Introduction
This manual provides detailed instructions for assembling, operating, and maintaining your Wishiot 4WD Drive Climbing Car Off-Road Technical Car Set. This advanced building block set features a robust 4WD system, suspension shocks, XL servo motor, and can be controlled via an 8-channel APP remote or an IR remote, depending on the chosen power bundle. It is designed for enthusiasts aged 14 and above who enjoy complex technical builds and off-road remote control vehicle operation.
Package Contents
The contents of your package will vary based on the bundle selected:
- Bundle 1: Full Car Set
- Car Chassis Bricks Set x 1
- Black Wheels x 4
- XL Motor x 2
- Servo Motor x 1
- 8CH APP Remote Control Set x 1
- Bundle 2: Car Chassis
- Car Chassis Bricks Set x 1
- Bundle 3: Black Wheels
- Black Wheels x 4
- Bundle 4: Green Wheels
- Green Wheels x 4
- Bundle 5: Power 1
- XL Motor x 2
- Servo Motor x 1
- IR Remote Control x 1
- IR Receiver x 1
- Rechargeable lithium battery box x 1
- Bundle 6: Power 2
- XL Motor x 2
- Servo Motor x 1
- 8CH APP Remote Control Set x 1
Please verify all components against your chosen bundle upon receipt. Note that this kit is supplied as loose parts and requires assembly.
Setup and Assembly
This technical car set requires self-assembly from loose building blocks. A detailed PDF building diagram is provided to guide you through the construction process. Please contact the seller after your order to obtain this diagram.
Important Assembly Notes:
- Carefully unpack all components and refer to the PDF building diagram for step-by-step instructions.
- Pay close attention to small parts to avoid loss or misplacement.
- Ensure all connections are secure for optimal performance and durability.
- When installing motors and remote control components, follow the diagram precisely for correct wiring and functionality.

Operating Instructions
Once assembled, your 4WD Climbing Car is ready for operation. Control methods depend on your chosen power bundle:
Using the 8CH APP Remote Control Set (Bundles 1 & 6)
- Download the dedicated control application to your smartphone or tablet.
- Ensure the car's power source (battery box) is charged and connected.
- Turn on the car's power.
- Open the APP and follow the on-screen instructions to connect to the car via Bluetooth or other specified wireless protocol.
- Use the virtual controls within the app to drive the car, control steering, and potentially other functions if available.
Using the IR Remote Control (Bundle 5)
- Ensure the car's power source (rechargeable lithium battery box) is charged and connected.
- Insert batteries into the IR Remote Control.
- Turn on the car's power and the IR Remote Control.
- Point the IR Remote Control towards the IR Receiver on the car.
- Use the joystick and buttons on the remote to control the car's movement and steering.
The 4WD system and suspension shocks allow the car to navigate various terrains and overcome obstacles, demonstrating a maximum body inclination of 90 degrees.


Maintenance
Proper maintenance will ensure the longevity and performance of your technical car set:
- Cleaning: Use a soft, dry cloth to wipe down the car after use. Avoid water or harsh chemicals, especially near electronic components.
- Storage: Store the car and its components in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: If your bundle includes a rechargeable battery box, ensure it is charged according to its specific instructions. Do not overcharge or leave depleted for extended periods. Remove batteries from the remote control if not in use for a long time.
- Component Check: Periodically inspect all connections, gears, and moving parts for wear or damage. Replace any broken or worn-out parts as needed.
- Lubrication: For optimal gear performance, a small amount of plastic-safe lubricant can be applied to moving gear parts if they become stiff.
Troubleshooting
If you encounter issues with your 4WD Climbing Car, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Car does not respond to remote control. | Low battery in car or remote; incorrect pairing; IR receiver blocked. | Charge/replace batteries. Re-pair remote and car (refer to PDF diagram). Ensure IR receiver is unobstructed. |
| Car moves slowly or inconsistently. | Low battery; motor obstruction; loose connections. | Charge car battery. Check for debris in motors or gears. Verify all power connections are secure. |
| Wheels do not turn or turn unevenly. | Gears jammed; axle disconnected; servo motor issue. | Inspect gears for foreign objects. Check axle connections. Ensure servo motor is properly installed and connected. |
| APP control not connecting. | Bluetooth/wireless off; app not updated; car not powered on. | Ensure device Bluetooth/wireless is on. Update the control app. Confirm car is powered on. |
If problems persist, please refer to the detailed PDF building diagram or contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Model Numbers | T0774, T0717, T0734 |
| Brand Name | Wishiot |
| Recommended Age | 14+ years |
| Origin | Mainland China |
| Compatibility | For MOC Power Functions |
| Drive System | 4WD (Four-Wheel Drive) |
| Suspension | Equipped with Suspension Shocks |
| Motors | XL Servo Motor (quantity varies by bundle) |
| Remote Control | 8CH APP Remote Control or IR Remote Control (varies by bundle) |
| Wheel Dimensions | 107mm x 44mm |
| Wheel Colors Available | Black, Green |
| Max Body Inclination | 90° |

User Tips
- PDF Building Diagram: Many users find the assembly process smoother with the detailed PDF diagram. If you haven't received it, contact the seller immediately after your purchase.
- Organize Parts: Before starting assembly, sort the building blocks by type and color. This will significantly speed up the construction process.
- Test Components: If possible, test motors and remote control units before fully integrating them into the chassis to ensure they are functional.
- Battery Life: For extended play, consider having spare batteries for your remote control or ensuring the rechargeable battery box is fully charged before use.
Warranty and Support
For any questions, technical assistance, or issues regarding your Wishiot 4WD Drive Climbing Car Off-Road Technical Car Set, please contact the seller directly through the platform where you made your purchase. They can provide specific support related to missing parts, assembly guidance, or operational problems.