Toyota Prius 2011 Manual page 526

5-2. Steps to take in an emergency
Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem,
check that the warning message and light turn off.
Interior Exterior
buzzer buzzer

Once
Once 3 times
526
Warning message
(Comes on for 10 seconds.)
(Flashes)
(Flashes)
Correction
Details
procedure
The electronic
Confirm
key is not
the loca-
detected when
tion of the
attempting to
electronic
start the hybrid
key.
system.
An open door
other than the
driver's door is
closed while the
Confirm
electronic key is
the loca-
outside the
tion of the
detection range
electronic
and the
key.
"POWER"
switch is in
ACCESSORY
or ON mode.