Even though your vehicle is equipped with the OCS, never install a child restraint in the front passenger's seat. An inflating air bag can forcefully strike a child or child restraint resulting in serious or fatal injury.
WARNING
Hyundai Elantra AD (2016-2020) Service Manual: Alternator Components and Components Location
Components
1. OAD (Overrunning Alternator Decoupler) 2. Front Bracket3. Front Bearing4. Stator5. Rotor6. Rear Bearing7. Rear Bracket8. Brush Holder Assembly9. Through Bolt10. Rectifier Assembly11. Rear Cover
...
Hyundai Elantra AD (2016-2020) Service Manual: AVN Remote Controller Schematic Diagrams
Circuit Diagram
[Audio + B/Tooth + Voice]
[Trip]
[Trip / Cruise]
[Trip / Cruise/ Smart Cruise] ...