1. Introduction
Thank you for choosing the COSTWAY 4D Flexible Track Massage Chair, Model 10042WL-CYJL. This manual provides essential information for the safe and effective operation, assembly, maintenance, and troubleshooting of your new massage chair. Please read this manual thoroughly before use and retain it for future reference.
This advanced massage chair features 4D massage technology, a flexible guide track, full-body airbag massage, heating therapy, foot rollers, zero gravity recline, and various automatic modes and techniques to provide a comprehensive and relaxing massage experience.
2. Important Safety Instructions
To reduce the risk of electric shock, burns, fire, or injury, always follow basic precautions when using an electrical appliance. Read all instructions before using the massage chair.
- Always unplug the appliance from the electrical outlet immediately after using and before cleaning.
- Do not use while bathing or in a shower.
- Do not place or store appliance where it can fall or be pulled into a tub or sink.
- Do not reach for an appliance that has fallen into water. Unplug immediately.
- An appliance should never be left unattended when plugged in. Unplug from outlet when not in use, and before putting on or taking off parts.
- Close supervision is necessary when this appliance is used by, on, or near children, invalids, or disabled persons.
- Use this appliance only for its intended use as described in this manual. Do not use attachments not recommended by the manufacturer.
- Never operate this appliance if it has a damaged cord or plug, if it is not working properly, if it has been dropped or damaged, or dropped into water. Return the appliance to a service center for examination and repair.
- Do not carry this appliance by supply cord or use cord as a handle.
- Keep the cord away from heated surfaces.
- Never operate the appliance with the air openings blocked. Keep the air openings free of lint, hair, and the like.
- Never drop or insert any object into any opening.
- Do not use outdoors.
- Do not operate where aerosol (spray) products are being used or where oxygen is being administered.
- To disconnect, turn all controls to the off position, then remove plug from outlet.
3. Setup and Assembly
Your COSTWAY massage chair requires some assembly. Please follow the instructions carefully to ensure proper setup.
3.1 Unpacking and Placement
Before unpacking, ensure you have sufficient space for the chair and that your doorway is wide enough for the package to pass through. The minimum doorway size required is 29.5 inches. The package dimensions are 52" x 31" x 48.5" (L x W x H).
Note: Inside delivery is NOT provided. If a loading dock is not available at your delivery site, you can request inside delivery for an additional fee. Please keep the original packaging if you intend to return the product.
3.2 Assembly Steps
- Carefully remove all components from the packaging.
- Attach the leg rests and armrests according to the included assembly diagram (refer to separate assembly guide if provided).
- Connect all necessary cables securely.
- Position the chair in your desired location. The chair is equipped with transport wheels for easier movement.

4. Operating Instructions
The COSTWAY 4D Flexible Track Massage Chair offers a variety of features and controls for a personalized massage experience.
4.1 Power On/Off
Plug the power cord into a grounded electrical outlet (110-120V 60Hz). Press the power button on the control panel to turn the chair on or off.
4.2 Control Options
The chair can be controlled using three methods:
- Smart LED Touch Screen: Provides a visual interface for selecting modes, adjusting settings, and monitoring massage progress.
- Armrest Shortcut Keys & Knob: Conveniently located for quick adjustments during a massage.
- Voice Control: Use simple voice commands for hands-free operation.

4.3 Automatic Body Scan
Upon starting a massage program, the chair performs an automatic body scan to detect your body shape and adjust massage points and ranges for a customized experience.
4.4 4D Massage Technology
The advanced 4D massage manipulators can adjust up & down, left & right, and forward & back, providing a more precise and deep tissue massage. You can adjust 5 different 4D intensities.

4.5 Flexible Guide Track & Recline
The 51-inch flexible guide track allows the chair to recline from 129.5° to 164°, enabling a deeper massage from the neck to the hips and thighs. The upgraded dual electric linear actuators allow independent adjustment of leg and back positions.

