Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2015 Kia Optima SXFACTORY OEM SERVICE PROCEDURE

Power Window Main Switch Inspection

Disconnect the negative (-) battery terminal.
Remove the front door trim panel.
Proceed to FRONT DOOR .
Disconnect the connector from the switch.

Fig 1: Power Window Main Switch Connector End View
Courtesy of KIA MOTORS AMERICA, INC.
Check for continuity between the terminals in each switch position according to the table. If the continuity condition is not normal, replace the switch.

Fig 2: Power Window Main Switch Terminal Continuity Chart
Courtesy of KIA MOTORS AMERICA, INC.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.

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