Toyota Begins Production of Third-Generation Sienna at Indiana PlantProduction of the all-new 2011 Sienna minivan is underway at Toyota Motor Manufacturing, Indiana (TMMI) in Princeton, Ind. Fully redesigned to meet the needs of consumers, the new Sienna was styled at Toyota’s Calty Design Research Center in Newport Beach, Calif., and developed at the Toyota Technical Center in Ann Arbor, Mich. |