
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) Owners Manual: Wheel Alignment and Tire Balance
The wheels on your vehicle were aligned and balanced carefully at the factory
to give you the longest tire life and best overall performance.
In most cases, you will not need to have your wheels aligned again. However,
if you notice unusual tire wear or your vehicle pulling one way or the other ...
Hyundai Elantra AD (2016-2020) Service Manual: Intake Manifold Components and Components Location
Components
1. Intake manifold assembly 2. Intake manifold gasket3. Electronic throttle body4. Intake manifold stay5. Variable intake solenoid (VIS) actuator6. VCM motor
...