1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of the HY2005RX-24V/40A 2.4G Bluetooth Remote Control and Receiver. This product is designed as a replacement part for specific children's electric ride-on cars. Please read this manual thoroughly before use to ensure proper function and safety.
2. 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 ensure the vehicle's power is OFF before installing or removing the receiver or batteries.
- Keep the remote control and receiver away from water and excessive moisture.
- Do not attempt to modify or disassemble the components, as this may void the warranty and pose safety risks.
- Ensure batteries are inserted with correct polarity.
- This product is a replacement part for children's electric cars. Adult supervision is always required when children operate the vehicle.
3. Product Overview
3.1 Components
- HY2005RX-24V/40A Receiver (Control Box)
- 2.4G Remote Control Transmitter

Figure 1: HY2005RX-24V/40A Remote Control and Receiver
3.2 Specifications
| Feature | Specification |
|---|---|
| Model Number | HY2005RX-24V/40A |
| Brand | HY |
| Material | Plastic |
| Control Method | 2.4G Bluetooth |
| Supply Voltage (Receiver) | DC 24V |
| Load Current (Receiver) | Max 40A |
| Frequency | 2.407GHz-2.473GHz |
| Remote Control Batteries | 2 x AAA (1.5V) batteries (included) |
| Certifications | CE, FCC, UL |
| Recommended Age (for compatible vehicles) | 3-6Y, 6-12Y, 14+y |

Figure 2: Receiver (Control Box) with Specifications
4. Setup and Installation
4.1 Compatibility Check
Before installation, ensure this replacement part is compatible with your children's electric ride-on car. Open your broken electric ride-on car and check the existing control box. If the appearance of the HY2005RX-24V/40A control box is identical to your original part, it should be compatible.
4.2 Remote Control Battery Installation
- Locate the battery compartment on the back of the remote control.
- Loosen the screw on the battery cover and remove the cover.
- Insert two AAA (1.5V) batteries, ensuring correct polarity (+/-).
- Replace the battery cover and tighten the screw.
4.3 Pairing the Remote Control with the Vehicle
The remote control and receiver must be paired for proper operation. This process should be repeated if batteries are changed in the remote control.
- Ensure the remote control has fresh AAA batteries installed.
- Turn OFF the power switch on the children's electric vehicle.
- On the remote control, simultaneously hold down the "▲" (Forward) and "▼" (Back) keys for approximately 3 seconds. The first LED on the remote control will begin to flicker, indicating it is in pairing mode.
- While the remote control LED is flickering, turn ON the power switch on the electric vehicle.
- The red indicator lights on the remote control should stop flashing, indicating that the pairing code has been successfully matched.

Figure 3: Remote Control Battery Installation and Pairing Diagram
5. Operating Instructions
Once the remote control is successfully paired with the vehicle, you can operate the electric car using the following controls:
- "▲" Key: Press to move the vehicle Forward.
- "▼" Key: Press to move the vehicle Backwards.
- "◀" Key: Press to turn the vehicle Left.
- "▶" Key: Press to turn the vehicle Right.
- "P" Key: Press and hold to engage the Brake function. All LEDs on the remote control will flicker when the brake is active.
- "S" Key (Speed Setup): Use the "S" key to adjust the vehicle's speed setting.
- 1 LED lit: Low speed
- 2 LEDs lit: Medium speed
- 3 LEDs lit: High speed

Figure 4: Remote Control Transmitter Buttons
6. Maintenance
- Keep the remote control and receiver clean and dry. Wipe with a soft, dry cloth.
- Avoid exposing the components to extreme temperatures or direct sunlight for prolonged periods.
- If the remote control will not be used for an extended period, remove the AAA batteries to prevent leakage.
- Regularly check all wiring connections to the receiver for looseness or damage.
7. Troubleshooting
7.1 Remote Control Not Responding
- Check Batteries: Ensure the remote control batteries are correctly installed and have sufficient charge. Replace if necessary.
- Re-pair: Attempt to re-pair the remote control with the vehicle following the instructions in Section 4.3.
- Vehicle Power: Ensure the electric vehicle's power switch is ON and its main battery is charged.
- Obstructions: Ensure there are no physical obstructions or strong interference between the remote control and the vehicle.
7.2 Vehicle Not Moving or Responding Erratically
- Receiver Connection: Verify that the receiver is securely connected to the vehicle's wiring harness.
- Motor/Power Supply: If the remote control pairs but the vehicle doesn't move, there might be an issue with the vehicle's motors or power supply, not the remote/receiver. Consult the vehicle's manual or a qualified technician.
8. User Tips
- Always keep a spare set of AAA batteries for the remote control to avoid interruptions during play.
- When replacing the receiver, take a photo of the original wiring connections before disconnecting to ensure correct re-installation.
- Test the remote control's functions in a safe, open area after pairing to confirm proper operation.
9. Warranty and Support
For warranty information or technical support regarding your HY2005RX-24V/40A Remote Control and Receiver, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.





