My 307SW 1.4 diesel has a problem with central locking. In a nutshell is goes haywire. If you try to unlock it with blip or key direct it locks and unlocks several times it may stay locked or unlocked, once in and started it continues to lock and unlock itself during the journey and after. If it is left parked it may unlock itself after a short time. etc etc. Has anyone any idea how to solve this problem other than a couple of hundred quid to dealer.
