Toyota PRIUS ALPHA 2012 Quick Reference Manual page 533

5-2. Steps to take in an emergency
Interior Exterior
buzzer buzzer
Once 3 times
Contin-
⎯
uous
518
Warning message
(Flashes)
(Flashes)
Details
An open door
other than the
driver's door is
closed while the
electronic key is
outside the
detection range
and the
"POWER"
switch is in
ACCESSORY
or ON mode
with the shift
position in P.
The driver's
door has been
opened with the
shift position in
a position other
than P and with-
out first turning
the "POWER"
switch is OFF.
Correction
procedure
Turn the
"POWER"
switch to
OFF or
confirm
the loca-
tion of the
electronic
key.
Shift the
shift posi-
tion to P.