This is an odd one... Happened today, but has happened on a couple of previous occasions. What am I doing wrong? 1. Feckwit pulls out right in front of me; 2. I go for the brakes, and also the horn push in mad panic, i.e. mash steering wheel centre with palm of hand; 3. I think the horn sounds; 4. I can't hear the horn itself because of the cacophony coming from the dash/cluster - sounds like the warning bleep when you first switch on, but continuous. No warning lights/messages; 5. Panic averted, release horn push and the horn stops, but cacophony continues for several seconds; 6. Eventually noise stops, and several seconds later still, the single "everything OK" beep sounds; 7. Calm is restored. What is going on? Does anyone else have this? I'm baffled as to what the car thinks is wrong, and it certainly is not telling me.