The Automatic Climate Control System is controlled by setting the desired temperature.
1. Press the AUTO button.
The modes, fan speeds, air intake and air-conditioning will be controlled automatically by the temperature setting you select.
2. Turn the temperature control knob to the desired temperature. If the temperature is set to the lowest setting (Lo), the air conditioning system will operate continuously.
To turn the automatic operation off, select any button of the following:
- Mode selection button
- Front windshield defroster button (Press the button one more time to deselect
the front windshield defroster function. The 'AUTO' sign will illuminate on the
information display once again.)
- Fan speed control knob
The selected function will be controlled manually while other functions operate automatically.
For your convenience and to improve the effectiveness of the climate control, use the AUTO button and set the temperature to 73°F (23°C).
To change the temperature unit from °F to °C or °C to °F:
Press the AUTO button for 3 seconds while pressing the OFF button.
NOTICE
Never place anything near the sensor to ensure better control of the heating and cooling system.
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: Oil Pan Components and Components Location
Components
1. Oil screen gasket2. Oil screen3. Oil pan
...