Hyundai Sonata: 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.
Schematic Diagrams
Circuit Diagram ...

Auto Light Sensor Repair procedures
Inspection Check if the auto light control operates like a timing chart shown below. Tail lamp output and head lamp (Low) output is controlled based on the auto light sensor's input (illuminati ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation
System Overview RPAS (Rear Parking Assist System) is an electronic driving aid that warns the driver to be cautious while parking or in low speed environments. The sensor uses ultrasonic waves to detect objects within proximity of the vehicle. RPAS consists of four RPS sensors which are de ...

Hyundai Sonata LF 2014-2019 Owners Manual: Using the Tire Mobility Kit
1. Detach the speed restriction label (0) from the sealant bottle (1), and place it in a highly visible place inside the vehicle such as on the steering wheel to remind the driver not to drive too fast. 2. Screw the connection hose (9) onto the connector of the sealant bottle. 3. Ensure that the ...

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