Toyota 2008 Prius Quick Reference Manual page 456

5-2. Steps to take in an emergency
Warning light
(U.S.A.)
* 1
1
*
:This warning light is displayed on the touch screen.
2
*
:Open door warning buzzer:
430
PRIUS_U_(L/O_0802)
Warning light/Details
Engine oil replacement
reminder light
Illuminates for about 3 sec-
onds and then flasher for
about 15 seconds:
Engine oil is scheduled to
be changed.
Comes on and remains:
Engine oil should be
changed.
Hybrid battery warning
light
The hybrid battery voltage
drops when the transmis-
sion is left in "N" position.
The hybrid battery is dis-
charged.
High coolant temperature
warning light
Indicates high engine cool-
ant temperature
Master warning light
A buzzer sounds and the
warning light comes on
and flashes to indicate that
the master warning system
has detected a malfunc-
tion.
Correction procedure
Check and the engine oil,
and change if necessary.
Check and change the
engine oil.
Push the "P" position
switch.
If this light comes on with
the "READY" light on in this
case, have the system
checked by your Toyota
dealer.
→P. 456
Take appropriate action in
accordance with the mes-
sage displayed on the multi-
information display.