4.6 Zero Gravity Design
Activate the one-button zero gravity function to elevate your legs above your heart, promoting blood circulation and fully relaxing your spine. There are two zero gravity positions available.

4.7 Massage Techniques and Modes
The chair offers 6 massage techniques and 18 automatic modes:
- Techniques: Shiatsu, Knead, Tap, Knead & Tap, Grasp, 4D.
- Automatic Modes: Total Relax, Chinese Massage, Relieve Muscle, Body Balance, Thai Massage, Full-body Stretch, Neck & Shoulder Care, Spine Traction, Leg & Foot Relieve, Superior Enjoyable, President Cosy, Keep Fit, Office Regimen, Health Recharge, Energy Boost, Lunch Break, Back Spa, Sweet Dream.
You can also adjust 5 speeds, 5 widths, and 3 massage intensities (gentle, soothing, strong).

4.8 Airbag Massage & Heating Therapy
The chair features 34 airbags located on the shoulders, arms, waist, calves, and feet, providing pressure massage. A 3-level back heater offers soothing warmth. Palm convex point massage and magnetic therapy, along with 3-speed foot rollers, further enhance relaxation.

4.9 Electric Retractable Calf Frame
The 6.3-inch electric extendable calf frame automatically monitors and adjusts its length to fit users of different heights, ensuring optimal leg and foot massage.

4.10 Additional Features
- Bluetooth Speakers: Connect your device via Bluetooth to enjoy music during your massage.
- Wireless Charging Station & USB Port: Effortlessly charge your phone or other devices.
- Memory Function: Save your preferred massage settings for quick access.
4.11 Video Demonstration
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your massage chair.
5.1 Cleaning
- Always unplug the chair before cleaning.
- Wipe the surface of the chair with a soft, damp cloth. Do not use abrasive cleaners or harsh chemicals.
- For PU leather surfaces, use a specialized leather cleaner if necessary, following the product instructions.
- Ensure no liquid enters the control panel or other electrical components.
5.2 Storage
When not in use for extended periods, store the chair in a cool, dry place away from direct sunlight and extreme temperatures. Cover the chair to protect it from dust.
6. Troubleshooting
If you encounter any issues with your massage chair, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Chair does not power on. | Power cord not properly connected. No power from outlet. | Ensure power cord is securely plugged into both the chair and a working electrical outlet. Check circuit breaker. |
| Massage function not working. | Program not selected. Safety feature activated. | Select an automatic program or manual massage technique. Ensure no objects are obstructing moving parts. |
| Airbags not inflating. | Air pressure intensity set too low. Air hose disconnected. | Increase air pressure intensity via the control panel. Check for any visible disconnections in air hoses (if accessible). |
| Remote control/Touch screen unresponsive. | Low battery (if applicable). Connection issue. | Ensure the remote is charged or has fresh batteries. Restart the chair by unplugging and replugging. |
If the problem persists after attempting these solutions, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | COSTWAY |
| Model Number | 10042WL-CYJL |
| Color | Brown |
| Material | ABS + PU Leather + Metal + Sponge + PE |
| Product Dimensions (Chair Mode) | 60.5"D x 29.5"W x 46"H |
| Product Dimensions (Lying Mode) | 72.5"D x 29.5"W x 33"H |
| Package Dimension | 52" x 31" x 48.5" (L x W x H) |
| Minimum Doorway Size | 29.5 inches |
| Weight Capacity | 265 lbs |
| Suitable Height | 5.08ft - 6.07ft |
| Rated Voltage | 110-120V 60Hz |
| Rated Power | 150W |
| Rated Time | 20 Minutes |
| Net Weight | 236 lbs |
| Gross Weight | 275 lbs |
| Power Cord Length | 79 inches |
| Included Components | 1 x Massage Chair, 1 x User Manual |
8. Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product or contact COSTWAY customer service directly. Please have your model number (10042WL-CYJL) and purchase date available when contacting support.