Saw this on the reddit forum: https://www.reddit.com/r/Clarity/comments/96rfca/lost_keys/ Basically, the guy used a Civic key fob and saved $500 over the cost of replacing his lost Clarity key fob. He lost functionality, but the lost functionality is all on HondaLink, so...
Programming another fob can be easy, but haven't seen how to as sometimes you need two in order to add a third one, else it has to be done at the dealer. But if a Civic fob works it could be good/cheap insurance in case one is lost...
Here's where you can get one, others models available too, not sure if it's the right frequency/chip: https://www.aliexpress.com/store/product/4-Button-New-Replacement-Remote-Key-Smart-Car-Key-Fob-434MHz-with-47-Chip-and-Uncut/505567_32892974153.html?spm=2114.12010612.8148356.4.63024d4aw8l8Sz
It would be great if the programming process is DIY. If someone find any information regarding this, please post. Thanks.