Hyundai Sonata: Indicator Lights / Adaptive Front Lighting System (AFLS) Warning Light
This warning light illuminates:
- Once you set the Engine Start/ Stop Button to the ON position.
- It illuminates for approximately 3 seconds and then goes off. - When there is a malfunction with the AFLS.
If there is a malfunction with the AFLS:
1. Drive carefully to a safe location and stop the vehicle.
2. Turn the engine off and restart the engine. If the indicator light remains on, have your vehicle inspected by an authorized HYUNDAI dealer.
Light ON Indicator Light
This indicator light illuminates:
When the tail lights or headlights are on. ...
Cruise & Cruise SET Indicator Lights
Cruise Indicator Light
This indicator light illuminates:
When the cruise control system is enabled.
Cruise SET Indicator Light
This indicator light illuminates:
When the cruise control speed is set. ...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Crankshaft Position Sensor (CKPS) Description and Operation
Description
Crankshaft Position Sensor (CKPS) detects the crankshaft
position and is one of the most important sensors of the engine control
system. If there is no CKPS signal input, the engine may stop because of
CKPS signal missing.
This sensor is installed in ladder frame and generates ...
Hyundai Sonata LF 2014-2019 Owners Manual: Charging System Warning Light
If this warning light comes on while the engine is running, the battery is not
being charged. Immediately turn off all electrical accessories. Try not to use electrically
operated controls, such as the power windows. Keep the engine running; starting
the engine will quickly discharge the battery ...
