Jeep Cherokee Horn Stuck On

When I Press The Horn On The Steering Coloum I Get A Buzzing Noise Near Front Passengers Feet. It Will Only Buzz Aslong As I Hold The Horn.

Out Of The Blue The Other Day The Alarm Just Started Going Off, The Only Way I Could Stop It, Was To Pull The Horn, Fuse It Crank And Drive...

Still, Sometimes When I Start My Car, The Ignition Causes The Security Light, Horn, And Lights To Go On For About 15-20 Minutes. If I...