Originally Posted by
lackoftoast
Nope, it's about 10 business days later and no profile update.
That seems to take me to a generic sign-up page, the actual form that they have you fill out (and doesn't do anything) is here:
https://www.avis-preferred.com/mastercard/
The link you show is not for US residents. If you are a US resident you have to go through the process I showed you - the generic page initially... and then proceed. It worked for me