Very hard to make a Remote key fob for this model,,
https://www.jdm-parts.co.nz/daihatsu-bego-toyota-rush-replacement-key-remote-duplication/?feed_id=101689&_unique_id=668d3f8587d31Replacement Key Programming
DAIHATSU Bego / TOYOTA Rush Replacement key Remote Duplication
DAIHATSU Bego / TOYOTA Rush Replacement key Remote Duplication