Introduction
This manual provides essential information for the safe operation, assembly, and maintenance of your Rastar Lamborghini Murciélago LP 640-4 Roadster ride-on toy. Please read this manual thoroughly before assembly and use, and retain it for future reference.
The Rastar Lamborghini Murciélago LP 640-4 Roadster is a battery-operated ride-on toy designed for children aged 24 months to 8 years. It features MP3 input, emulational key start, and pre-installed songs.
Safety Information
- Adult Supervision Required: This product must be assembled and operated under direct adult supervision.
- Age and Weight Limits: Suitable for children aged 24 months to 8 years. Refer to product packaging for specific weight limits.
- Operating Environment: Use on flat, level surfaces. Avoid slopes, stairs, public roads, and areas near water.
- Protective Gear: Always ensure the child wears appropriate safety gear, such as a helmet, when operating the toy.
- Battery Safety: Only use the provided rechargeable battery and charger. Do not mix old and new batteries. Do not short-circuit battery terminals.
- Charging: Charge the battery in a dry, well-ventilated area, away from flammable materials. Do not overcharge.
- Moving Parts: Keep hands, hair, and clothing away from moving parts.
Package Contents
Please check the box to ensure all components are present:
- Lamborghini Murciélago LP 640-4 Roadster body
- Steering wheel
- Wheels (4)
- Seat
- Rechargeable lead-acid battery
- Battery charger
- Assembly hardware (screws, washers, etc.)
- Instruction Manual (this document)
Setup and Initial Charge
1. Assembly
Follow the detailed instructions provided in the separate assembly guide (if applicable) or the diagrams on the packaging. Key steps typically include:
- Attach the wheels to the axles.
- Install the steering wheel.
- Secure the seat.
- Connect the battery terminals.

Image: Side view of the assembled Rastar Lamborghini Murciélago LP 640-4 Roadster. This image illustrates the overall structure of the vehicle after assembly.
2. Battery Installation and Initial Charge
- Locate the battery compartment, usually under the seat.
- Connect the red terminal of the battery to the red wire from the vehicle, and the black terminal to the black wire. Ensure connections are secure.
- Before first use, fully charge the battery for 8-12 hours. Do not exceed 18 hours.
- To charge, plug the charger into the charging port on the vehicle (location may vary, refer to diagrams) and then into a standard wall outlet.
- The charger indicator light will typically show charging status (e.g., red for charging, green for fully charged).
Important: Always disconnect the charger before operating the vehicle.
Operating Instructions
1. Starting the Vehicle
- Ensure the battery is fully charged and properly connected.
- Insert the emulational key into the ignition slot and turn it to the "ON" position. You may hear a starting sound.

Image: Front-side view of the Rastar Lamborghini Murciélago LP 640-4 Roadster. This image highlights the front lights and overall design.
2. Driving
- Forward/Reverse: Use the gear selector switch (typically located near the dashboard) to choose between forward and reverse.
- Acceleration: Press the foot pedal to accelerate. Release the pedal to brake.
- Steering: Turn the steering wheel to control the direction of the vehicle.

Image: Front view of the Rastar Lamborghini Murciélago LP 640-4 Roadster. This perspective shows the front grille and headlights.
3. Multimedia Features
- MP3 Input: Connect an external audio device (e.g., smartphone, MP3 player) to the MP3 input jack using an auxiliary cable. Adjust volume on the external device.
- Pre-installed Songs: Press the designated button on the dashboard or steering wheel to play pre-installed songs.
- Horn: Press the horn button on the steering wheel for sound.

Image: Rear-side view of the Rastar Lamborghini Murciélago LP 640-4 Roadster. This view displays the taillights, exhaust details, and rear wheel.
Maintenance
1. Cleaning
- Wipe the vehicle with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Avoid spraying water directly onto electrical components.
2. Battery Care
- Recharge the battery after each use.
- If the vehicle is not used for an extended period, charge the battery at least once a month to prolong its lifespan.
- Store the battery in a cool, dry place.
3. Storage
- Store the vehicle indoors in a dry area, away from direct sunlight and extreme temperatures.
- Protect the vehicle from dust and moisture.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vehicle does not move. | Battery is low or not connected. Power switch is off. Loose wire connection. | Charge the battery. Check battery connections. Turn the power switch to "ON". Check all wire connections. |
| Vehicle moves slowly. | Battery is low. Overloaded vehicle. Operating on an uneven surface. | Recharge the battery. Reduce weight on the vehicle. Move to a flat, level surface. |
| No sound from MP3 or horn. | Volume too low. MP3 device not connected properly. Faulty speaker/wiring. | Increase volume on external device. Ensure MP3 cable is fully inserted. Contact customer support if issue persists. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | 81300 |
| Brand | Rastar |
| Product Dimensions (LxWxH) | 110 x 60.4 x 46.8 cm |
| Item Weight | 15.08 kg |
| Recommended Age | 24 months - 8 years |
| Battery Type | Lead-acid rechargeable battery (included) |
| Features | MP3 input, Emulational key start, 10 pre-installed songs |
Warranty and Support
For warranty information and customer support, please refer to the warranty card included with your product or visit the official Rastar website. Keep your purchase receipt as proof of purchase.
If you encounter any issues not covered in this manual, please contact Rastar customer service for assistance.





