PSA cars did this and other similar wiper quirks, usually a single sweep, quite often when brand new in delivery (transit) mode, before the main fuse (yellow?) was put in, had to remember to free the wipers if frozen to the screen before opening up.
It might be worth checking the main fuse, and disconnecting the battery for a while to allow everything to reset.....don't do it on my say so though, wait till someone comes along that has a clue what they are doing...;)
Edited by gordonbennet on 09/04/2012 at 13:43
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