1. Introduction
Welcome to the instruction manual for your CaDA Opel Astra V8 Coupe C51081W building block set. This manual provides essential information for assembling, operating, and maintaining your model. Please read these instructions carefully before beginning assembly or operation to ensure a safe and enjoyable experience.

Image 1.1: The completed CaDA Opel Astra V8 Coupe C51081W model.
2. Product Overview
The CaDA Opel Astra V8 Coupe C51081W is an officially licensed, 1:20 scale building block replica of the iconic Opel Astra V8 Coupe rally car. This set consists of 330 precision-engineered pieces, designed for an engaging building experience. Once assembled, the model features 2.4G Bluetooth APP remote control functionality, allowing for precise forward, backward, left, and right steering. Its robust construction ensures stability during play.
- Officially Licensed: Opel Astra V8 Coupe.
- Scale: 1:20.
- Piece Count: 330 pieces.
- Control: 2.4G Bluetooth APP remote control.
- Functions: Forward, backward, turn left, turn right.
3. Assembly Instructions
Your CaDA Opel Astra V8 Coupe C51081W set includes a comprehensive, step-by-step instruction booklet. Please follow the diagrams and written instructions carefully to ensure correct assembly. Organize your pieces before starting to make the building process smoother.
- Unpack: Carefully open the packaging and lay out all components. Verify that all 330 pieces are present according to the parts list in the instruction booklet.
- Follow Steps: Begin assembly by following the numbered steps in the provided instruction manual. Pay close attention to the orientation of each piece.
- Secure Connections: Ensure all building blocks are firmly connected to prevent parts from detaching during play.
- Apply Stickers: If included, apply any decorative stickers as indicated in the manual for the authentic Opel Astra V8 Coupe appearance.

Image 3.1: Product packaging, indicating the model and its features.
4. Setup for Remote Control Operation
Once the model is fully assembled, prepare it for remote control operation.
- Battery Installation (Model): The model requires rechargeable batteries (not included). Locate the battery compartment on the model, open it, and insert the required batteries according to the polarity markings. Close the compartment securely.
- Battery Installation (Remote Control): The remote control unit (included) also requires batteries (not included). Open its battery compartment, insert the batteries with correct polarity, and close it.
- Power On: Turn on the power switch on both the model and the remote control.
- Pairing: The 2.4G Bluetooth APP remote control should automatically pair with the model. If pairing does not occur, refer to the specific pairing instructions in the included manual.
5. Operating Instructions
With the model assembled and paired, you are ready to operate your CaDA Opel Astra V8 Coupe.
- Forward/Backward: Use the designated control on the remote to move the car forward or backward.
- Steering: Use the steering control to turn the car left or right. The model features flexible body rotation for dynamic movement.
- Control Range: The remote control operates effectively up to a distance of 25 meters. Ensure you are within this range for optimal control.
- Speed: The vehicle can reach speeds of approximately 5.7 km/h.

Image 5.1: The CaDA Opel Astra V8 Coupe C51081W ready for operation.
6. Maintenance
Proper maintenance will extend the lifespan and performance of your CaDA model.
- Cleaning: Use a soft, dry cloth to gently wipe dust and dirt from the model. Avoid using water or chemical cleaners, as these can damage the plastic or electronic components.
- Storage: Store the model in a cool, dry place away from direct sunlight and extreme temperatures. Disassemble if storing for extended periods to prevent stress on connections.
- Battery Care: Remove batteries from both the model and the remote control when not in use for prolonged periods to prevent leakage and corrosion. Ensure rechargeable batteries are charged according to their manufacturer's instructions.
- Check Connections: Periodically inspect the model for any loose or damaged parts. Re-secure any loose connections to maintain structural integrity.
7. Troubleshooting
If you encounter issues with your CaDA Opel Astra V8 Coupe, refer to the following common troubleshooting steps:
- Model Not Moving:
- Check if the batteries in both the model and remote control are correctly installed and charged.
- Ensure both the model and remote control are powered on.
- Re-attempt the pairing process between the model and the remote control.
- Poor Control Response:
- Ensure you are within the 25-meter control range.
- Check for any obstructions or interference in the operating environment.
- Replace batteries in the remote control if they are low.
- Parts Detaching:
- Review the assembly instructions for the specific section where parts are detaching.
- Ensure all connections are pressed firmly together.
8. Specifications
Detailed technical specifications for the CaDA Opel Astra V8 Coupe C51081W:
| Feature | Detail |
|---|---|
| Model Number | C51081W |
| Brand | CaDA |
| Product Name | Opel Astra V8 Coupe |
| Piece Count | 330 |
| Scale | 1:20 |
| Product Dimensions | 21.1 x 8.7 x 6.3 cm |
| Control Type | 2.4G Bluetooth APP Remote Control |
| RC Distance | 25 m |
| Vehicle Speed | 5.7 km/h |
| Material | Plastic |
| Power Source | Battery (Rechargeable type) |
| Batteries Included | No |
| Assembly Required | Yes |
| Educational Value | Introduction to basic assembly concepts, mechanics |
| Recommended Age | 6+ years (Child, Teenager, Young Adult) |

Image 8.1: Side profile of the CaDA Opel Astra V8 Coupe C51081W.
9. Safety Information
Please observe the following safety guidelines:
- Small Parts Warning: This product contains small parts and is not suitable for children under 3 years due to a choking hazard.
- Adult Supervision: Adult supervision is recommended during assembly and play, especially for younger users.
- Battery Safety: Do not mix old and new batteries. Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries. Always insert batteries with correct polarity. Remove exhausted batteries promptly.
- Operating Environment: Operate the model in a clear, open area to avoid collisions with people, pets, or objects. Do not operate near stairs, roads, or water.
10. Warranty and Support
For warranty information, technical support, or inquiries regarding missing parts, please refer to the contact details provided with your purchase or visit the official CaDA website. Keep your proof of purchase for any warranty claims.





