Service and Repair manual for Fifth generation (DL3) of the mid-size sedan Kia Optima. Kia's best-selling midsize sedan was unveiled with new design cues inside and out, expanded ADAS technology, a new UVO infotainment strategy and available European-inspired red and black two-tone sport leather-trimmed seats. Additional available enhancements to the Optima line include new alloy wheel choices, ambient LED interior lighting, and a new Passion Red exterior color.

■ Gasoline engine (THETA 2.4L GDI) The engine number is stamped on the engine block as shown in the drawing.
Repair procedures Removal When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. 1.
Schematic diagrams Connector and Terminal Function Pin Function Connector A Connector B 1 Driver heater ground (-) Driver blower speed (+) 2 Passenger heater ground (-) - 3