Horn sounds at times when key is turned to crank position. It did this once before, but quite after a few mins. Today it did this and continued until I turned off. I have tried pressing all buttons on key fab, but no luck. This is on a 2008 LTZ, 4x4, crew cab with all controls, etc. This is my first Diesel, but this is not a Diesel Issue.

Possible broken or worn wire in the steering column. Take it back to the dealer..should be a warranty fix.

Tks for the response. My truck has 36K so out of bumper to bumper warranty. I just removed the 15 amp fuse for the horn. It seems that is the only thing working on that fuse. Anyone see any problems with doing this. I never use the horn anyway.