1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your JINYISI 4pcs Car LED Bulbs. These bulbs are designed to replace standard interior dome, reading, and trunk lights in compatible Subaru models, offering enhanced brightness and energy efficiency.
2. Package Contents
Please verify that all items listed below are included in your package:
- 4 x JINYISI Car LED Bulbs (Lce Blue)
- Instruction Manual (this document)

Image 2.1: The package includes four LED bulbs of various types, suitable for different interior light applications. These bulbs feature multiple LED chips for bright illumination.
3. Vehicle Compatibility
These LED bulbs are specifically designed for the following Subaru models and years:
- Subaru XV (2013-2018)
- Subaru Forester SJ (2013-2018)
The bulbs are intended for interior dome, reading, and trunk lights. Please ensure your vehicle's existing bulbs match the T10 (W5W/194) interface type for proper fitment.

Image 3.1: This image illustrates the application of LED interior lights in a Subaru vehicle, showing both blue and pink color options. The JINYISI bulbs provide a similar aesthetic and functional upgrade.
4. Product Specifications
| Feature | Detail |
|---|---|
| Item Type | Reading Lights (also suitable for Dome, Trunk) |
| Lumens | 2400Lm |
| Interface Type | T10 (W5W/194) |
| Voltage | 12V |
| Quantity | 4 pieces |
| Color | Lce Blue |
| Special Feature | Error-free design with built-in load resistors |

Image 4.1: This image displays the different color options available for these LED bulbs, including White, Lce Blue (the current product color), and Pink, demonstrating the visual effect of each.

Image 4.2: A detailed view of one of the JINYISI LED bulbs, showcasing its construction and multiple LED elements.
5. Safety Information
- Always turn off the vehicle's ignition and disconnect the battery before attempting any electrical work to prevent electrical shock or damage.
- Allow existing bulbs to cool down completely before removal, as they can be very hot.
- Handle LED bulbs by their base to avoid touching the LED chips directly, which can transfer oils and reduce lifespan.
- If you are unsure about any installation step, consult a qualified automotive technician.
6. Setup and Installation
Follow these steps to install your new JINYISI LED bulbs:
- Preparation: Ensure your vehicle's ignition is off and the interior lights are switched off. If possible, disconnect the car battery for added safety.
- Locate the Bulb: Identify the dome, reading, or trunk light fixture you wish to upgrade. Refer to your vehicle's owner's manual for specific locations and access instructions.
- Remove Cover: Carefully pry open the plastic cover of the light fixture using a plastic trim removal tool or a small flat-head screwdriver wrapped in tape to prevent scratching.
- Remove Old Bulb: Gently pull out the existing incandescent bulb. Be cautious as the old bulb may be hot.
- Install LED Bulb: Insert the new JINYISI LED bulb into the socket. The interface type is T10 (W5W/194).
- Test Functionality: Before reattaching the cover, turn on your vehicle's ignition and switch on the interior lights to test the new LED bulb.
- If the LED bulb does not light up, remove it, rotate it 180 degrees, and reinsert it. LED bulbs are polarity sensitive.
- If the bulb is slightly loose in the socket (common for festoon types), gently move the metal pin clips closer together to ensure a tighter connection.
- Reattach Cover: Once confirmed working, carefully snap the light fixture cover back into place.

Image 6.1: This image demonstrates the significant difference in illumination between standard incandescent bulbs (top, "Before") and JINYISI LED bulbs (bottom, "After") in a car's interior. The LED bulbs provide a brighter, clearer light.

Image 6.2: The trunk of a car illuminated by a JINYISI LED bulb, showcasing its effectiveness in providing ample light for cargo areas.
7. Operation
The JINYISI LED bulbs operate identically to your vehicle's original interior lights. They will activate and deactivate according to your car's interior lighting controls (e.g., when doors open, with the dome light switch, or when the ignition is on/off).

Image 7.1: A person reading comfortably in the back seat of a car, demonstrating the improved visibility and ambiance provided by the JINYISI LED interior lights.
8. Maintenance
JINYISI LED bulbs are designed for long-term, maintenance-free operation. No specific maintenance is required. If the light output appears diminished or the bulb flickers, ensure the electrical connection is secure. Clean the light fixture cover periodically with a soft, damp cloth to maintain optimal light transmission.
9. Troubleshooting
- Bulb does not light up:
- Ensure the vehicle's ignition is on and the light switch is in the "on" position.
- LED bulbs are polarity sensitive. Remove the bulb, rotate it 180 degrees, and reinsert it.
- Check the electrical connection in the socket. For festoon bulbs, gently squeeze the metal clips closer together to ensure a firm contact.
- Verify that the vehicle's fuse for the interior lighting circuit is intact.
- Bulb flickers or is dim:
- Check for a loose connection in the socket.
- Ensure the vehicle's voltage is stable (12V).
- "Bulb Out" warning on dashboard:
- These bulbs feature an error-free design with built-in load resistors to prevent dashboard warnings in most compatible vehicles. If a warning still appears, consult a professional automotive technician.
10. Warranty and Support
For any questions, concerns, or technical assistance regarding your JINYISI LED bulbs, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific warranty details and contact information.