Introducción
This manual provides essential instructions for the proper use and maintenance of your JIARUIXIN CST-1A 2.4G Bluetooth Remote Control, designed for children's electric ride-on cars equipped with CSR-12T series receivers. Please read this manual thoroughly before operation to ensure safe and correct usage.

Image: The CST-1A remote control shown alongside examples of compatible children's electric ride-on cars.
Información de seguridad
- Sólo para uso externo.
- Mantener alejado de llamas abiertas o fuentes de calor directas.
- All batteries must be inserted with correct polarity.
- To avoid injury, keep batteries away from children.
- Dispose of dead batteries properly and keep them away from children.
- Avoid direct contact between positive and negative terminals to prevent fire or explosion.
- No mezcle pilas nuevas y viejas. No mezcle pilas alcalinas, estándar (carbono-zinc) o recargables (níquel-cadmio).
- Only an adult who has read and understood the safety warnings can recharge the battery (if applicable to the car's battery, not the remote's AAA batteries).

Image: Important safety warnings regarding battery usage and handling.
Compatibilidad
The CST-1A remote control is specifically designed for children's electric ride-on cars that utilize a CSR-12T series receiver. To ensure compatibility, please follow these steps:
- Open the control box of your electric ride-on car.
- Check the model number on the receiver. It must start with RSE-12T (e.g., CSR-12T-1A, CSR-12T-1B, CSR-12T-2A, CSR-12T-2B, CSR-12T-3A, CSR-12T-3B).
- The appearance of the control box should match the compatible models shown in the images below.
Nota importante: The CST-1A remote control is no compatible with JR white remotes or receivers, nor with older CSG4A receiver versions. Products from different manufacturers are generally not interchangeable.

Image: The CST-1A remote control is compatible with controllers starting with CSR-12T, such as CSR-12T-1A, CSR-12T-1B, and CSR-12T-2A.

Image: Visual distinction between the compatible CST-1A remote (top) and an incompatible JR remote (bottom).

Image: The CST-1A remote control is not compatible with JR receivers or the older CSG4A receiver model.
Instrucciones de instalación
1. Instalación de la batería
The remote control requires two AAA 1.5V batteries (not included). Ensure correct polarity during installation.
- Localice la tapa de la batería en la parte posterior del control remoto.
- Loosen the screw on the battery cover and remove it.
- Insert two AAA 1.5V batteries, paying close attention to the positive (+) and negative (-) polarity markings inside the battery compartment.
- Vuelva a colocar la tapa de la batería y apriete el tornillo.
- The indicator lights on the remote will flash three times, confirming correct battery installation.

Image: Instructions for battery installation, showing the battery compartment and screw.
2. Emparejamiento de frecuencias
The remote control needs to be paired with the car's receiver for the first use or after replacing the batteries. Follow these steps:
- Asegúrese de que el interruptor de encendido del automóvil esté APAGADO.
- Install two AAA 1.5V batteries into the remote control (as described above). The indicator will flash three times.
- Press and hold the frequency key (often labeled "car select" or similar, or the 'S' button for speed selection) on the remote control for approximately 2 seconds. The indicator lights on the remote will begin to flash.
- While the remote's indicator lights are flashing, turn ON the power supply of the electric ride-on car.
- The indicator lights on the remote control should turn OFF, indicating successful pairing.
- If the matching is unsuccessful (indicator lights do not turn off), turn off the car's power supply and repeat steps 3 and 4.
Once successfully matched, there is no need to repeat this process unless the batteries are replaced or the connection is lost.

Image: The back of the remote control with printed instructions for frequency matching.
Instrucciones de funcionamiento
Familiarize yourself with the buttons on your CST-1A remote control:

Image: Layout of the CST-1A remote control buttons and their functions.
- Adelante: Press the top button of the directional pad to move the car forward.
- Back (Reverse): Press the bottom button of the directional pad to move the car backward.
- Gire a la izquierda: Press the left button of the directional pad to turn the car left.
- Gire a la derecha: Press the right button of the directional pad to turn the car right.
- Emergency Braking (P): Press the 'P' button to stop the car immediately.
- Speed Selection (S): Press the 'S' button to cycle through available speed settings (e.g., low, medium, high).
The remote control will enter a sleep mode if not used for a long time. Press any button to wake up the remote control, and it can be used normally.
Mantenimiento
- Mantenga el control remoto limpio y seco. Evite la exposición a la humedad o a temperaturas extremas.
- Limpie el control remoto con un paño suave y seco. No utilice productos químicos agresivos ni limpiadores abrasivos.
- Si no se utilizará el control remoto durante un período prolongado, retire las pilas para evitar fugas y daños.
- Regularly check the car's battery and ensure it is in good working condition, as a low car battery can affect remote control performance.
Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| El control remoto no responde. |
|
|
| Remote indicator lights flash continuously after pairing attempt. | Pairing was unsuccessful. | Turn off the car's power, then repeat the frequency matching steps carefully. Ensure the remote's indicator lights turn off. |
| El control remoto funciona intermitentemente. |
|
|
Presupuesto
- Número de modelo: CST-1A
- Compatible Receiver Models: CSR-12T-1A, CSR-12T-1B, CSR-12T-2A, CSR-12T-2B, CSR-12T-3A, CSR-12T-3B
- Conectividad: Bluetooth de 2.4G
- Fuente de energía: 2 pilas AAA de 1.5 V (no incluidas)
- Dimensiones del producto: 4.7 x 3 x 1.5 pulgadas
- Peso del artículo: 2.39 onzas
- Característica especial: Diseño ergonómico
- Número máximo de dispositivos compatibles: 1
- Marca: JIARUIXIN
- Manufacturer (of compatible receiver series): RSE-12T
Garantía y soporte
Specific warranty information for the JIARUIXIN CST-1A remote control is not provided in the product details. For any support inquiries or warranty claims, please contact the seller directly through your purchase platform.
Ensure to check your car's original manual for details regarding its receiver and compatibility with replacement parts.





