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I have a VY 2002 and the horn has come on by itself a few times after being parked and locked for a few hours. When I run out and press the key remote to unlock the doors it doesnt work so I have to unlock the doors manually by turning the key which then sets of the alarm (another sound on top of the horn sound) then I have to put the key in the ignition and turn it on to turn the alarm off but the horn still remains on untill I punch the crap out of the middle of the steering wheel until it stops...
Can't have searched too hard. Try searching for "horn stuck"Tried searching before i posted, maybe i didn't type the right things.
I searched 'vy horn problem'
'vy horn' came up with far too much.
I dunno, I guees i'll just keep reading through.
Luckily it hasn't happened again...
yet.....
theres a sticker inside peeling up when it gets warm which then triggers it.