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: Lane Departure Warning System (LDWS) Unit

Components and components location Components Repair procedures Removal    When replacing the LDWS switch, check that the symbol mark in the cluster operates normally by pressing the ON/OFF switch.

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

Repair procedures Inspection 1. In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (KDS/GDS). The diagnostic system (KDS/GDS) provides the following information. (1) Self diagnosis : Checking failure and code number (DTC)

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