Remote control installation battery: start pairing, while holding the back and forward buttons for 3-5 seconds, you will see the first LED flash, immediately turn on the vehicle power switch. The red light will stop flashing and the pairing will be successful (repeat if pairing fails)(note: Batteries are not included) Please refer to the instruction manual for first use,Product is Applied to Specific Children Riding Toys,The first use of the remote control needs to be matched[6v 12V 24V children's cars can be used] Please make sure that your originals are identical in appearance If you are not sure,You can remove the seat or open the hood to see the control box logo Compatible JR Control Box:1630RX JR1625RX JR1816RXS JR1807RX JR1810RX JR1858RX JR1958RX-2S JR1922 JR1738RX JR1936RX-3W JR1543RX[The control box with the Weelye logo is not available] If you are not sure if it is available, please contact us via Amazon and we will provide you with professional advice