2009 Toyota Sienna Owners Manual - Page 285

3-1. Using the air conditioning system and defogger n Temperature display The temperature display (English/U.S. Customary System and metric units) on the trip information display can be changed. (→P. 183) n When the front air conditioning system is in simultaneous mode "SYNC" is shown on the display. The rear air conditioning system controls will not function. (→P. 247) NOTICE n To prevent battery discharge Do not leave the air conditioning system on longer than necessary when the engine is off. 3 Interior features 259