2018 TOYOTA PRIUS V Owners Manual

487
PRIUS v_OM_OM47B78U_(U)
8
When trouble arises
8-2. Steps to take in an emergency
If a warning message is displayed
Master warning light
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.
Multi-information display
If any of the warning lights come on again after the following actions
have been performed, contact your Toyota dealer.
If a warning is shown on the multi-information display, stay calm
and perform the following actions:
1
2

4888-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
Warning message and warning buzzer list
Warning messageDetails/Actions
Indicates that:
• There is a high possibility of a frontal collision;
or
• The pre-collision braking function is operatingA buzzer also sounds.
 Slow the vehicle by applying the brakes.
Indicates that your vehicle is nearing the vehicle
ahead (in vehicle-to-vehicle distance control
mode)
A buzzer also sounds.
 Slow the vehicle by applying the brakes.
Indicates that the vehicle has deviated from the
lane (while the LDA [Lane Departure Alert with
steering control] system is operating)
The lane line on the side the vehicle has devi-
ated from flashes in amber.
A buzzer also sounds.
 Check around the vehicle and back to
inside of the lane lines.
Indicates that the accelerator pedal is depressed
while the shift position is in N
A buzzer also sounds.
 Release the accelerator pedal and shift the
shift position to D or R.
Indicates that 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 accelerator pedal and depress
the brake pedal.
Indicates that the hybrid battery (traction battery)
power has dropped because a certain period of
time has elapsed after shifting the shift position to
N
A buzzer also sounds.
 Restart the hybrid system when starting
the vehicle.
(Yellow)
(Flashes)
(Flashes)
(Flashes)
(Flashes)

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)