Toyota Prius Owner's Manual page 512

5-2. Steps to take in an emergency
Have the vehicle inspected immediately.
Failure to investigate the cause of the following warnings may lead to
the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional immedi-
ately.
Warning message
512
PRIUS_OM_OM47A19E_(EE)
Indicates a malfunction in the shift control system.
A buzzer also sounds.
In this situation, there is a possibility that the parking
lock mechanism will not work.
When parking, park the vehicle on a flat surface and
apply the parking brake securely. Also, it may not be
possible to turn the "POWER" switch off. If this hap-
pens, applying the parking brake will enable the
switch to be turned off.
Indicates a malfunction in the shift control system.
A buzzer also sounds.
• The parking lock mechanism may not function.
When parking, park the vehicle on a flat surface and
apply the parking brake securely.
• 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.
Details