What is wrong with my horn?

Asked by DemolitionMan746 Jun 04, 2020 at 11:27 AM about the 2004 Cadillac DeVille DHS Sedan FWD

Question type: Maintenance & Repair

2004 Cadillac Deville. If both the fuse for the horn
and the relay are in fuse box, the horn will go off
continually. Have to remove fuse for horn for it to
not constantly sound. Any ideas as to what is
wrong?

1 Answer
30

MitchterT answered 4 years ago

It's the anti theft system , if I do not have key fob stick key in door and unlock twice it should turn the horn off

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