UK-POLOS.NET - THE VW Polo Forum

I have this exact same problem... however I think mine is more developed.

Like you said, only happens when it is warm (fine when it's cold). I did some research on these forums and came to the same conclusion as you; either the clutch cable or the pedal box. I took it to a garage and asked them to ...

I've just had this problem. Was only looking for the boot sensor issue, it did not occur to me that the rear window washer not working was part of the same problem... the coin dropped when I found this thread though :)

Boot sensor is now unplugged and pipe is reconnected (should stop the alarm ...