Kia Optima DL3: Manual climate control system / Climate control air filter

The climate control air filter installed behind the glove box filters the dust or other pollutants that come into the vehicle from the outside through the heating and air conditioning system. If dust or other pollutants accumulate in the filter over a period of time, the air flow from the air vents may decrease, resulting in moisture accumulation on the inside of the windshield even when the outside (fresh) air position is selected. If this happens, we recommend that the climate control air filter be replaced by an authorized Kia dealer.

✽ NOTICE

  • Replace the filter according to the Maintenance Schedule. If the vehicle is being driven in severe conditions such as dusty or rough roads, more frequent climate control air filter inspections and changes are required.
  • When the air flow rate suddenly decreases, we recommend that the system should be inspected by an authorized Kia dealer.

    Ventilation 1.Set the mode to the position. 2.Set the air intake control to the outside (fresh) air position. 3.Set the temperature control to the desired position.

    When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a negative influence on the air conditioning system.

    Other information:

    Kia Optima DL3 2019-2026 Service and Repair Manual: Evaporator Temperature Sensor

    Description and operation Description The evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. The evaporator temperature sensor has the Negative Temperature Coefficient (NTC).

    Kia Optima DL3 2019-2026 Service and Repair Manual: Blower Resistor

    Repair procedures Inspection 1. Measure the resistance between the terminals. 2. measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor) (1) Pin No 1.

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