short update: I ordered another key with the same specs on ali and this one works right away after programming. All buttons and the keyless functions work. On this new one the red LED doesn't work though. Not a big deal, but obviously there's quite some variation in quality it seems.
Many thanks for the quick reply!
Man, that FCC ID surely is hidden. I needed a microscope to be able to read this (oh, my old eyes... :) ) It's the same FCC ID M3N-A3C108397.
Maybe you're right and my keyfob from ali is just defective.... I'll look for another one. Thanks again.
Any idea how...
Because the key from the link in the first post doesn't ship to my country, I ordered this one: https://de.aliexpress.com/item/1005010519279455.html?spm=a2g0o.order_list.order_list_main.5.63815c5fQvBpAo&gatewayAdapt=glo2deu
The programming of the new key went without issues and I can open and...