Kia Optima: Body Electrical System / Seat Electrical

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). The diagnostic system ( ...

Heated Seats Only

Components and components location Components Front Seat Heater 1. Front seat back heater 2. Front seat cushion heater 3. Front seat heater unit / v ...

Other information:

Kia Optima DL3 2019-2023 Service and Repair Manual: Heater Core

Repair procedures Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly. (Refer to Heater - "Heater Unit") 3. Loosen the mounting screws and remove the heater cor ...

Kia Optima DL3 2019-2023 Service and Repair Manual: Alternator

Description and operation Description The Alternator has eight built-in diodes, each rectifying AC current to DC current. Therefore, DC current appears at alternator "B" terminal. In addition, the charging voltage of this alternator is regulated by the battery voltage ...