WARNING: This page is about a different car, the 2023 Hyundai Palisade. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
Disconnect the connector (A).
Courtesy of HYUNDAI MOTOR AMERICA
Remove the SBW Control Unit (SCU) (C) after removing the nuts (B).
Courtesy of HYUNDAI MOTOR AMERICA
Remove the SCU (SBW Control Unit) (A) after removing the bolts.