Other information:
The electrical system of your vehicle is designed to perform
under all reasonably expected operating conditions.
However, before any additional electrical equipment is
installed in your vehicle, consult an Authorized Kia
Dealer, in order to ensure that you do not void your warranty.
Certain ...
Inspection
Test the horn by connecting battery voltage to the 1 terminal and ground the 2 terminal.
The horn should make a sound. If the horn fails to make a sound, replace it.
Horn Relay Inspection
1.
Remove the horn relay (A) from the engine room relay box.
2.
There should be continuity ...