Hyundai Elantra: Auto Lighting Control System / Description and operation

Hyundai Elantra (CN7) 2021-2025 Service Manual / Body Electrical System / Auto Lighting Control System / Description and operation

Description

It's a system that uses illumination sensor to automatically turn ON the tail lamp and head lamp based on the change in surrounding environment's illumination condition. It activates when the vehicle enters/exits tunnel, or when the illumination condition in surrounding environment changes due to rain, snow, or fog. Precautions corresponding to the use of this system are as follows.

1.	Do not add another device on top of this device.

2.	Be sure to switch to manual during poor visibility climate, such as fog, heavy rain, or cloudy weather.

3.	Illumination intensity in an actual vehicle is not always constant, and lamp ON/OFF time may very depending on the climate, season, and surrounding environment.

4.	Use this system only during sunrise and sunset period, and manually control lamp ON/OFF for general conditions.

5.	Error may occur if light block coating that may change interior illumination is applied.

Auto Lighting Control System

Components and components location

Component Location1. Auto light sensor2. Head lamps3. Lighting switch (Auto)4. Rear combination lamps5. Integrated body control unit (IBU)..

Other information:

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Tachometer

The tachometer indicates the approximate number of engine revolutions per minute (RPM).

Use the tachometer to select the correct shift points and to prevent lugging and/ or over-revving the engine.

NOTICE

Do not operate the engine within the tachometer's RED ZONE. This may cause severe engine damage.