1. Introduction
Thank you for choosing HVIERO T10 W5W 10SMD Car LED Bulbs. These high-quality LED bulbs are designed to replace traditional halogen bulbs in various automotive applications, including turn signals, reverse lights, dome lights, door lights, reading lamps, and front side clearance lights. They offer superior brightness, energy efficiency, and a longer lifespan compared to standard bulbs.

Image 1.1: HVIERO T10 W5W 10SMD Car LED Bulbs and their application in a vehicle.
2. Safety Information
- Always ensure your vehicle's ignition is off and the engine is cool before attempting any bulb replacement.
- Wear protective gloves to avoid touching the LED chips directly, as oils from your skin can affect performance and lifespan.
- Handle the bulbs with care; LEDs are electronic components and can be damaged by excessive force or dropping.
- If the bulb does not light up after installation, remove it, flip it 180 degrees, and reinsert it. LEDs are polarity sensitive.
- If you are unsure about the installation process, it is recommended to seek professional assistance.
3. Package Contents
Your package contains:
- HVIERO T10 W5W 10SMD Car LED Bulbs (quantity as purchased: 1, 2, 4, 10, or 20 pieces)
4. Specifications
| Feature | Specification |
|---|---|
| Model Name | T10 7020 10SMD |
| Interface Type | T10 (W5W/194) |
| Lighting Chips | 7020 SMD LED |
| Color | White |
| Lumens | 500LM |
| Lifespan | 50,000 hours |
| Size | 10mm x 30mm (0.39in x 1.18in) |
| Wattage | 2W |
| Voltage | 12V DC |
| Light Source | 10 LED beads |
| Material | PCB, High-quality aluminum |
| Lighting Angle | 360 degrees |
| Waterproof Rating | IP65 |
| Item Weight | 10g |
| OEM Number | 11B949101 |

Image 4.1: Detailed dimensions and lamp bead configuration of the T10 LED bulb.

Image 4.2: Internal components of the LED bulb, highlighting the fiberglass circuit board, 7020 LED chips, and aluminum heat dissipation material.
5. Setup and Installation
Follow these steps to install your HVIERO T10 W5W 10SMD LED bulbs:
- Prepare Your Vehicle: Ensure your vehicle's ignition is off and the area around the bulb you are replacing is cool to the touch.
- Access the Bulb: Locate the housing for the bulb you wish to replace (e.g., dome light, license plate light, side marker). Carefully remove any covers or access panels as required by your vehicle's design. You may need a small pry tool for plastic covers.
- Remove Old Bulb: Gently pull out the existing halogen bulb from its socket.
- Insert New LED Bulb: Carefully insert the new T10 LED bulb into the socket. Ensure it is seated firmly.
- Test the Light: Turn on your vehicle's ignition or the specific light switch to test the new LED bulb.
- Check Polarity (if needed): If the LED bulb does not light up, remove it, flip it 180 degrees, and reinsert it. LEDs are polarity sensitive and will only work when inserted in the correct orientation.
- Secure Components: Once the LED bulb is working correctly, replace any covers or access panels you removed.
Installation Demonstration Video
Video 5.1: A demonstration of the T10 LED bulb's features and installation process, including a dome light replacement.

Image 5.2: Example of an HVIERO LED bulb installed in a car's dome light, providing bright illumination.

Image 5.3: HVIERO LED bulb providing clear and bright light in a car's headlight assembly.
6. Operating Instructions
Once properly installed, your HVIERO T10 W5W 10SMD LED bulbs will operate automatically with your vehicle's existing lighting system. They will turn on and off according to the vehicle's controls (e.g., when doors open, headlights are activated, or turn signals are engaged).

Image 6.1: HVIERO LED bulbs provide reliable illumination in diverse environmental conditions.

Image 6.2: Visual comparison demonstrating the superior brightness and clarity of LED bulbs over halogen bulbs.
7. Maintenance
- LED bulbs are generally maintenance-free. If they become dirty, gently wipe them with a clean, dry, soft cloth.
- Avoid using harsh chemicals or abrasive cleaners, as these can damage the bulb's surface or electronic components.
- Ensure the bulb housing is properly sealed after installation to prevent moisture and dust ingress, which can affect the bulb's lifespan.
8. Troubleshooting
- Bulb Not Lighting Up:
- Check the polarity: Remove the bulb, flip it 180 degrees, and reinsert it.
- Ensure the bulb is fully seated in the socket and the connection is secure.
- Check your vehicle's fuse box for any blown fuses related to the lighting circuit.
- Bulb Flickering:
- Some vehicles with CANBUS systems may require a load resistor to prevent flickering or error messages. This product does not include load resistors.
- Ensure stable voltage supply from the vehicle (12V DC).
- Dim Light Output:
- Verify that the vehicle's electrical system is providing the correct 12V DC voltage.
- Ensure the bulb is clean and free from obstructions.
9. User Tips
- These bulbs emit a cool white light, providing a modern and clear illumination.
- Always double-check the polarity if the bulb doesn't light up on the first try; it's a common solution for LED installations.
- The product is generally well-packaged, ensuring safe delivery.
10. Warranty and Support
For any issues, questions, or support regarding your HVIERO T10 W5W 10SMD Car LED Bulbs, please contact the seller or retailer from whom you purchased the product. Please refer to your purchase documentation for specific warranty terms and contact information.