Hyundai Sonata: Indicator Lights / High Beam Indicator Light

This indicator light illuminates:

Turn Signal Indicator Light
This indicator light blinks: When you turn the turn signal light on. If any of the following occurs, there may be a malfunction with the turn signal system. In this case, have your vehicle inspected ...

Smart High Beam indicator
This warning light illuminates : When the high-Beam is on with the light switch in the AUTO light position. If your vehicle detects oncoming or preceding vehicles, the Smart High Beam system wil ...

Other information:

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 ...

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