Kia Rio: Windshield defrosting and defogging / Defogging Logic

To reduce the probability of fogging up inside of the windshield, the air intake or air conditioning are controlled automatically according to certain conditions such as or position. Logic can be disabled and enabled by doing following :

To defog inside windshield 1. Select desired fan speed. 2. Select desired temperature. 3. Press the defroster button ( ). 4. The outside (fresh) air position will be selected automatically.

1. Turn the ignition switch to the ON position. 2. Turn the mode selection knob to the defrost position ( ). 3. Select any fan speed except “0” position.

Other information:

Kia Rio 2017-2023 YB Service Manual: Rear Glass Defogger

C

Kia Rio 2017-2023 YB Service Manual: Heater & A/C Control Unit (MANUAL)

Components and components location Components Connector pin function NO. Connector A Connector B 1 Low Battery 2 Common ISG Battery 3 High Illumination (+)

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