Hi Megs,
Thank you for taking the time to send us your question, we really appreciate it. I am so excited to hear that you will be visiting
Disney California Adventure Park in a few days, I bet you can't wait to be cruising through Radiator Springs!
At this time, you will need to upgrade your Theme Park Tickets at a Ticket Booth or Guest Relations location at
Disneyland Resort. I would suggest looking at the
Theme Park Reservation Availability Calendar to see if there is still availability prior to your purchase. After a quick look, it does show that there is still availability for Park Hoppers beginning at Disney California Adventure Park, but availability is always subject to change.
I hope you have a magical time at Disney California Adventure Park, Megs. I wish I had better news for you but I am sending you lots of Pixie Dust in hope you will be able to upgrade your Theme Park Tickets at the Ticket Booths. If you have any other questions, please come back to
planDisney, we are always happy to help.
~Stephanie