2005 HONDA ODYSSEY TOURING WITH 3000 MILES. THE LEFT SIDE PASSENGER POWER SLIDING DOOR OPENED COMPLETELY WHILE THE CAR WAS IN MOTION TODAY 05/21/05. THE DOOR WAS CLOSED AND LOCKED BEFORE THIS HAPPENED. THE DOOR OPEN INDICATOR ON THE MID DID NOT GO ON BEFORE THIS HAPPENED. THE DOOR OPEN INDICATOR ON THE MID SHOWED ONLY WHEN THE DOOR FLEW OPEN. THE POWER MECHANISM HAD BEEN TURNED OFF. MY EIGHT YEAR OLD SON WAS SITTING IN THE LEFT SIDE SECOND ROW SEAT WHEN THIS HAPPENED. HE WAS WEARING HIS SEATBELT. NO PERSON OR THING FELL OUT OF THE CAR. WHEN I BEGAN THIS TRIP THE DOOR OPEN BUZZER WENT ON WHEN THE TRANSMISSION WAS IN DRIVE BUT NOT WHEN IN PARK. THE BUZZER SHUT OFF WHEN THE POWER DOOR MECHANISM WAS TURNED OFF EVEN IF THE TRANSMISSION WAS IN DRIVE. I CHECKED ALL THE DOORS AND THEY LOOKED CLOSED, SEATED AND LOCKED. THE DOOR OPEN INDICATOR NEVER SHOWED EITHER ON THE DASHBOARD OR ON THE MID UNTIL THE DOOR FLEW OPEN. AFTER THIS INCIDENT I COULD NOT GET THE LEFT SIDE DOOR TO CLOSE AND LATCH MANUALLY. USING THE POWER MECHANISM THE DOOR DID NOT SEEM TO CLOSE COMPLETELY UNLESS I HELPED IT BY PUSHING. BUT AFTER A COUPLE OF SECONDS THE DOOR SEEMED TO POP OPEN A BIT AND IT OBVIOUSLY WAS NOT LATCHED. THE LOCK DID NOT HOLD AT ALL. ONE MONTH AGO THE OPEN DOOR BUZZER WAS GOING ON WHEN THE TRANSMISSION WAS IN DRIVE EVEN THOUGH THE DOORS WERE CLOSED. THE BUZZER SHUT OFF IF I TURNED THE POWER DOOR MECHANISM OFF. THIS WAS AN INTERMITTENT PROBLEM. I ALSO HAD SOME PROBLEMS CLOSING THE