Two weeks ago I saw a lot of water in the footwell on the drivers side. (Left hand drive car). It had been raining for three days straight. I dried it up as much as I could, and put a bunch of newspaper on the floor, and behind the plastic panels below the steeringwheel. I then embarked on a 5h drive, had the heating pumped all the way up, so that hopefully it dried up most of it. The isolation material behind the plastic covers is now dry, and same goes for the floor. It have been raining a few