Fan speed control

The fan speed can be set to the desired speed by turning the fan speed control knob.
The higher the fan speed is, the more air is delivered.
Pressing the OFF button turns off the fan.
Information
For better sound quality, fan speed may automatically slow down for a couple of minutes when you activate voice recognition or hands free.
Air conditioning

Push the A/C button to manually turn the system on (indicator light will illuminate) and off.
Air intake control
OFF modeHyundai Elantra AD (2016-2020) Service Manual: In-car Sensor Description and Operation
Description
The In-car air temperature sensor is built in the heater & A/C control unit.
The sensor contains a thermistor which measures the
temperature of the inside. The signal decided by the resistance value
which changes in accordance with perceived inside temperature, is
delivered ...
Hyundai Elantra AD (2016-2020) Service Manual: Front Wheel Speed Sensor Repair procedures
Removal
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the front wheel and tire (A) from front hub .
Tightening torque:
107.9 ~ 127.5 N.m (11.0 ~ 13.0 kgf.m, 79.6 ~ 94.0 lb-ft)
•
Be careful not to dam ...