1.Remove the engine room under cover.(Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")
2.Drain the engine oil.(Refer to Lubrication System - "Engine Oil")
3.Disconnect the oil level sensor connector.
4.Remove the oil level sensor (A).
Tightening torque :8.8 - 9.8 N·m (0.9 - 1.0 kgf·m, 6.5 - 7.2 lb·ft)

• Always use new gasket.
5.Install in the reverse order of removal.
Oil Pressure Control Solenoid ValveHyundai Tucson (NX4) 2022-2026 Owner's Manual: Owner Maintenance. Owner Maintenance Schedule
WARNING
Performing maintenance on the vehicle
can be dangerous. If you lack sufficient
knowledge, experience, or proper
tools and equipment to do the work,
we recommend to have it done by an
authorized HYUNDAI dealer. Before
performing maintenance:
Park your vehicle on level ground. ...
Hyundai Tucson (NX4) 2022-2026 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 ...