To sound the horn, press the area indicated by the horn symbol on your steering wheel (see illustration). The horn will operate only when this area is pressed.
NOTICE
Do not strike the horn severely to operate it, or hit it with your fist. Do not press on the horn with a sharp-pointed object.
Hyundai Sonata LF 2014-2019 Service Manual: Quarter Fixed Glass Components and Components Location
Components Location
1. Quarter fixed glass
...
Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
General Inspection
After or before servicing the EPS system, perform the
troubleshooting and test procedure as follows. Compare the system
condition with normal condition in the table below and if abnormal
symptom is detected, perform necessary remedy and inspection.
Test conditionNormal ...