WARNING: This page is about a different car, the 2017 Genesis G80. However, it is still accessible from the selected car via links, so may be relevant.
Perform wheel alignment and place the steering wheel in a line within ±5° error.
Courtesy of
Connect the GDS. (CAN line or OBD connector)
Turn ignition switch on.
Press calibration button of the Steering Wheel Angle Sensor.