1.Disconnect the negative (-) battery terminal.
2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad Lower Panel")
3.Disconnect the 6P connector (B) of the coil antenna and then remove the coil antenna (A) after loosening the screw.

1.Install the coil antenna and connect the 6P connector.
2.Install the crash pad lower panel.
3.Connect the negative (-) battery terminal.
Immobilizer Control Unit
Auto Lighting Control SystemHyundai Tucson (NX4) 2022-2026 Owner's Manual: Normal Maintenance Schedule
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
*1 : Requires <API SN PLUS (or above) Full synthetic> grade engine oil. If a
lower grade engine oil (mineral type, semi-synthetic, lower
grade spec, etc.) is used, replace the engine oil and engine ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Heater Unit
- Component Location
1. Heater unit assembly
- Components
1. Heater unit assembly2. Heater core cover3. Heater core assembly4. Mode control actuator [LH]5. DEF duct seal6. Evaporator assembly7. Flange seal8. Heater NVH pad9. Temperature control actuator [LH]10. Heater case [LH]11. Ve ...