TOYOTA 2010 Sienna - Manual (Page 415)

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3-7. Other interior features
3
Inte
rior fe
atures
NOTICE
■
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.
■
To prevent battery discharge
Turn the switches off when the engine is not running.