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: Phone
Information - Using Bluetooth® Wireless Technology(BT) Cellular Phone Bluetooth® Wireless Technology is a near-field wireless networking technology that uses the 2.4 GHz frequency to connect various devices within a certain distance wirelessly. In the Hyundai Accent, Bluetooth® Wireless Technology supports handsfree calling and (when compatible) media streaming.Hyundai Accent (HC) (2017 - 2022) Service Manual: Specifications
- Specifications DescriptionSpecificationsLimit General TypeIn-line, DOHC   Number of cylinders4   Bore75.60 mm (2.9764 in)   Stroke89.0 mm (3.5039 in.)  Total displacement1,598 cc (97.52 cu.in)  Compression ratio11.2 ± 0.2 : 1  Firing order1-3-4-2   Valve timing Intake valveOpensBTDC 42° - ATDC 38°   ClosesABDC 7° - ABDC 87°   Exhaust valveOpensBBDC 43° - ABDC 2°   ClosesATDC 0° - ATDC 45°   Cylinder head Flatness of gasket surfaceLess than 0.