Toyota 2015 Prius Owner's Manual page 530

5-2. Steps to take in an emergency
Have the malfunction repaired immediately.
If any of the following warnings is displayed when a hybrid system
start operation is performed, perform the appropriate action accord-
ing to the warning message display.
Warning message
530
PRIUS_OM_OM47A17U_DVD_(U)
Details
Indicates an insufficient 12-volt
battery charge.
A buzzer also sounds.
• The parking lock mechanism
may not function.
• The hybrid system may not
be able to start.
• It may not be possible to turn
the "POWER" switch off.
If this happens, applying the
parking brake will enable the
switch to be turned off.
I n f o r ma t i o n P r o v i d e d b y :
Correction
procedure
When parking, park
the vehicle on a flat
surface and apply
the parking brake
securely.
Charge or replace
the 12-volt battery.
After charging the
12-volt battery, the
message may con-
tinue to be dis-
played until the
shift position is
changed from P.