That area under the floor was always a wet spot that I couldn't locate the source of the leak. The solution was to leave the car in the sun with the door open to dry it when it got wet. If the car hadn't leaked water, it would have leaked carbon monoxide through the back door. Coming home from Flint, it got cold, so I couldn't drive with the window open like when I drove there. I couldn't figure out why I was so tired and had to stop to rest every couple of hours. A few weeks later, I attended a car show, and on the way home, the same thing happened again. That is when I realized the problem. I learned that the problem was the back door and the way that the exhaust was routed. I also realized that the sliding window behind the seat was open. I closed the window, cracked open both rear door windows, and the problem went away. I loved the car, but hated driving it some days because it was so difficult to see out the back.