Registering it... I don't think its worth it. Look into the sort of benifits you get - its probably just e-mails when new drivers come out or something like that.
I don't really think its worth the effort. You probably can though - if he hasn't already registererd it?
A Knight is sworn to Honour. His heart knows only Virtue. His blade defends the helpless. His might upholds the Weak. His word speaks only truth. His wrath undoes the Wicked.