Toyota Prius 2011 Manual page 66

1-3. Opening, closing and locking the doors and back door
Security feature
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If a door is not opened within approximately 60 seconds after the vehicle is
unlocked, the security feature automatically locks the vehicle again.
If the wireless remote control does not operate properly
■
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Locking and unlocking the doors: Use the mechanical key. (P. 549)
●
Starting the hybrid system: (P. 549)
When the electronic key battery is fully depleted
■
P. 469
Customization that can be configured at Toyota dealer
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Settings (e.g. 2-step unlocking function) can be changed. 
(Customizable features P. 596)
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