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: Canister Close Valve (CCV) Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the CCV connector.
3.
Measure resistance between the CCV terminal 1 and 2.
4.
Check that the resistance is within the specification.
Specification : Refer to "Specification"
5.
Disconnect the vapor hose connected with ...
Hyundai Elantra AD (2016-2020) Service Manual: Sunroof Glass Repair procedures
Replacement
•
Put on glove to protect your hands.
1.
Close the sunroof glass completely by pressing the sunroof switch.
2.
Loosen the mounting screws (A) and remove the sunroof glass (B).
•
Do not damage the roof panel.
3.
...