Toyota HIGHLANDER HYBRID 2011 Manual page 406

3-7. Other interior features
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The power outlet can be used when
12 V
Vehicles without smart key system:
The engine switch is in the "ACC" or "ON" position.
Vehicles with smart key system:
The "POWER" switch is in ACCESSORY or ON mode.
120 VAC
Vehicles without smart key system:
The engine switch is in the "ON" position.
Vehicles with smart key system:
The "POWER" switch is in ON mode.
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