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) Service Manual: PTC Heater Description and Operation
Description
The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of heater core.
The PTC heater is an electric heater using a PTC element as
an auxiliary heating device that supplements deficiency of interior heat
source in highly effective diesel engine ...
Hyundai Elantra AD (2016-2020) Service Manual: Front Impact Sensor (FIS) Repair procedures
Removal
•
Removal of the airbag must be performed according to the precautions/ procedures described previously.
•
Before disconnecting the front impact sensor connector, disconnect the front airbag connector(s).
•
Do not turn the ignition switch ON and ...