Kia Optima: Body Electrical System / Horn

Kia Optima DL3 2019-2020 Service and Repair Manual / Body Electrical System / Horn


Operating voltage
9 - 16 V
Current consumption
MAX 5.0 A
At 12 V
Sound level
111 ± 3 dB
At 13 V, 2 m
Insulation resistance
By 500 V megameter

Components and components location
Component Location

1. Horn switch
2. Engine room junction block (Horn fuse)
3. Horn (Low pitch)
4. Horn (High pitch)

Repair procedures

Disconnect the negative battery terminal.


Remove the front bumper assembly.

(Refer to Body - "Front Bumper assembly")


Disconnect the horn connector (A).


Remove the horn (B) by loosening the bolt.

Tightening torque :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

[Low pitch]

[High pitch]


Install in the reverse order of removal.


The relay on the horn of this vehicle is implanted into the metal core block PCB of the engine room relay block.


The semi-conductor type relay inserted in the PCB is impossible to replace. If the relay needs to be replaced, replace the metal core box and conduct a test on it.

Head Up Display (HUD) Unit
Schematic diagrams Connector and Terminal Function Repair procedures Removal    • ...

Ignition Switch Assembly
Repair procedures Removal 1. Disconnect the negative battery terminal. 2. Remove the steering column upper & lower shroud panel. (Refer to Bo ...

Other information:

Kia Optima DL3 2019-2020 Owner's Manual: Mode selection

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Kia Optima DL3 2019-2020 Owner's Manual: Warning message

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