This warning light illuminates:
Hyundai Sonata LF 2014-2019 Service Manual: AVN Remote Controller (Sonata Sports) Components and Components Location
Components
1. Left remote control switch (Audio + Hands free)2. Right remote control switch (Cruise+Trip Computer)3. Paddle shift switch (Down)4. Paddle shift switch (Up)
...
Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Component Location Index
Engine Room
[Theta 2.4 GDI]
1. Receiver-drier2. Condenser3. Service Port (High Pressure)4. Service Port (Low Pressure)5. A/C Pressure Transducer (APT)6. Compressor7. Suction & Liquid Tube Assembly8. Expansion Valve9. Ambient temperature Sensor
[Gamma 1.6 T-GD ...