Toyota Prius 2011 Manual page 48

1-2. Key information
Switching the door unlock function
■
It is possible to set which doors the entry function unlocks.
STEP 1
Turn the "POWER" switch OFF.
STEP 2
When the indicator on the key surface is turned off, push and hold
or
ton on the key.
The setting changes each time an operation is performed, as shown below.
(When changing the setting continuously, release the buttons, wait for at
least 5 seconds, and repeat
Multi-information
display
48
for approximately 5 seconds while pushing the
STEP 2
.)
Unlocking doors
Hold the driver's door 
handle to unlock only the
driver's door.
Hold the passenger's door
handle or back door
opener to unlock all the
doors.
Hold the front door handle
or back door opener to
unlock all the doors.
but-
Beep
Exterior: Beeps three
times
Interior: Pings once
Exterior: Beeps twice
Interior: Pings once