After doing a spot of shopping at my local Asda, I got back into my 2.0JTD Eleganza (Ex-Addison Lee) to find it wouldn't start. There was then a loud beeping noise coming from inside the car and the front headlamps came on (and wouldn't go off) Nothing worked electrically. I tried to locate the Battery as the Handbook stated that it is in a Scuttle in front of the Passenger Seat. I eventually found it (in front of the Drivers Seat), and disconnected the battery. When I connected it again the car was ok, and has been since. Whilst looking for the Battery on the Passenger side, I found that all behind the carpet was soaking wet? Has anyone else encountered this or does anyone have any ideas as to where the water can be ingressing?