1.Disconnect the negative (-) battery terminal.
2.Remove the inside rear view mirror cover (A).

3.Remove the rain sensor cover (A).

4.Separate the auto defogging sensor connector (A) and remove the auto defogging sensor (B).

5.Install in the reverse order of removal.
Ambient Sensor
PM SensorHyundai Tucson (NX4) 2022-2026 Owner's Manual: Idle Stop and Go (ISG) System
Idle Stop and Go helps reduce fuel
consumption by automatically shutting
down the engine, when the vehicle is at
a standstill (i.e. red stop light, stop sign,
and traffic jam).
ISG system is always active, when the
engine is running.
Information
When the engine is automatically started ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Smart Key Diagnostic
- Inspection
Self Diagnosis With Scan Tool
It will be able to diagnose defects of SMART KEY system with diagnostic
tool quickly. diagnostic tool can operates actuator forcefully,
input/output value monitoring and self diagnosis.The following three
features will be major problem in SMART KE ...