Kia Optima: Road WarningHazard Warning Flasher

The hazard warning flasher serves as a warning to other drivers to exercise extreme caution when approaching, overtaking, or passing your vehicle. It should be used whenever emergency repairs are being made, when the vehicle is stopped near the edge of a roadway, or whenever your vehicle is in distress.
Depress the flasher switch to activate at any time. The flasher switch is located in the center console switch panel. All turn signal lights will flash simultaneously.
OverheatingWiper Switch
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Inspection
Remove the overhead console lamp assembly then check for continuity between terminals.
If the continuity is not as specified, replace the map lamp switch.
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Passenger Airbag (PAB) Module. Components and Components Location
Components
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