2012 TOYOTA PRIUS PLUG-IN Owners Manual

546
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
If a warning message is displayed
If a warning is shown on the multi-information display, stay calm and
perform the following actions:
Master warning light
Multi-information display
The master warning light also
comes on or flashes in order to
indicate that a message is cur-
rently being displayed on the
multi-information display.
If any of the warning light turns on again after performing the fol-
lowing actions, contact your Toyota dealer.

5
When trouble arises
547
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
Stop the vehicle immediately.
A buzzer sounds and a warning message is shown on the multi-infor-
mation display. The following warnings indicate the possibility of dam-
age to the vehicle that may lead to an accident. Immediately stop the
vehicle in a safe place and contact your Toyota dealer.
Warning messageDetails
(U.S.A.)
(Canada)
Indicates an abnormal engine oil pressure.
The warning light may turn on if the engine oil pres-
sure is too low.
Indicates a malfunction in the hybrid system.

548
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
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 your Toyota dealer immediately.
Warning messageDetails
(If equipped)
Indicates a malfunction in the LED headlight system.
Indicates a malfunction in the P position control sys-
tem.
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.
(Flashes)
(If equipped)
Indicates a malfunction in the pre-collision system.
A buzzer also sounds.

5
When trouble arises
549
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
Warning messageDetails
(Flashes)
(If equipped)
Indicates a malfunction in the radar cruise control sys-
tem.
A buzzer also sounds.
Press the “ON-OFF” button once to deactivate the
system, and then press the button again to reacti-
vate the system.
Hybrid battery (traction battery) inspection or replace-
ment time.
Have the hybrid battery (traction battery) inspected
by your Toyota dealer immediately.
Hybrid system restarting will soon be disabled.
A buzzer also sounds.
If you continue to use the vehicle in this state, you
will soon become unable to restart the hybrid sys-
tem. Have the hybrid battery (traction battery)
inspected by your Toyota dealer immediately.
Indicates that restarting of the hybrid system is not
possible.
Contact your Toyota dealer immediately.

550
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
Follow the correction procedures.
After taking the specified steps to correct the suspected problem,
check that the warning message turns off.
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s Manual
Supplement” for the maintenance interval applicable to your vehicle.
Warning messageDetailsCorrection
procedure
(U.S.A. only)
Indicates that all maintenance
according to the driven dis-
tance on the maintenance
schedule* should be per-
formed soon.If necessary, per-
form maintenance.
Comes on approximately 4500
miles (7200 km) after the main-
tenance data has been reset.
(U.S.A. only)
Indicates that all maintenance
is required to correspond to
the driven distance on the
maintenance schedule*.
Perform the neces-
sary maintenance.
Please reset the
maintenance data
after the mainte-
nance is per-
formed. (→P. 4 3 2 )
Comes on approximately 5000
miles (8000 km) after the main-
tenance data has been reset.
(The indicator will not work
properly unless the mainte-
nance data has been reset.)

5
When trouble arises
551
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
Warning messageDetailsCorrection
procedure
(If equipped)
•Indicates that the pre-collision
system is not currently func-
tional because the grille or the
sensor is dirty.
•This message also appears
when the pre-collision system
is not functional due to over-
heating.
•Check the grille
and the sensor and
clean them if they
are dirty.
•In case of over-
heating, the system
will become func-
tional once the sys-
tem cools down.
(Flashes)
(If equipped)
Indicates that the radar cruise
control sensor is dirty or cov-
ered with ice.
Clean the sensor.
(Flashes)
(If equipped)
Indicates that the radar cruise
control system is unable to
judge vehicle-to-vehicle dis-
tance.
If the windshield
wipers are on, turn
them off or set
them to either the
intermittent or the
slow mode.

552
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
Warning messageDetailsCorrection
procedure
(Flashes
rapidly)
(If equipped)
Indicates that there is a high
risk of a collision, or that the
pre-collision braking function is
operating.
A buzzer also sounds.
At the same time,
will appear on the head-up
display (the image flashes).
Slow the vehicle by
applying the
brakes.
(If equipped)
Indicates that there is a high
possibility of a collision.
Slow the vehicle by
applying the
brakes.
(If equipped,
flashes)
Indicates that your vehicle is
nearing the vehicle ahead (in
radar cruise mode).
A buzzer also sounds.
At the same time,
will appear on the head-up
display (the image flashes).
Slow the vehicle by
applying the
brakes.
The hybrid system has over-
heated.
A buzzer also sounds.
This message may be dis-
played when driving under
severe operating conditions.
(For example, when driving
up a long steep hill.)
Stop and check.
(→P. 6 0 0 )

5
When trouble arises
553
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
Warning messageDetailsCorrection
procedure
(Flashes)
The hybrid battery (traction
battery) is low.
A buzzer also sounds.
When stopping the
vehicle for a long
period of time, shift
the shift position to
P. T h e h y b r i d b a t -
tery (traction bat-
tery) cannot be
charged with the
shift position in N.
(Flashes)
The hybrid battery (traction
battery) power has dropped
because a long period of time
has elapsed after shifting the
shift position to N.
A buzzer also sounds.
Restart the hybrid
system when start-
ing the vehicle.
(Flashes)
The transmission is out of P
when attempting to start the
hybrid system.
Shift the shift posi-
tion to P before
pressing the
“POWER” switch.
(Flashes)
The driver’s door is opened
when the shift position is in N,
D or B with the hybrid system
on.
Shift the shift posi-
tion to P.