[kabel]

Yes a common problem AND a common topic here on the forums... to quote myself:

Originally Posted by kabel

The bushings in the horn frame have weakened and need repairing. See this very recent thread from just a couple weeks ago:
Stuck Horn

If you want to read more about it there are a few threads about that here and a really good one over on Rentech.com Horn Problem, Horn problem

other threads here on 986forum:

Please HELP! Horn going off on its own

My Car Honks When I Brake!!!

Horn doesnt stop Honkin...