This article describes locating and rectifying a catastrophic water leak into the nearside passenger compartment of a six year old Škoda Yeti, which had a standard-fit panoramic sunroof.   The leak was traced to the NSF corner of the sunroof by removing the top of the NSF door seal and the NSF screen pillar trim. Subsequent removal of the headlining and testing of the sunroof showed the cause to be failure of the seal between the aluminium channel forming the nearside of the