TOYOTA 2012 Matrix - Manual (Page 294)

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3-7. Other interior features
Power outlet
∗
■
The power outlet can be used when
12 V
The engine switch is in the “ACC” or “ON” position.
115 V
The engine switch is in the “ON” position.
The power outlet can be used for a following component.
12 V: Accessories that run on less than 10 A.
115 V: Accessories that uses less than 100 W.
Type A (12 V)
Type B (115 V)
∗
: If equipped