How to solve the problem of Kia K2 air conditioning not cooling?

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Here are the solutions for Kia K2 air conditioning not cooling: 1. Method one: If the refrigerant was just added and there's too much, although it may not be very cool, there should still be some cool air. Therefore, it's unlikely that excessive refrigerant is causing the lack of cooling. 2. Method two: Expansion valve damage may cause the air conditioning's cold/hot air flap to be out of sync with the control panel on the dashboard. When set to cold air on the panel, the actual air conditioning mechanism may not fully open. First check the hooks and cables under the control panel (this won't affect the refrigerant). If the issue isn't with the air conditioning control panel, then consider replacing the expansion valve.