Yes, you can do it on line. I did mine that way. But I would suggest not to. I am at SSR now. It was a week out and I did not hear or get any thing. I called member services. They looked and did not find my name. She came back and said that even if you do it on line because it is
DVC you still need to call member services. I did not have a problem at the airport but I did not get any of the luggage tages either.