when to change Timing belt on 2000 Toyota Sienna

Car has only 20k original miles yes it is 12 yrs old but
like brand new many new parts but not timing belt

Asked by for the 2000 Toyota Sienna
Usually the owners manual will say 75,000 miles OR 5 years, which means you should have already replaced it. Give yourself peace of mind and get it done.Goodluck