• The hydraulic system consists of a valve body, an oil filter and an oil pump.
• The oil pump is powered by the engine. ATF passes through the oil filter and gets distributed along the oil channels.
• The oil becomes highly pressurized as it exits the oil pump and passes through the line pressure valve before being fed to the clutch & brake control valve, clutch, and brakes.
• TCM controls the hydraulic pressure using solenoid valves and controls clutch and brake operations.

Hydraulic System
Electronic Oil Pump (EOP)Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Auto Hold. Warning messages
Auto Hold maintains the vehicle in a
standstill even though the brake pedal is
not depressed after the driver brings the
vehicle to a complete stop by depressing
the brake pedal.
Information
When the vehicle is restarted, the last
setting for Auto Hold is applied.
To apply:
Type A
...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Oil Level Sensor
- Removal and Installation
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 ...