1. Product Overview
The Kia 93575-2T000 Door Window Switch is a genuine replacement part designed for the driver's side door of 2011-2013 Kia Optima vehicles. This component controls the operation of the power windows and may include door lock/unlock functions, depending on the specific vehicle configuration. It ensures proper functionality of your vehicle's window system.

Figure 1: Front view of the Kia 93575-2T000 Door Window Switch, showing the window control buttons and door lock/unlock buttons.
2. Safety Information
Always prioritize safety when working on your vehicle. Disconnect the vehicle's battery before beginning any electrical work to prevent electrical shock or damage to components. If you are unsure about any step, consult a qualified automotive technician.
- Ensure the vehicle is turned off and the parking brake is engaged.
- Wear appropriate personal protective equipment, such as gloves and eye protection.
- Avoid contact with sharp edges or electrical terminals.
- Do not force the switch into place; ensure proper alignment.
3. Package Contents
- 1 x Kia 93575-2T000 Door Window Switch
4. Specifications
| Feature | Detail |
|---|---|
| Model Number | 93575-2T000 |
| Brand | Kia |
| Operation Mode | Manual |
| Contact Type | Normally Closed |
| Connector Type | Plug In |
| Terminal | Through Hole |
| Circuit Type | 1-way |
| Actuator Type | Push Button |
| Contact Material | Copper |
| Number of Positions | 1 |
| Control Method | Touch |
| Control Type | Window Operation |
| Item Weight | 4.1 ounces |
| Package Dimensions | 5.94 x 4.49 x 2.2 inches |
| UPC | 689124881315 |
5. Installation
This section provides general guidance for replacing a door window switch. Specific procedures may vary by vehicle model and year. It is recommended to consult your vehicle's service manual or a professional technician for detailed instructions.
- Prepare the Vehicle: Ensure the vehicle is parked on a level surface, the engine is off, and the parking brake is engaged. Disconnect the negative terminal of the vehicle's battery to prevent electrical issues.
- Remove Door Panel: Carefully remove the interior door panel to access the existing window switch assembly. This typically involves removing screws, clips, and disconnecting wiring harnesses.
- Disconnect Old Switch: Locate the existing window switch. Disconnect any electrical connectors attached to it. Release any clips or fasteners holding the switch in place.
- Install New Switch: Connect the electrical harness(es) to the new Kia 93575-2T000 Door Window Switch. Ensure all connections are secure.
- Test Functionality: Before reassembling the door panel, reconnect the vehicle's battery. Turn on the ignition and test all functions of the new switch (all windows up/down, door lock/unlock, window lock). If any function does not work correctly, recheck the connections.
- Reassemble Door Panel: Once confirmed working, carefully reattach the door panel, ensuring all clips and screws are properly secured. Reconnect the battery if it was disconnected for testing.
Note: Improper installation can lead to electrical malfunctions or damage. If you are not confident in performing this installation, seek professional assistance.
6. Operation
The Kia 93575-2T000 Door Window Switch provides intuitive control over your vehicle's windows and door locks.
- Window Control: To open a window, gently press down on the corresponding switch button. To close a window, pull up on the switch button. Some switches may feature an "auto" function for one-touch operation to fully open or close the window.
- Door Lock/Unlock: Use the dedicated lock and unlock buttons to secure or open the vehicle's doors.
- Window Lock: The window lock button, typically found on the driver's side switch, disables the passenger window controls to prevent accidental operation.
7. Maintenance
To ensure the longevity and proper function of your door window switch, follow these simple maintenance guidelines:
- Cleaning: Periodically wipe the surface of the switch with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals or abrasive cleaners, which can damage the plastic or markings.
- Avoid Liquid Exposure: Prevent liquids from spilling onto or entering the switch assembly, as this can cause electrical shorts or corrosion.
- Gentle Operation: Operate the buttons gently. Excessive force is unnecessary and can lead to premature wear or damage.
8. Troubleshooting
If you experience issues with your door window switch, consider the following common troubleshooting steps:
- Window Not Responding:
- Check if the window lock button is engaged.
- Verify that the vehicle's battery is fully charged and properly connected.
- Inspect the fuse for the power windows in your vehicle's fuse box. Refer to your vehicle's owner's manual for fuse locations.
- Ensure the wiring harness connected to the switch is secure and free from damage.
- Intermittent Operation:
- This could indicate a loose connection or internal wear. Recheck connections.
- Door Locks Not Working:
- Check the fuse related to the central locking system.
- Ensure the switch's lock/unlock buttons are clean and free of obstructions.
If these steps do not resolve the issue, it may indicate a fault with the switch itself, the window motor, or other electrical components. Professional diagnosis is recommended.
9. Warranty and Support
This genuine Kia part is covered by the manufacturer's standard warranty. For specific warranty terms, claims, or technical support, please refer to your purchase documentation or contact an authorized Kia service center or parts dealer. Keep your proof of purchase for warranty purposes.





