Hi, Our 2011 C1 has suddenly decided to start sounding the horn. With the car parked and locked it will just start on its own. To stop it I can pull the fuse, but when I refit the fuse it restarts hooting straight away. To stop this I found if I disconnect the battery it sort of does a reset, until it decides to sound again. On this and other forums there is mention of a relay? I have removed the Horn push/air bag, steering wheel and instrument cluster along with most of the front interior trim. I have also removed the front panel, N/S headlamp and fuse box. No sign of a relay. Horn push and rotary contact assembly ( think its called a Squib?) do not appear to be shorting. My local garage say according to their tech info there is no relay. So has anyone ever found this mystery relay, if so where?? Has anyone ever cured this problem?
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