All this discussion about the aircond system inspired me to have another look at why I'm not getting any air from the lower vents in my car (series one 505). I was having a look at the vacuum hoses where they hook into the selector switch, and noticed that there appears to be a hose missing - I have a total of 6 connectors on the switch (I assume for the 6 different aircond modes) and only 5 hoses connected leaving one with no hose connected. I thought before I began pulling the interior apart to locate mystery vacuum hose number 6, I'd check to see if this is the source of the problem. Wouldn't want to pull the car apart only to discover that there is only supposed to be 5 hoses! Presently there is a yellow and a blue vacuum hose that goes up into the internals of the car, and three black hoses which go down into the centre console *somewhere* - the challenge is where to start looking for mystery hose number 6 (assuming it even exists) - up, or down??!?