No, thats not it!
Once you have logged into the Member Centre, alongside the green-bordered panel for Help and Support, there is a maroon bordered panel for My Account. When you first sign up to PN, in place of the Upgrade in this panel there used to be a link for View My Usage. This seems to get replaced after a couple of months by the Upgrade Account link. I noticed this not only after I signed up but also the same happened for a referral account.
I hope this is clear, I haven't worked out how to capture the screen image and post it on here!!
My other car isn't a Ferrari