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: General Safety Information and Caution
- Instructions • The R-1234yf liquid refrigerant is flammable gas. The gas reduces oxygen available for breathing and causes asphyxiation in high concentrations. The victim will not realize that he/she is suffocating. • Inhalation may cause central nervous system effects and may cause drowsiness and dizziness. • Ingestion may cause gastrointestinal discomfort.Hyundai Accent (HC) (2017 - 2022) Service Manual: Repair procedures
- Removal 1.Remove the air cleaner assembly.(Refer to Engine Mechanical System - "Air cleaner") 2.Remove the battery and battery tray.(Refer to Body Electrical System - "Battery") 3.Drain the coolant.(Refer to Engine Mechanical System - "Coolant") 4.Disconnect the position switch connector (A). 5.Disconnect the driven pully speed sensor connector (B).