How to change the battery for Kustu key?

you can change the key by breaking it.

The specific steps are as follows:

1. Turn the Logo of Kusitu remote control key upward, and use the thumb of your left hand to move it upward at the middle seam of the remote control key, and break one end of the battery cover to expose the battery.

2. Insert a toothpick into the gap at the edge of the battery and remove the battery.

3. Put the new battery into the battery slot, fasten the battery cover, and gently press the battery cover to make it tight.