DT*: THE CONTACT STATED WHILE DRIVING 2 MPH OVER A SPEED BUMP THROUGH A PARKING LOT IN THE RAIN, THE FRONT PASSENGER SIDE CURTAIN AIRBAG DEPLOYED FROM WITHIN THE SEAT WITHOUT WARNING. THE PASSENGER WAS NOT WEARING A SEAT BELT, AND SUSTAINED MINOR INJURIES. THE VEHICLE WAS INSPECTED BY A DEALER WHO DETERMINED THE AIRBAG DEPLOYED DUE TO IMPACT OF ONE OF THE AIRBAG SENSORS UNDERNEATH THE VEHICLE. THE MANUFACTURER WAS NOTIFIED.