TOYOTA PRIUS V 2018 Owners Manual

4898-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
8
When trouble arises
Indicates a malfunction in the shift control systemIn 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 happens, applying the parking brake will
enable the switch to be turned off. A buzzer
also sounds.
 Have the vehicle inspected by your Toyota
dealer.
Indicates a malfunction in the hybrid system
A buzzer also sounds.
 Immediately stop the vehicle in a safe place
and contact your Toyota dealer.
Indicates that the hybrid battery (traction battery)
is low
A buzzer also sounds.
 When stopping the vehicle, shift the shift
position to P. The battery cannot be
charged with the shift position in N.
Indicates that the shift position was changed and
Drive-Start Control was operated while depress-
ing the accelerator pedal
A buzzer also sounds.
 Momentarily release the accelerator pedal.
Indicates that the LDA (Lane Departure Alert with
steering control) system has determined that the
driver does not have the hands on the steering
wheel while the steering control function is on
If the driver operates the steering wheel only a
small amount, the system may be unable to
detect the steering wheel operations and this
warning may be displayed.
 Firmly hold the steering wheel.
Warning messageDetails/Actions
(Flashes)
(Flashes)

4908-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
Indicates that steering control function is tempo-
rarily canceled due to the LDA (Lane Departure
Alert with steering control) system determining
that the driver does not have the hands on the
steering wheel while the steering control function
is onIf the driver operates the steering wheel only a
small amount, the system may be unable to
detect the steering wheel operations and this
warning may be displayed.
 Firmly hold the steering wheel.
Indicates that the radar sensor is dirty or covered
with ice
A buzzer also sounds.
 Clean the sensor.
Indicates that the dynamic radar cruise control
system cannot be used temporarily due to bad
weather
A buzzer also sounds.
 Use the radar cruise control system when it
becomes available again.
Indicates a malfunction in the dynamic radar
cruise control system
Press the “ON-OFF” button once to deactivate
the system, and then press the button again to
reactivate the system.
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer.
Indicates a malfunction in the LDA (Lane Depar-
ture Alert with steering control) system
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer.
Warning messageDetails/Actions
(Yellow)

4918-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
8
When trouble arises
The operation conditions of the camera sensor
(temperature, etc.) are not met.
When the operation co nditions of the cam-
era sensor (temperature, etc.) are met, the
following systems will become available.
• PCS (Pre-Collision System)
• LDA (Lane Departure Alert with steering con- trol) system
• Automatic High Beam
Indicates that the system is temporarily unavail-
able due to a malfunction in a sensor other than
the camera sensor A buzzer also sounds.
 Turn the LDA (Lane Departure Alert with
steering control) system off, wait for a little
while, and then turn the LDA (Lane Depar-
ture Alert with steering control) system
back on.
Dirt, rain, condensation, ice, snow, etc., are pres-
ent on the windshield in front of the camera sen-
sor.
The following systems will be temporarily unus-
able.
• PCS (Pre-Collision System)
• LDA (Lane Departure Alert with steering con-
trol) system
• Automatic High Beam
 Turn the system off, remove any dirt, rain,
condensation, ice, snow, etc., from the
windshield, and then turn the system back
on.
Indicates a malfunction in the pre-collision sys-
tem
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer immediately.
Warning messageDetails/Actions
(Yellow)
(Yellow)
(Yellow)

4928-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
Indicates an engine oil pressure malfunction A buzzer also sounds.
 Immediately stop the vehicle in a safe place
and contact your Toyota dealer.
Indicates a malfunction in the Drive-Start Control
system
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer immediately.
Indicates a malfunction in the brake override sys-
tem
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer immediately.
Indicates that the hybrid system has overheated
This message may be displayed when driving
under severe operating conditions, and the out-
put 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.)
A buzzer also sounds.
 Stop and check. ( P. 528)
Indicates a malfunction in the Automatic High
Beam
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer.
Indicates that the accelerator and brake pedals
are being depressed simultaneously, and the
brake override system is operating.
Release the accelerator pedal and depress
the brake pedal. ( P. 151)
Warning messageDetails/Actions

4938-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
8
When trouble arises
Warning messageDetails/Actions
The Automatic High Beam switch was pressed
with the low beam headlights turned on.
Turn the high beam headlights on before
pressing the Automatic High Beam switch.
Indicates that, since the VSC (Vehicle Stability
Control) system was turned off, the pre-collision
brake system operation is stopped
Turn the VSC on. ( P. 255)
Indicates that the PCS (Pre-Collision System) is
temporarily unavailable
When conditions improve, the system
resumes operation. If this item is displayed
continuously, have the vehicle inspected
by your Toyota dealer.
Indicates that the PCS (Pre-Collision System) is
temporarily unavailable
 When conditions improve, the system
resumes operation. If this item is displayed
continuously, have the vehicle inspected
by your Toyota dealer.
Indicates that part of the PCS (Pre-Collision Sys-
tem) sensor is dirty, covered with ice, etc.
 Remove any dirt, ice, etc.
Hybrid battery (traction battery) inspection or
replacement time.
Have the hybrid battery (traction battery)
inspected by your Toyota dealer immedi-
ately.

