This warning light illuminates:
When the engine oil pressure is low.
If the engine oil pressure is low:
NOTICE
Information
When engine oil pressure decreases due to insufficient engine oil, etc., the Engine Oil Pressure warning light illuminates. In addition, the enhanced engine protection system that limits engine power is activated. If the engine oil pressure is restored, the Engine Oil Pressure warning light and the enhanced engine protection system turn off. However, for gasoline 2.5 GDI engine, when the engine oil pressure is restored, the warning light and the enhanced engine protection system turn off after the engine is restarted.
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Winter Precautions
Use high quality ethylene glycol coolant
Your vehicle is delivered with high quality
ethylene glycol coolant in the cooling
system. It is the only type of coolant
that should be used because it helps
prevent corrosion in the cooling system,
lubricates the water pump, and prevents
freezi ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Engine Coolant Temperature Sensor (ECTS)
- Description
Water temperature sensor (WTS) is located in the engine coolant passage
of the cylinder head for detecting the engine coolant temperature.The
WTS uses a thermistor whose resistance changes with the temperature.The
electrical resistance of the WTS decreases as the temperature i ...