Turn the knob to the right to increase the fan speed and airflow. Turn the knob to the left to decrease fan speed and airflow.
Setting the fan speed control knob to the “0” position turns off the fan.
NOTICE
Operating the fan speed when the ignition switch is in the ON position could cause the battery to discharge. Operate the fan speed when the engine is running.
Hyundai Kona (OS) 2018-2024 Service Manual: Relay Box (Engine Compartment) Repair procedures
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Pull out the relay from the engine compartment relay block.
Power Relay (Type A)
Check for continuity between the terminals.
...
Hyundai Kona (OS) 2018-2024 Service Manual: Rain Sensor Description and operation
Description
Integrated Rain Sensor
Integrated rain sensor (A) controls three systems: front wiper, auto-light,
and central air conditioner.
1.
Wiper Control System
When "AUTO" switch signal is received from the multi-funct ...