To defog inside windshield
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1. Select any fan speed.
2. Select the desired temperature.
3. Press the defrost button (
).
4. The outside (fresh) air is selected 
automatically. The air conditioning 
automatically operates if the mode 
is selected to the defrost-level 
 
position.
If the air conditioning and outside (fresh) air position are not selected automatically, press the corresponding button.
To defrost outside windshield
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1. Set the fan speed to the highest (extreme right) position.
2. Set the temperature to the hottest position.
3. Press the defrost button (
).
4. The outside (fresh) air and air conditioning is selected automatically.
Windshield Defrosting and Defogging
Automatic Climate Control 
SystemHyundai Tucson (NX4) 2022-2025 Service Manual: Troubleshooting
    - Troubleshooting
 
    
   • Be careful not to short-circuit the wiring by the body or other wirings.
  • In case of discharging problem, measure dark current at all times.(Charging System - "Dark Current Inspection")
  • When checking the alternator main fuse, perform continui ...
   
Hyundai Tucson (NX4) 2022-2025 Service Manual: Description and Operation
    - Description
 Idle Stop & Go (ISG) system switches off the ignition when vehicle 
is stopped, and then restarts the ignition and starts the vehicle when 
accelerator is pushed. It temporarily stops the engine while waiting for
 signal or idling to improve fuel efficiency and reduce exhaust ...