Hey there, sorry I missed this thread.
For historical reference, when referrals had high value (you could get a Roadster!), we had a problem with many members spamming the forum with their referral codes. We also decided we didn't want the codes in signatures, since some folks would make unnecessary posts just so their code would show up more often (thus more spam). At the same time, we appreciate the value of being able to share/find referral codes on the forum. We started working on an unobtrusive solution, but then Tesla devalued the referrals making the issue moot. Recently, however, referrals have some moderate value again, so we added a space on your member profile where you can share it.
In short, you can enter your...