1.Disconnect the negative (-) battery terminal.
2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit")
3.Loosen the mounting screws and remove the heater core cover (A).

4.Separate the heater core (A) from the heater unit.


5.Install in the reverse order of removal.
• Refill the cooling system with engine coolant.
• Do not interchange the inlet and outlet heater hoses and install the hose clamps securely.
• Make sure that there is no air leakage.
• Charge the system and test its performance.
Heater Unit
Evaporator CoreHyundai Tucson (NX4) 2022-2026 Owner's Manual: Outside temperature gauge
The outside ambient temperature
appears in the lower portion of the
cluster display. The temperature reads in
Fahrenheit or Celsius depending on the
units selected from the Settings menu in
the instrument cluster or infotainment
system.
The temperature indicated on the cluster
displ ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Snow or Icy Conditions. Tire chains
You need to keep sufficient distance
between your vehicle and the vehicle in
front.
Apply the brakes gently. Speeding, rapid
acceleration, sudden brake applications,
and sharp turns are very hazardous
practices. When decelerating, use engine
braking to the fullest extent. Sudden
brake ...