Toyota 2014 Sienna Manual page 92

1-2. Opening, closing and locking the doors
CAUTION
●
In the following situations, the power back door may detect an abnormality
and automatic operation may be stopped. In this case, the back door has
to be operated manually. Take extra care when on an incline, as the back
door may open or close abruptly.
• When the back door contacts an obstacle
• Vehicles without a smart key system:
When the battery voltage suddenly drops, such as when the engine
switch is turned to the "ON" position or the engine is started during
automatic operation
Vehicles with a smart key system:
When the battery voltage suddenly drops, such as when the "ENGINE
START STOP" switch is turned to the IGNITION ON mode or the
engine is started during automatic operation
●
If a bicycle carrier or similar heavy object is attached to the back door, the
power back door may not operate, causing itself to malfunction, or the
back door may suddenly shut again after being opened, causing some-
one's hands, head or neck to be caught and injured. When installing an
accessory part to the back door, using a genuine Toyota part is recom-
mended.
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