Toyota 2014 Prius Manual page 82

1-3. Opening, closing and locking the doors
Antenna location and effective range
Antenna location
■
Effective range (areas within which the electronic key is
■
detected)
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PRIUS_OM_OM47857U_DVD_(U)
Antennas inside cabin
When starting the hybrid system
or changing "POWER" switch
modes
The system can be operated
when the electronic key is inside
the vehicle.