Introduction
This manual provides essential instructions for the safe and effective use of the HY2025RX-SE-12V 40A Children's Electric Vehicle Controller and its accompanying 2.4G Bluetooth Remote Control Receiver. Please read this manual thoroughly before installation and operation to ensure proper functionality and safety.
Important Safety Information
⚠ WARNING: This product can expose you to chemicals including phthalates (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
- Always supervise children when operating electric vehicles.
- Ensure all connections are secure before use.
- Do not expose the controller or remote to water or extreme temperatures.
- Only use with compatible 12V electric vehicles.
- Replace batteries in the remote control with the correct type and polarity.
Package Contents
Your package should include the following components:
- 1 x HY2025RX-SE-12V Controller Unit
- 1 x 2.4G Bluetooth Remote Control (specific model may vary)




Specifications
| Feature | Detail |
|---|---|
| Model | HY2025RX-SE-12V |
| Supply Voltage | DC 12V |
| Load Current | Max 40A |
| Frequency | 2.407GHz - 2.473GHz (2.4G Bluetooth) |
| Material (Remote) | Rubber |
| For Vehicle Type | Cars (Children's Electric Vehicles) |
| Batteries Included | No (Remote requires button battery) |
| Recommended Age | 3-6 Years, 6-12 Years |
Setup Instructions
Controller Installation:
The HY2025RX-SE-12V controller unit is designed for integration into children's electric vehicles. Refer to your vehicle's specific wiring diagram for exact connection points. The controller unit has clearly labeled ports for:
- Drive motor: Connect the vehicle's drive motors here.
- Steering motor: Connect the vehicle's steering motor here.
- Power Supply: Connect the vehicle's 12V battery power supply. Ensure correct polarity (+/-).
- Multi-function switch: Connect any additional multi-function switches as per your vehicle's design.
Ensure all connections are firm and insulated to prevent short circuits.
Remote Control Battery Installation:
The remote control unit requires a button battery (not included). Open the battery compartment on the back of the remote control and insert the battery, observing the correct polarity.
Pairing the Remote Control:
To pair the remote control with the vehicle's receiver:
- Ensure the vehicle is powered off.
- Press and hold the pairing button (often labeled 'M' or a wavy line icon) on the remote control.
- While holding the pairing button, turn on the power switch of the electric vehicle.
- The indicator lights on the remote control should flash and then become solid, indicating successful pairing.
- Release the pairing button.
If pairing fails, turn off both the vehicle and remote, then repeat the steps.
Operating Instructions
Once the controller is installed and the remote is paired, you can operate the electric vehicle.

- Power Button: Usually a dedicated button or integrated with the vehicle's main power switch.
- Directional Buttons (Arrows): Control forward, backward, left, and right movement.
- Speed Button (S): Adjusts the speed settings (e.g., low, medium, high). Press to cycle through speeds.
- Parking/Brake Button (P): Engages the parking brake or stops the vehicle immediately.
- Indicator Lights: Show power status, pairing status, and sometimes speed level.
Always start the vehicle at a low speed and in a safe, open area. Familiarize yourself with the remote's controls before allowing a child to operate the vehicle.
Maintenance
- Cleaning: Wipe the controller and remote control with a dry, soft cloth. Do not use harsh chemicals or immerse in water.
- Battery Replacement (Remote): When the remote control's indicator lights dim or it becomes unresponsive, replace the button battery.
- Connection Checks: Periodically inspect all wiring connections to the controller unit to ensure they are secure and free from corrosion or damage.
- Storage: Store the controller and remote in a dry place away from direct sunlight and extreme temperatures when not in use. Remove batteries from the remote if storing for extended periods.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vehicle does not respond to remote. |
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| Vehicle moves erratically or not at full power. |
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| Remote control indicator light does not turn on. |
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User Tips
- Always test the remote control's functionality in a safe, open space before allowing a child to use the vehicle.
- Keep the remote control away from small children to prevent accidental operation or choking hazards from small parts (like batteries).
- Consider having a spare remote control battery on hand for uninterrupted play.
Warranty and Support
For any issues not covered in this manual, or for warranty inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
Seller: Viviane Store
This product is intended for use as a replacement or upgrade component for compatible children's electric vehicles. Ensure compatibility before purchase and installation.





