1.Disconnect the battery negative terminal.
2.Remove the engine cover.(Refer to Engine And Transaxle Assembly - “Engine Cover”)
3.Remove the air duct (A).

4.Remove the air cleaner assembly.
(1)Disconnect the air flow sensor connector (A).
(2)Disconnect the breather hose (B,C).
(3)Disconnect the PCV hose (D).
(4)Disconnect the intake hose (E).
(5)Disconnect the air cleaner assembly (F).
Tightening torqueHose clamp : 2.9 - 4.9 N.m (0.3 - 0.5 kgf.m, 2.2 - 3.6 lb-ft)Air cleaner bolts : 7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 lb-ft)

5.Install in the reverse order of removal.
1.Remove the air cleaner element cover (A) by lifting it off.

2.Unlock the air cleaner element camshaft (A) by turning in the direction of arrow.

3.Replace the air cleaner element (A) with a new one.

• When removing the air cleaner element, pull the air cleaner element handle forward.
• If there is foreign substances in the air cleaner assembly, clean the inside of air cleaner assembly and then replace the element.
4.Lock the air cleaner element camshaft and then close the air cleaner element cover.
Intake ManifoldHyundai Tucson (NX4) 2022-2025 Service Manual: Heater Core
- Replacement
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 ord ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Driver Assistance System
Settings
Warning Timing
With the ignition switch ON, go to User
Settings > Driver Assistance > Warning
Timing (for cluster type) or Setup >
Vehicle > Driver Assistance > Warning
Timing (for infotainment system type)
from the Settings menu to change the
initial warning activation ...