This indicator light illuminates for up to 30 seconds:
When the vehicle detects the smart key in the vehicle properly while the ignition switch or the Engine Start/ Stop button is ACC or ON.
- At this time, you can start the engine.
- The indicator light goes off after starting the engine.
This indicator light blinks for a few seconds:
When the smart key is not in the vehicle.
- At this time, you can not start the engine.
This indicator light illuminates for 2 seconds and goes off:
When the vehicle can not detect the smart key which is in the vehicle while the ignition switch or the Engine Start/Stop button is ON.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.
This indicator light blinks:
Hyundai Sonata LF 2014-2019 Service Manual: Front Door Window Glass Components and Components Location
Component Location
1. Front door window glass
...
Hyundai Sonata LF 2014-2019 Service Manual: Mode Control Actuator Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the mode control actuator connector.
3.
Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 4.
Verify that the mode control actuator operates to the vent mod ...