Toyota 2013 Prius Owner's Manual page 614

5-2. Steps to take in an emergency
If the electronic key does not operate properly
If communication between the electronic key and vehicle is inter-
rupted (→P. 119) or the electronic key cannot be used because the
battery is depleted, the smart key system and wireless remote con-
trol cannot be used. In such cases, the doors can be opened and the
hybrid system can be started by following the procedure below.
Locking and unlocking the doors
PRIUS PHV_OM_OM47787U_(U)
Use the mechanical key (→P. 105)
in order to perform the following
operations:
Locks all the doors
Unlocks the door
Turning the key rearward unlocks
the driver's door. Turning the key
ITO52P121
once again within 3 seconds
unlocks the other doors.
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