4948-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
Hybrid system restarting will soon be disabled.
If you continue to use the vehicle in this
state, you will soon become unable to
restart the hybrid system. 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.
An attempt was made to change the shift position
when the 12-volt battery voltage was low.
A buzzer also sounds.
 Maintain the hybrid system operation state
for approximately 15 minutes or more to
recharge the 12-volt battery.
 The hybrid system will not start: Start the
hybrid system by following the “If the
12-volt battery is discharged” procedure
(P. 523).
 The message appears frequently: The
12-volt battery may be deteriorating.
The 12-volt battery may be discharged if
this continues. Have the 12-volt battery
inspected at your Toyota dealer.
The shift lever and P position switch were repeat-
edly operated in quick succession.
A buzzer also sounds.
 Wait approximately 20 seconds and change
the shift position.
An attempt was made to change the shift position
to B when the shift position was P or N.
A buzzer also sounds.
 Change the shift position to D, and then
change the shift position to B.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)

4958-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
8
When trouble arises
An attempt was made to change the shift position
to R, D or B with the power switch on (READY
indicator turned off). A buzzer also sounds.
 After starting the hybrid system, change
the shift position to R, D or B
*.
*: When changing the shift position to B, first
change the shift position to D, and then
change the shift position to B.
An attempt was made to change the shift position
from P with the brake pedal released. A buzzer also sounds.
 When changing the shift position from P,
depress the brake pedal.
An attempt was made to change the shift position
to B when the shift position was R.
A buzzer also sounds.
The shift position automatically changed to N.
 Change the shift position to D, and then
change the shift position to B.
An attempt was made to change the shift position
to D while the vehicle was driven in reverse.
A buzzer also sounds.
The shift position automatically changed to N.
 Stop the vehicle, and then change the shift
position.
An attempt was made to change the shift position
to R while the vehicle was moving forward.
A buzzer also sounds.
The shift position automatically changed to N.
 Stop the vehicle, and then change the shift
position.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
(Flashes)
(Flashes)

4968-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
Indicates that the P position switch is pressed
while the vehicle is running.A buzzer also sounds.
The shift position automatically changed to N.
 To shift the shift position to P, stop the
vehicle completely and press the P posi-
tion switch.
 To continue driving, shift the shift position
to D or R.
Insufficient 12-volt battery charge
The parking lock mechanism may not function.
The hybrid system may not be able to start.
The power switch may not be able to be turned
off. In this case, the power switch may be
turned off by applying the parking brake.
After charging the 12-volt battery, the message
may continue to be displayed until the shift
position is changed from P.
A buzzer also sounds.
 When parking, choose a level location and
apply the parking brake securely.
 Maintain the hybrid system operation state
for approximately 15 minutes or more to
recharge the 12-volt battery.
 The hybrid system will not start: Start the
hybrid system by following the “If the
12-volt battery is discharged” procedure
(P. 523).
 If the message does not disappear: The
12-volt battery may be deteriorating.
The 12-volt battery may be discharged if
this continues. Have the 12-volt battery
inspected at your Toyota dealer.
Shift control system malfunction
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer.
• The hybrid system may not be able to start.
• The parking lock mechanism may not func- tion. When parking, choose a level location
and apply the parking brake securely.
• The power switch may not be able to be
turned off. In this case, the power switch
may be turned off by applying the parking
brake.
Warning messageDetails/Actions
(Flashes)

4978-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
8
When trouble arises
Shift control system malfunction A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer immediately. If not inspected, vehi-
cle systems may stop operating normally.
Shift control system communication malfunction
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer.
• The hybrid system may not be able to start.
• May not be switched to the P position. When parking, choose a level location and
apply the parking brake securely.
• The automatically P position selection func- tion ( P. 178) may not function. Before
turning the power switch off, securely press
the P position switch, and be sure to check
that the shift position is in P by verifying the
shift position or P position switch operation
indicator lights.
• The power switch may not be able to be
turned off. In this case, the power switch
may be turned off by applying the parking
brake.
(If equipped)
Indicates a malfunction in the LED headlight sys-
temA buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer.
Warning messageDetails/Actions
(Turns on or
Flashes)

4988-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
Carrying out the corresponding action turns the messages off.
Other displayed messages
Displayed messageDetails/Actions
Maintenance of the hybrid battery (traction bat-
tery) cooling component is requiredThe filter may be clogged, the air intake vent
may be blocked or there may be a gap in the
duct.
 Have maintenance performed on the hybrid
battery (traction battery) cooling compo-
nent at your Toyota dealer.
Indicates that the EV drive mode is not available*
The reason the EV drive mode is not available
(the vehicle is idling, battery charge is low,
speed is higher than the EV drive mode operat-
ing speed range, accelerator pedal is
depressed too much) may be displayed.
A buzzer also sounds.
 Use the EV drive mode when it becomes
available.