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 Service Manual: Drive Belt Tensioner
- Removal and Installation
• Be careful not to damage the parts located under the vehicle
(floor under cover, fuel filter, fuel tank and canister) when raising
the vehicle using the lift.(Refer to General Information - "Lift and
Support Points")
Drive Belt Tensioner
...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Remotely Starting the Engine
Type A
Type B
You can start the vehicle using the
Remote Start button on the smart key.
To start the vehicle remotely:
1. Press the door lock button within 32
feet (10 m) from the vehicle.
2. Press and hold the remote start button
() within 4 seconds.
To turn off the engine:
Press t ...