Hi. The car (2003 XKR) has started randomly and briefly sounding the horn, when driving. It doesn't seem to have any pattern.....not always over bumps, when turning the steering wheel etc......just a very short 'bip' or sometimes two.
Any ideas where to start the hunt for the culprit ?
Cheers.
Rob

 

I think I'd start with the relay as it's the easiest bit to get to (engine compartment fuse box). First test - remove the relay and drive the car, does the bipping stop? You could try a replacement relay, after that it's the steering wheel cassette and the horn buttons.