1.Measure the resistance between the terminals.
2.The measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor)

1.Disconnect the negative (-) battery terminal.
2.Remove the glove box.(Refer to Body (Interior and Exterior) - "Glove Box")
3.Disconnect the connector (A) and then remove the blower resistor (B) after loosening the mounting screws.

4.Install in the reverse order of removal.
Blower Motor
Power Mosfet (Dual)Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Windshield Defrosting and Defogging
WARNING
Do not use the defrost-level
position
during the cooling operation in extremely
humid weather. The outer surface of the
windshield may fog and reduce visibility,
causing a collision that results in serious
injury or death.
Set the mode selection button to the
face-level pos ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Lane Keeping Assist Settings
Lane Safety
With the ignition switch ON, go to
User Settings > Driver Assistance >
Lane Safety (for cluster type) or Setup
> Vehicle > Driver Assistance > Lane
Safety (for infotainment system type)
from the Settings menu to select the
following:
If Assist is selecte ...