Contents:
| Items | Specifications | |
| Rated voltage | 5V | |
| Load | Max. 1mA (When head lamp lighting) | |
| Illuminations (LUX) | 50 | 1.42 ± 0.31V |
| 100 | 2.63 ± 0.58V | |
| 150 | 3.84 ± 0.84V | |

1. Auto light sensor
2. Head lamps
3. Lighting switch (Auto)
4. Tail lamps
5. BCM (Body Control Module)

1.Oprate the auto light swith, then check for continuity between terminals of multi-function switch connector.

| Switch Position | SwitcH Terminal | Resistance (Ω, ±3.5%) |
| OFF | 9-14 | 680 |
| AUTO / DRL | ∞ | |
| Tail lamp | 1680 | |
| Low beam | 1680 |
1.Disconnect the negative (-) battery terminal.
2.Remove the photo & auto light sensor (A) from crash pad upper side by using screw (-) driver.

3.Remove the auto light connector.
1.Reconnect the auto light connector.
2.Install the auto light sensor.
Hyundai Accent (HC) (2017 - 2022) Service Manual: Warning and Indicator Lights
Information Make sure that all warning lights are OFF after starting the engine. If any light remains ON, it indicates a condition that requires attention. Air Bag Warning Light This warning light illuminates: When the ignition switch is turned to the ON position. - It illuminates for approximately 6 seconds and then turns off. When there is a malfunction in the Supplemental Restraint System (SRS).Hyundai Accent (HC) (2017 - 2022) Service Manual: Seat Belt Restraint System
In the Hyundai Accent, the seat belt restraint system is designed to hold occupants in the correct position during everyday driving and to help reduce injury risk in a sudden stop or collision. For the best protection, always wear your seat belt correctly and confirm every passenger is properly buckled up before the Hyundai Accent starts moving. WARNING Improperly positioned seat belts may increase the risk of serious injury in an accident.