1.Disconnect the negative (-) battery terminal.
2.Remove the heater control unit.(Refer to Heating,Ventilation And Air Conditioning - "Heater Control Unit")
3.Loosen the mounting bolt,nut,screw and remove the Integrated Body Control Unit (A).

4.Disconnect the connectors and remove the Integrated Body Control Unit (A).

1.Install the Integrated Body Control Unit.
2.Install the heater control unit.
3.Connect the negative (-) terminal
Repair procedures
Antenna CoilHyundai Tucson (NX4) 2022-2026 Owner's Manual: Seat belt warning light. Airbag warning light
Seat belt warning light
This warning light informs the driver that
the seat belt is not fastened.
For more information, refer to the “Seat
Belts” section in Chapter 3.
Airbag warning light
This warning light illuminates:
When the ignition switch is in the ON
position. It illum ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Description and Operation
- Description of ESP
Electronic Stability Control (ESC) recognizes critical driving
conditions, such as panic reactions in dangerous situations, and
stabilizes the vehicle by individual wheel braking and engine control
input.ESC adds an additional function known as Active Yaw Control (AYC) ...