Toyota 2014 Sienna Manual page 612

3-8. Other interior features
Power outlet socket luggage compartment
■
The power outlet can be used when
Vehicles without a smart key system
12 V: The engine switch is in the "ACC" or "ON" position.
120 V AC: The engine switch is in the "ON" position.
Vehicles with a smart key system
12 V: The "ENGINE START STOP" switch is in ACCESSORY or IGNITION
ON mode.
120 V AC: The "ENGINE START STOP" switch is in IGNITION ON mode.
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