1. Start the engine.
2. Set the mode to the desired position. For improving the effectiveness of heating and cooling, select:
- Heating:.png)
- Cooling:.png)
3. Set the temperature control to the desired position.
4. Set the air intake control to the outside (fresh) air position.
5. Set the fan speed control to the desired speed.
6. If air conditioning is desired, turn on the air conditioning system.
7. Press the AUTO button to convert to full automatic control of the system.
Automatic Heating and Air
Conditioning
Mode selectionHyundai Tucson (NX4) 2022-2026 Owner's Manual: Rear Window Defroster
NOTICE
Never use sharp instruments or window
cleaners containing abrasives to clean
the window to prevent damage to the
rear window defroster.
The defroster heats the
window to remove frost, fog,
and thin ice from the interior
and exterior of the rear
window, while the engine is
...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Heater Control Unit
- Components Location
1. Heater control unit
- Component
[Connector Pin Function]
Pin NoConnector AConnector B
1Driver's mode control actuator feedbackSensor ground
2Intake actuator feedbackECV (-)
3Passenger's temperature control actuator feedbackECV (+)
4Driver's temperature co ...