2014 TOYOTA PRIUS PLUG-IN HYBRID warning

556 5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47856U_(U)
Warning messageDetailsCorrection procedure
(Flashes) Indicates that the accelerator
pedal is depressed while the
shift position is in N.
A buzzer also sounds. Release the accel-
erator pedal and
shift the shift posi-
tion to D or R.
(Flashes) Pressed the P position switch
while the vehicle is running.
The shift position automati-
cally changed to N. To shift the shift
position to P, stop
the vehicle com-
pletely and press
the P position
switch.
(Flashes) The accelerator pedal is
depressed to stop the vehicle
on an upward slope etc.
A buzzer also sounds.
If this continues, the hybrid
system may overheat. Release the accel-
erator pedal and
depress the brake
pedal.

5
When trouble arises
557
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47856U_(U)
*1: For EV mode operating conditions, see P. 40.
*2: If EV mode has been canceled because of insufficient hybrid battery (trac-
tion battery) charge, a warning message will not be shown on the multi-
information display and the buzzer will not sound.
Warning messageDetailsCorrection procedure
EV mode cannot be switched
to.
*1
A buzzer also sounds.
The reason why EV mode
cannot be used is shown
(may not be shown in some
instances.) Use the EV mode
when it becomes
available.
*2
(Flashes
3 times)EV mode has been automati-
cally canceled.
*1
A buzzer also sounds.*2
The reason why EV mode
cannot be used is shown.
Use EV mode after
making it avail-
able, for example
by lowering the set
temperature of the
heater.
The fuel filler door has been
left open. Tighten the fuel
tank cap and close
the fuel filler door.
The charging port lid is open. Close the charging
port lid.

558 5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47856U_(U)
■Warning message in radar cruise mode (if equipped)
In the following cases, the warning message may not be displayed even if
vehicle-to-vehicle distance decreases:
●When your vehicle and the vehicle ahead are traveling at the same
speed or the vehicle ahead is traveling more quickly than your vehicle.
● When the vehicle ahead is traveling at very low speed.
● Immediately after cruise control speed is set.
● At the instant the accelerator pedal is depressed.

5
When trouble arises
559
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47856U_(U)
Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem,
check that the warning message and light turn off.
InteriorbuzzerExterior buzzerWarning messageDetailsCorrection procedure
Once 
(Comes on for 15 seconds.)
(Flashes) The electronic
key is not
detected when
attempting to
start the hybrid
system.
Confirm
the loca-
tion of the
electronic
key.
Once 3 times (Flashes)An open door
other than the
driver’s door is
closed while the
electronic key is
outside the
detection range
and the
“POWER”
switch is in
ACCESSORY
or ON mode.
Confirm
the loca-
tion of the
electronic
key.

560 5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47856U_(U)
InteriorbuzzerExterior buzzerWarning messageDetailsCorrection procedure
Once 3 times (Flashes)The driver’s
door is opened
and closed
while the elec-
tronic key is out-
side the
detection range
and the
“POWER”
switch is in
ACCESSORY
or ON mode
with the shift
position in P. Turn the
“POWER”
switch to
OFF or
confirm
the loca-
tion of the
electronic
key.
Contin-
uous 
(Flashes)The driver’s
door has been
opened with the
shift position in
a position other
than P and with-
out first turning
the “POWER”
switch is OFF.
Shift the
shift posi-
tion to P.

5
When trouble arises
561
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47856U_(U)
Interior
buzzerExterior buzzerWarning messageDetailsCorrection procedure
Once Contin-
uous
(Displayed alternately)(Flashes) The electronic
key has been
taken outside
the vehicle and
the doors have
been locked
without first
turning the
“POWER”
switch to OFF.
(vehicles with
entry function)
Turn the
“POWER”
switch to
OFF and
lock the
doors
again.

562 5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47856U_(U)
InteriorbuzzerExterior buzzerWarning messageDetailsCorrection procedure
Once Contin-
uous
(Flashes)An attempt to
lock the doors
has been made
using the smart
key system
while the elec-
tronic key is
inside the vehi-
cle. (vehicles
with entry func-
tion)
Take the
electronic
key out-
side the
vehicle,
and lock
the doors
again.
With the key
inside the vehi-
cle, a front door
has been
opened, the
lock lever has
been pulled in
the lock direc-
tion, the door
has been
closed and an
attempt has
been made to
lock the door.

5
When trouble arises
563
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47856U_(U)
Interior
buzzerExterior buzzerWarning messageDetailsCorrection procedure
Contin-
uous Contin-
uous
(Displayed alternately)(Flashes) The driver’s
door is opened
and closed
while the elec-
tronic key is out-
side the
detection range
and the
“POWER”
switch is in
ACCESSORY
or ON mode
with the shift
position not in P.
• Shift the
shift posi-
tion to P.
• Confirm the loca-
tion of the
electronic
key.
Once 
(Comes on for 15 seconds.)
The electronic
key battery is
low. Replace
the bat-
tery.
(
P. 496)
Once 
(Flashes)An open door
has been
closed and the
“POWER”
switch has been
turned twice to
the ACCES-
SORY mode
from OFF. Press the
“POWER”
switch
while
applying
the
brakes.