The Daytime Running Lights can make it easier for others to see the front of your vehicle during the day, especially after dawn and before sunset. The DRL system is ON when the headlight switch is in the OFF or the AUTO headlight position and the Electronic Parking Brake is released.
It turns off when:
AUTO headlight
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The headlights and parking lights are turned ON or OFF automatically depending on the amount of daylight as measured by the ambient light sensor
Lighting Control
High Beam OperationHyundai Tucson (NX4) 2022-2026 Service Manual: Variable Intake Solenoid (VIS) Valve
- Description
Variable Intake manifold Solenoid (VIS) valve is installed on the
intake manifold. The VIS valve controls the vacuum modulator which
activates a valve in the intake manifold. The ECM opens or closes this
valve according to engine condition (Refer to below table).
Engine Cond ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Electric EGR Control Valve
- Description
The Electric EGR Control Valve is installed in between the EGR cooler
and the exhaust line and is a solenoid valve. This valve controls EGR
(Exhaust Gas Recirculation) amount by the ECM's duty control signal
depending on engine load and the need of intake air.The Exhaust Gas
...