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: Rear Combination Lamp Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the outside rear combination lamp assembly (B) after disconnecting the connector (A).
3.
Remove the bulb (A) after turning it in the counter clock-wise direction.
[LED Type]
[Bulb Type]
4.
Disconnect the inside rear ...
Hyundai Elantra AD (2016-2020) Owners Manual: Good Driving Practices
Never move the shift lever from P (Park) or N (Neutral) to any other position
with the accelerator pedal depressed.
Never move the shift lever into P (Park) when the vehicle is in motion.
Be sure the vehicle is completely stopped before you attempt to shift into R
(Reverse) or D (Drive ...