Toyota Sienna 2010 Owner's Manual page 255

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