Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Marsauto M1S 9006 HB4 LED Bulbs. Please read this manual thoroughly before installation to ensure proper function and safety. These LED bulbs are designed to provide superior illumination for your vehicle's fog lights, enhancing visibility and driving safety.

Image: Marsauto M1S Series LED Bulbs, highlighting 30000 lumens of brightness.
Package Contents
Verify that all items are present in the package:
- 2 x 9006 LED Bulbs
- 1 x Instruction Manual
- 1 x Installation Gloves

Image: Contents of the Marsauto M1S LED lighting package, including two LED bulbs, an instruction manual, and installation gloves.
Features
- High Brightness: Equipped with 7035 CSP Chips, providing 30000 lumens for 800% higher efficient lighting output. This helps in clearly seeing road markings, obstacles, and other vehicles.
- 1:1 Mini Design: Features a real 1:1 bulb design, ensuring a perfect fit into the original bulb housing and factory plug without extra cables or hanging parts.
- Wide Compatibility: Built-in smart IC driver and wattage close to original bulbs ensure compatibility with 99% of vehicles, reducing the risk of error messages, radio static, or flickering.
- Extended Lifespan: High-efficiency cooling system contributes to a lifespan of 60,000+ hours, minimizing the need for frequent replacements.
- 360° Adjustable Ring: An adjustable snap ring allows for setting the suitable light angle according to different vehicle types and driving habits.
- IP68 Waterproof: Designed with IP68 waterproof rating for reliable performance in various weather conditions.

Image: Nighttime comparison showing the significantly brighter output of Marsauto M1S LED bulbs versus standard stock bulbs.

Image: Marsauto M1S LED bulbs demonstrating IP68 waterproof capability in various weather conditions.

Image: Visual comparison highlighting the 1:1 size of Marsauto M1S LED bulbs for easy replacement of halogen bulbs.

Image: Diagram illustrating the advanced chip design of Marsauto M1S LED bulbs for broad vehicle compatibility and error-free operation.
Safety Information
- Always wear protective gloves during installation to avoid touching the bulb surface directly.
- Ensure the vehicle's engine is off and the battery is disconnected before beginning installation.
- Do not look directly into the LED light when it is illuminated, as it can cause eye damage.
- Keep out of reach of children.
- Consult a professional mechanic if you are unsure about any installation steps.
Installation Guide
The Marsauto M1S 9006 HB4 LED Bulbs are designed for a quick and easy 3-minute plug-and-play installation. Follow these general steps:
- Access the Bulb Housing: Depending on your vehicle model, you may need to remove some components (e.g., fender liner, air intake) to access the fog light bulb housing.
- Disconnect the Old Bulb: Twist the old halogen bulb counter-clockwise to unlock it from the housing. Disconnect the electrical connector.
- Install the LED Bulb: Connect the Marsauto M1S LED bulb to the vehicle's electrical connector. Insert the LED bulb into the housing and twist clockwise to lock it securely.
- Test Functionality: Reconnect the battery (if disconnected) and test the lights to ensure they function correctly.
- Adjust Beam (if necessary): Use the 360° adjustable ring to fine-tune the beam pattern for optimal light distribution without glare.
- Reassemble: Reinstall any components removed during step 1.

Image: Step-by-step visual guide for the 3-minute plug-and-play installation of Marsauto M1S LED bulbs.
Installation Video Demonstration
Video: This video demonstrates the installation process for Marsauto M1S LED bulbs, showing how to remove the old bulb and install the new LED bulb.
Operating Instructions
The Marsauto M1S 9006 HB4 LED Bulbs operate like standard vehicle lighting. Once installed, they will activate and deactivate with your vehicle's fog light controls. No special operating procedures are required.
Maintenance
- Cleaning: Periodically clean the surface of the LED bulbs and your vehicle's fog light lenses with a soft, damp cloth to ensure maximum light output. Avoid abrasive cleaners.
- Inspection: Regularly check the bulbs and their connections for any signs of damage or loose wiring.
- Replacement: Due to their long lifespan, frequent replacement is not expected. Replace bulbs only if they cease to function.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulbs not turning on | Loose connection, incorrect polarity, blown fuse, incompatible vehicle system. | Check connections, ensure correct polarity, inspect vehicle fuses, consider a CANbus decoder if your vehicle requires it. |
| Flickering or intermittent operation | CANbus system incompatibility, voltage fluctuations. | Install a CANbus decoder/resistor (sold separately if needed), ensure stable power supply. |
| Dashboard error message | CANbus system detecting incorrect wattage/resistance. | Install a CANbus decoder/resistor to resolve the error. |
| Radio static or interference | Electromagnetic interference from LED drivers. | Ensure proper grounding, check for loose wiring, or consider anti-interference filters if the issue persists. |
Specifications
| Feature | Detail |
|---|---|
| Model | M1S Fog Bulbs |
| Bulb Type | 9006 / HB4 |
| Light Source Type | LED |
| Brightness | 30000 Lumens (per pair) |
| Color Temperature | 6000 Kelvin (Cool White) |
| Operating Life | 60000 Hours |
| Voltage | 12 Volts |
| Waterproof Rating | IP68 |
| Automotive Fit Type | Universal Fit |
| Item Weight | 5.3 ounces |
| Package Dimensions | 4.33 x 4.25 x 2.44 inches |
Warranty and Support
Marsauto M1S 9006 HB4 LED Bulbs come with a manufacturer's warranty. For specific warranty details, returns, or technical support, please refer to the documentation included with your product or contact Marsauto customer service directly. Ensure you retain your proof of purchase for warranty claims.
Product Overview Video
Video: This video showcases the key features and performance of the Marsauto M1S Series LED bulbs, including their brightness and beam pattern.





