The instrument panel vent air flow can be directed up/down or left/right using the vent adjustment lever.
The air flow can also be closed using the vent adjustment lever. To close the instrument panel vents, slide the vent adjustment lever to the LEFT until it clicks.
Hyundai Elantra AD (2016-2020) Service Manual: Knee Airbag (KAB) Module Components and Components Location
Components
1. Knee Airbag (KAB)
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Hyundai Elantra AD (2016-2020) Owners Manual: Seat Belt Warning Light
Seat belt warning light (for driver's seat)
As a reminder to the driver, the seat belt warning light will illuminate and
warning chime will sound for approximately 6 seconds each time you turn the ignition
switch ON if the seat belt is unfastened.
If you continue not to fasten the seat b ...