
To turn on the high beam headlamp, push the lever away from you. The lever will return to its original position.
The high beam indicator will light when the headlamp high beams are switched on.
To turn off the high beam headlamp, pull the lever towards you. The low beams will turn on.
WARNING
Do not use high beam when there are other vehicles approaching you. Using high beam could obstruct the other driver's vision.

To flash the high beam headlamp, pull the lever towards you, then release the lever. The high beams will remain ON as long as you hold the lever towards you.
Exterior Lights
High Beam Assist (HBA)Hyundai Elantra AD (2016-2020) Service Manual: Height Adjust Components and Components Location
Component Location
1. Height adjust
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Hyundai Elantra AD (2016-2020) Service Manual: SS-A Solenoid Valve(ON/OFF) Description and Operation
Description
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SS-A solenoid valve is attached to the valve body and is an on/off solenoid valve that is used to change gears.
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SS-A Solenoid valve(ON/OFF) is installed at valve body. ...