The temperature will increase by turning the knob to the right. The temperature will decrease by turning the knob to the left.
Hyundai Kona (OS) 2018-2024 Service Manual: Repair procedures
Replacement
[Removal]
•
Put on gloves to prevent hand injuries.
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...
Hyundai Kona (OS) 2018-2024 Owners Manual: System setting and activation
System setting
The Driver Attention Warning (DAW) system is set to be in the OFF position,
when your vehicle is first delivered to you from the factory.
To turn ON the Driver Attention Warning (DAW) system, turn on the engine,
and then select "User Settings Driver Assistance Driver Attention ...