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: Before Driving
Before Entering the Vehicle
Make sure all windows, outside
mirror(s), and outside lights are clean
and unobstructed.
Remove frost, snow, or ice from both
the front and rear windshield as well
as the front side windows.
Visually check the tires for uneven
wear and damage.
Che ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Blind-spot Collision-avoidance Assist (BCA)
Blind-Spot Collision-Avoidance Assist
uses the front view camera and the rear
corner radar to help detect approaching
vehicles in the driver’s blind spot areas
and warn you of a possible collision with
a warning message and audible warning.
If there is a collision risk when changing
l ...