• Engine coolant is used for circulating heat in order to heat and cool the transaxle oil.
• Prevents over heating of the transaxle oil while the vehicle is moving.

Oil CoolerHyundai Tucson (NX4) 2022-2026 Service Manual: Troubleshooting
- Troubleshooting
SymptomProbable CauseRemedy
Engine misfire with abnormal internal lower engine noises.Worn bearings due to shortage orexcessive oilReplace the crankshaft and bearings as required.
Improperly installed flywheelRepair or replace the flywheel as required.
Worn piston rings.(Oil ...
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.
...