1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your VLAND Full LED Headlight Set. Please read this manual thoroughly before installation and use to ensure proper function and safety. This product is designed for specific Lexus IS series models from 2006 to 2012 and features high-brightness LED lighting with a flowing turn signal function.
2. Product Features
- Compatible Models: Designed for Lexus IS250, IS350, IS200D, ISC, and IS-F (GSE20, USE20) models manufactured between 2006 and 2012. This set is for right-hand drive vehicles.
- Advanced LED Lighting: Integrates Daytime Running Lights (DRL), flowing turn signals, low beam, and high beam functions. All lighting elements utilize high-brightness LEDs for optimal visibility and performance.
- Flowing Turn Signals: Features dynamic, sequential turn signals that provide enhanced visibility and a modern aesthetic, improving safety during turns compared to traditional blinking indicators.
- Durable Construction: Manufactured using high-quality materials including PC, ABS, PMMA, and acrylic glass. These materials ensure excellent waterproof, dustproof, and corrosion-resistant properties, allowing reliable operation in various weather conditions.
- Plug-and-Play Installation: Engineered for direct replacement of original equipment headlights, requiring no additional modifications or drilling.
- High Efficiency & Longevity: Each headlight operates at 50W and boasts an approximate lifespan of 50,000 hours.
3. Setup and Installation
Installation of these headlights is designed to be plug-and-play, directly replacing your vehicle's original headlights. However, due to the complexity of automotive electrical systems and the importance of correct alignment for safety, professional installation is highly recommended.
3.1 Pre-Installation Check
- Verify that the headlight set is compatible with your vehicle's make, model, and year (Lexus IS250/IS350/ISC/ISF, 2006-2012).
- Inspect both headlights for any signs of damage during shipping.
- Ensure all necessary wiring harnesses and connectors are present.
3.2 Installation Steps (General Guide)
- Disconnect Battery: For safety, disconnect the negative terminal of your vehicle's battery before beginning any electrical work.
- Remove Old Headlights: Carefully remove the existing headlights. This typically involves unscrewing mounting bolts and disconnecting electrical connectors.
- Connect New Headlights: Connect the wiring harnesses of the new VLAND headlights to the vehicle's existing connectors. Ensure all connections are secure.
- Mount New Headlights: Secure the new headlights in place using the original mounting points and hardware.
- Reconnect Battery: Reconnect the negative terminal of the battery.
- Test Functions: Turn on your vehicle and test all headlight functions: DRL, low beam, high beam, and turn signals.
- Adjust Beam Alignment: Proper headlight alignment is crucial for safe driving and to avoid dazzling oncoming traffic. Adjust the light axis using the adjustment screws located on the back of the headlight unit.

Image: Comparison of a Lexus IS before and after installing the VLAND LED headlights, showing the updated appearance.

Image: Rear view of the headlight unit, illustrating the main plug, ACC plug, and adjustment points for horizontal and vertical light axis alignment.
Important Note for Vehicle Inspection: Some regions may have specific regulations regarding Daytime Running Lights (DRL) and their operation during vehicle inspections. If the DRLs remain constantly on with the key in the 'ON' position, it might not pass inspection. In such cases, it may be necessary to modify the DRL power source, for example, by connecting it to a circuit that is only active when the main headlights are on, or by using a fuse from the tail light circuit, as suggested by some users. Consult with a professional or local regulations for compliance.
4. Operating Instructions
The VLAND Full LED Headlight Set integrates multiple lighting functions that operate in conjunction with your vehicle's existing controls.
4.1 Light Functions
- Daytime Running Lights (DRL): These lights illuminate automatically when the vehicle is started, enhancing daytime visibility.
- Low Beam: Activated via your vehicle's headlight switch for standard nighttime driving.
- High Beam: Activated via your vehicle's high beam switch for maximum illumination when needed.
- Turn Signals: The integrated flowing LED turn signals activate when your vehicle's turn signal lever is engaged, indicating your intended direction.

Image: Visual representation of the headlight in different operational modes: Daytime Running Light, Low Beam, High Beam, and Flowing Turn Signal.

Image: Detailed view of the flowing turn signal in action, demonstrating the sequential illumination pattern.

Image: A Lexus IS with the VLAND LED headlights fully illuminated, demonstrating their brightness and beam pattern.
5. Maintenance
To ensure the longevity and optimal performance of your VLAND LED Headlight Set, follow these simple maintenance guidelines:
- Regular Cleaning: Clean the headlight lenses regularly with a soft cloth and mild automotive soap or glass cleaner. Avoid abrasive cleaners or harsh chemicals that could damage the lens material.
- Inspect for Damage: Periodically check the headlight units for any cracks, moisture intrusion, or loose connections. Address any issues promptly.
- Wiring Inspection: Ensure all wiring connections remain secure and free from corrosion.
- Avoid High-Pressure Washing: While the headlights are waterproof, avoid directing high-pressure water jets directly at the seams or electrical connections for extended periods.

Image: A Lexus IS driving in rainy conditions, demonstrating the waterproof and dustproof capabilities of the installed VLAND headlights.
6. Troubleshooting
If you encounter issues with your VLAND LED Headlight Set, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Headlights not illuminating | Loose electrical connection, blown fuse, faulty wiring. | Check all wiring connections. Inspect vehicle's fuse box for blown headlight fuses and replace if necessary. If problem persists, consult a professional. |
| One headlight not working | Loose connection to that specific unit, internal fault. | Check connections to the non-working headlight. If connections are secure, the unit may be faulty; contact support for warranty claim. |
| Turn signals not flowing correctly or not working | Incorrect wiring, faulty turn signal module (if applicable), internal fault. | Verify turn signal wiring. Ensure proper connection to the vehicle's turn signal circuit. If issue persists, contact support. |
| Moisture inside headlight lens | Condensation due to temperature changes, seal compromise. | Minor condensation often dissipates. If excessive or persistent, check for proper sealing and ensure vent caps are clear. If seals are compromised, contact support. |
| DRLs remain on with key in 'ON' position (potential vehicle inspection issue) | Standard DRL operation, but may not meet specific local inspection requirements. | Consult local vehicle inspection regulations. Professional modification of the DRL power source (e.g., connecting to a circuit that activates only with main headlights or a tail light fuse) may be required to meet specific standards. |
For issues not listed here or if troubleshooting steps do not resolve the problem, please contact VLAND customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | YUANZHENG (VLAND) |
| Model Number | YAA-IS-0303 |
| Compatible Vehicle Type | Lexus IS250, IS350, ISC, ISF (GSE20, USE20) |
| Applicable Years | 2006-2012 |
| Light Source Type | LED (Daytime Running Lights, Turn Signals, Low Beam, High Beam) |
| Wattage | 50 W per unit |
| Installation Position | Front |
| Lens Color | Clear / Transparent |
| Lens Material | Acrylic |
| Housing Materials | PC, ABS |
| Lifespan | Approximately 50,000 hours |
| Items Included | 2 Headlight Units (Left & Right) |
8. Warranty and Support
8.1 One-Year Quality Guarantee
VLAND offers a one-year quality guarantee from the date of purchase for this product. If the product is found to be defective due to manufacturing faults within this period, an exchange or refund may be possible. This warranty does not cover damage caused by improper installation, misuse, accidents, or normal wear and tear.
8.2 Customer Support
If you have any questions, concerns, or require assistance with your VLAND Full LED Headlight Set, please do not hesitate to contact our customer support team. Provide your purchase details and a clear description of the issue to facilitate a quick resolution.
For warranty claims, please be prepared to provide proof of purchase and details of the defect.



