Hyundai Elantra: Manual Heating and Air Conditioning / Mode selection
The mode selection button controls the direction of the air flow through the ventilation system.
The air flow outlet direction is cycled as follows:
Face-Level (B, D)
Air flow is directed toward the upper body and face. Additionally, each outlet can be controlled to direct the air discharged from the outlet.
Bi-Level (B, C, D, E)
Air flow is directed towards the face and the floor.
Floor-Level (A, C, D, E)
Most of the air flow is directed to the floor, with a small amount of the air being directed to the windshield and side window defrosters.
Floor & Defrost (A, C, D, E)
Most of the air flow is directed to the floor and the windshield with a small amount directed to the side window defrosters.
Defrost-Level (A, D)
Most of the air flow is directed to the windshield with a small amount of air directed to the side window defrosters.
Manual Heating and Air Conditioning
The heating and cooling system can be controlled manually by pushing buttons
other than the AUTO button. In this case, the system works sequentially according
to the order of buttons selected.
Wh ...
Instrument panel vents
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
instrumen ...
Other information:
Hyundai Elantra AD (2016-2020) Owners Manual: Detecting sensor
The rear radars are located inside the rear bumper for detecting the side and
rear areas. Always keep the rear bumper clean for proper operation of the system.
NOTICE
The system may not work properly when the bumper has been damaged, or
if the rear bumper has been replaced or repaired.
...
Hyundai Elantra AD (2016-2020) Service Manual: Speaker Repair procedures
Inspection
1.
Troubleshooting for Speaker
(1)
Basic inspection of speaker
Inspect the sound from speaker after verifying that the
speaker mounting screws is removed and the wiring connector is connected
precisely to remove vibration transmitted from body trims and
surrounding parts.
...
