This warning light illuminates :
Hyundai Sonata LF 2014-2019 Service Manual: Auto Head Lamp Leveling Unit Description and Operation
Description
According to driving environment and loading state of
vehicle, head lamp lighting direction is changed to keep the driver's
visibility range and to protect the driver's vision from glare, aiming
at safety driving.
Sensor integrated ECU mounting on the rear center arm drives
...
Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Components
1. Rear door inside handle cap2. Rear door pull cap3. Rear door trim4. Rear door module5. Rear door belt inside weatherstrip6. Rear door panel7. Rear door belt outside weatherstrip8. Rear door frame garnish9. Rear door delta inner cover 10. Rear door channel11. Rear door frame mould ...