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: Repair procedures
Component Replacement After Deployment
Before doing any SRS repairs, use the GDS Pro to check for
DTCs. Refer to the Diagnostic Trouble Code list for repairing of the
related DTCs.
When the front airbag(s) deployed after a collision, replace the following items.
- ...
Hyundai Sonata LF 2014-2019 Service Manual: Valve Clearance Adjustment
Valve Clearance Inspection And Adjustment
Inspect and adjust the valve clearance when the engine is
cold (Engine coolant temperature : 20°C) and cylinder head is installed
on the cylinder block.
1.
Remove the cylinder head cover.
(Refer to Cylinder Head Assembly - ...
