This indicator light illuminates:
Hyundai Sonata LF 2014-2019 Service Manual: Knock Sensor (KS) Repair procedures
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the intake manifold (Refer to “Intake And Exhaust System” in EM group).
3.
Disconnect the injector connector (A).
4.
Remove the installation bolt (B), and then remove the sensor from ...
Hyundai Sonata LF 2014-2019 Owners Manual: Light Bulbs
Consult an authorized HYUNDAI dealer to replace most vehicle light bulbs. It
is difficult to replace vehicle light bulbs because other parts of the vehicle must
be removed before you can get to the bulb. This is especially true for removing
the headlamp assembly to get to the bulb(s).
Removing/in ...