATES VEHICLE WAS SITTING IN PARK IN THE DRIVEWAY AND LEFT RUNNING, VEHICLE SITS FOR ABOUT 15-20 MINUTES WITH NO PROBLEMS, NO ONE WAS IN THE VEHICLE AND IT JUST JUMPED OUT OF PARK WENT BACKWARDS INTO A BUILDING ABOUT 50 FEET, THERE WAS DAMAGE TO THE BUMPER.*JB