From the Tablesinwonderland.com website.
Theme Park parking is complimentary to Tables in Wonderland members, for the sole purpose of dining at one of the participating Theme Park restaurants. Before 5:00pm, please pay for parking at the Auto Plaza. Visit Guest Relations on your way out of the Theme Park, and if it has been less than 3 hours, show your membership card, parking receipt, and dining receipt for parking reimbursement. After 5:00pm., members can show their membership card at the Auto Plaza to enter the parking lot. Theme Park admission is required for dining in all Theme Park restaurant locations. On Tables in Wonderland blockout dates, there will be a charge for parking and valet services.