1. Introduction
Thank you for choosing the SUITU ST-6659Plus Cordless Car Vacuum Cleaner. This versatile device is designed for efficient cleaning in both automotive and home environments, offering powerful suction, a brushless motor, and convenient Type-C charging. Please read this manual thoroughly before use to ensure proper operation and maintenance.
2. Important Safety Information
- Do NOT vacuum liquids, flammable materials, or sharp objects to prevent damage to the device and potential injury.
- Keep the device away from children and pets.
- Ensure the filter is properly installed before operation.
- Do not operate the vacuum if it is damaged or malfunctioning. Contact support for assistance.
- Use only the provided Type-C charging cable.
- Avoid exposing the device to extreme temperatures outside the operating range (-20°C to 50°C).
3. Package Contents
Verify that all items are present in your package:
- Main Vacuum Unit (Host) x1
- Type-C Charging Cable x1
- HEPA Filter x1 (Additional filters may be included with specific bundles)
- 8 Professional Attachments:
- Crevice Tool (Long flat suction nozzle)
- Brush Head (Round brush)
- Extension Tube
- Flat Nozzle
- Multi-function Suction Nozzle
- Long Round Mouthpiece
- Electrostatic Brush
- Blowing Nozzle


4. Technical Specifications
| Feature | Specification |
|---|---|
| Model Name | ST-6659Plus |
| Suction Power | Up to 39,000 PA |
| Battery Capacity | 6,000 mAh |
| Continuous Runtime | Up to 90 minutes |
| Charging Time | Approximately 3 hours |
| Motor Type | Brushless (25,500 RPM) |
| Noise Level | ≤52dB |
| Weight | 480g |
| Material | Industrial-Grade ABS |
| Operating Temperature | -20°C to 50°C (-4°F to 122°F) |
| Charging Interface | Type-C |
| Certifications | RoHS, FCC, CE |

5. Setup and First Use
- Charge the Device: Before first use, fully charge the vacuum cleaner using the provided Type-C cable. Connect the cable to the vacuum's Type-C port and a compatible USB power source (wall adapter, laptop, or power bank). The power indicator lights will show charging status.

Figure 4: Charging via Type-C interface. - Attach Accessories: Select the appropriate nozzle or brush for your cleaning task. Attach it firmly to the vacuum's suction port.

Figure 5: Attaching accessories. - Power On: Press and hold the power button for 3 seconds to turn on the device. It will default to the low suction mode.
6. Operating Instructions
6.1 Suction Modes
The vacuum cleaner features a brushless motor with three adjustable power gears:
- Normal Mode (Low Grade): Press and hold the power button for 3 seconds to start. Indicated by a green light. Suitable for light dust and surface debris.
- High Suction Mode (Middle Grade): Short press the power button once after starting. Indicated by a yellow light. For more persistent dirt.
- Turbo Suction Mode (High Grade): Short press the power button a second time. Indicated by a red light. Provides maximum power for stubborn particles and deep cleaning.


6.2 Power Off
A short press of the power button will turn off the device from any mode.
6.3 Multi-functional Use
The ST-6659Plus is designed for various applications:
- Strong Vacuuming: Effectively cleans hair residue, dust, and debris from car interiors (seats, air vents, footwells) and home furniture (sofas).

Figure 8: Multi-scene suction applications. 
Figure 9: Powerful suction for various messes. - Dust Blowing Function: Use the blowing nozzle to clear dust from hard-to-reach areas like computer chassis, keyboards, window gaps, and air conditioning filter screens. It can also be used to blow wind for starting fires outdoors.

Figure 10: Dust blowing applications. - Convenient Inflatable: Attach the appropriate tip to inflate items such as swimming rings, inflatable balls, and air cushion beds.

Figure 11: Inflatable applications. - Vacuum Pumping: Use the vacuum function with suitable attachments to compress storage bags and vacuum bags for food preservation or space-saving.

Figure 12: Vacuum pumping applications.
7. Maintenance
- Empty Dust Bin: Regularly empty the dust bin to maintain optimal suction power. Twist the dust bin counter-clockwise to detach it from the main unit.
- Clean Filter: The HEPA filter is washable and reusable. It is recommended to clean the filter monthly or more frequently with heavy use. Rinse the filter under running water until clean. Ensure it is completely dry before reinserting it into the vacuum.

Figure 13: Washable and reusable filter element. - Store Properly: Store the vacuum cleaner and its accessories in a cool, dry place when not in use. Its compact size allows for flexible storage without occupying much space.

Figure 14: Compact design for easy storage.
8. Troubleshooting
If you encounter issues with your vacuum cleaner, please refer to the following common problems and solutions:
- No Power / Not Turning On:
- Ensure the device is fully charged.
- Check if the power button is pressed and held for 3 seconds to activate.
- Weak Suction:
- Empty the dust bin if it's full.
- Clean or replace the HEPA filter.
- Ensure attachments are securely fitted.
- Check for blockages in the nozzle or main unit.
- Device Overheating:
- Turn off the device and allow it to cool down.
- Ensure there are no obstructions to airflow.
- Charging Issues:
- Verify the Type-C cable is properly connected to both the vacuum and the power source.
- Try a different Type-C cable or power adapter.
For persistent issues, please refer to the official user manual PDF or contact customer support.
Official User Manual (PDF): A detailed user manual is available for download at this link.
9. User Tips
- The power indicator lights (three white lights) provide a quick visual of the remaining battery power, allowing for timely charging.
- Utilize the crevice tool with Turbo Mode for effectively cleaning tight spaces like seat gaps and console edges.
- The brush head attachment is ideal for agitating and lifting dirt from fabric surfaces and carpets before vacuuming.
- Remember to fully charge the device before extended use to maximize runtime.
10. Warranty and Support
Your SUITU ST-6659Plus Cordless Car Vacuum Cleaner comes with a standard manufacturer's warranty. For detailed warranty information, product support, or service inquiries, please contact the seller or refer to the official product website.
This product is certified with RoHS, FCC, and CE standards, ensuring quality and safety.





