2009 Toyota Sienna Owners Manual - Page 417
2009 Toyota Sienna Manual
Page 417 highlights
3-7. Other interior features NOTICE n To prevent seat heater damage Do not put unevenly weighted objects on the seat and do not stick sharp objects (needles, nails, etc.) into the seat. n To prevent battery discharge Turn the switches off when the engine is not running. 3 Interior features 391