Toyota Prius Owner's Manual page 517

Warning message
(Flashes)
PRIUS_OM_OM47A19E_(EE)
Details
The hybrid system has over-
heated.
This message may be dis-
played when driving under
severe operating conditions,
and the output of the hybrid
system may temporarily
decrease in order to protect
the system. (For example,
when driving up a long steep
hill or driving up a steep hill in
reverse.)
The hybrid battery (traction
battery) is low.
A buzzer also sounds.
5-2. Steps to take in an emergency
Correction
procedure
Stop and check.
(P. 578)
When stopping the
vehicle for a long
period of time, shift
the shift position to
P. The hybrid bat-
tery (traction bat-
tery) cannot be
charged with the
shift position in N.
5
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