hi fella
(opption 1)
i had same prob went shopping pressed blip (all locked) ,came back pressed blip (key fob lit up but no unlock) got a guy to come to car to download the clios bypass code,did that (fifty knicka!)
then you enter the code via w/wiper stalk end cap button,gas ped and/or central locking button in between front seats
(opption 2)
sit in car shut all doors
press and hold cent locking button
(doors lock)(by hand brake)
untill doors unlock & lock again (four clunks)
point fob towards bulk head press blip twice quick(think you have about 10 secs) if your lucky this may rezinc key to car
(not me new key 120 from dealer)
be lukie
t.c
f*&^kin french, December 2008