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: Brake Booster
- Components
1. Reservoir cap2. Reservoir3. Brake booster4. Master cylinder5. Push rod
- Brake Booster Operating Test
1.Run the engine for one or two minutes, and then stop it. If the
pedal depresses fully the first time but gradually becomes higher when
depressed succeeding times, ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Blind-Spot Collision-Avoidance
Assist Operation
Collision warning
When a vehicle is detected in a blind
spot, the warning light on the side view
mirror illuminates.
Blind-Spot Collision Avoidance Assist
operates when your vehicle speed
is above 12 mph (20 km/h) and the
speed of the vehicle in the blind spot
area is above 7 ...