• 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: Smart Cruise Control conditions not
met
If the Driving Assist button, the +/-
switch, or the
button is pushed
when Smart Cruise Control’s operating
conditions are not met, the "Smart Cruise
Control conditions not met" message
appears on the instrument cluster, and
an audible warning sounds.
In traffic situation
In tr ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Limitations of Navigation-based
Smart Cruise Control
Navigation-based Smart Cruise Control
may not operate normally if:
The navigation system is not working
properly.
Map information is not transmitted
due to an issue with the infotainment
system.
Speed limit and road information in
the navigation system has not been
updated.
...