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: Power Windows

Components and components location Component Location 1. Driver power window switch 2. Assist power window switch 3. Rear power window switch 4. Front window motor 5. Rear window motor Description and operation Safety Function of Power Window When driver door power win

Kia Rio 2017-2023 YB Service Manual: PTC Heater

Description and operation Description The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of heater core. The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective diesel engine.

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