display TOYOTA PRIUS V 2018 Owners Manual

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)

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.

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)

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.

4998-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
8
When trouble arises
*: For the EV drive mode operating conditions (P. 173).
Indicates that the EV drive mode has been auto-
matically canceled
*
The reason the EV drive mode is not available
(the battery charge is low, speed is higher than
the EV drive mode operating speed range,
accelerator pedal is depressed too much) may
be displayed.
A buzzer also sounds.
 Drive the vehicle for a while.
Indicates that the LDA (Lane Departure Alert with
steering control) system cannot be used as the
vehicle speed is approximately 32 mph (50 km/h)
or less
Drive the vehicle at approximately 32 mph
(50 km/h) or more.
Indicates that LDA (Lane Departure Alert with
steering control) system cannot be used due to
the vehicle speed being too high
Slow down.
Displayed messageDetails/Actions
(Flashes
3 times)

5008-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
■Warning messages
The warning message illustrations used are intended as examples, and may
differ from the image that is actually displayed on the multi-information dis-
play.
■ Warning message in radar cruise mode
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 a very low speed
● Immediately after cruise control speed is set
● At the instant the accelerator pedal is depressed
■ Warning buzzer
P. 483

5028-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
Once3 times
The electronic key was carried
outside the vehicle and a door
other than the driver’s door was
opened and closed while the
power switch was in a mode
other than off.
Bring the electronic key
back into the vehicle.
The electronic key was carried
outside the vehicle and the
driver’s door was opened and
closed while the shift position P
was selected without turning off
the power switch.
Turn the power switch off.
 Bring the electronic key
back into the vehicle.
Once
Sounds
once for
5
seconds
An attempt was made to exit
the vehicle with the electronic
key and lock the doors without
first turning the power switch
off.
Turn the power switch off
and lock the doors again.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Displayed alternately)
(Flashes)

521
PRIUS v_OM_OM47B78U_(U)
8
When trouble arises
8-2. Steps to take in an emergency
If the electronic key does not operate
properly
Use the mechanical key (P. 111 )
in order to perform the following
operations:
Locks all the doors
Unlocks the door
Turning the key rearward unlocks
the driver’s door. Turning the key
once again within 3 seconds
unlocks the other doors.
Ensure that the shift position is in P and depress the brake pedal.
Touch the Toyota emblem side
of the electronic key to the
power switch.
When the electronic key is
detected, a buzzer sounds and the
power switch will turn to ON mode.
When the smart key system is
deactivated in customization set-
ting, the power switch will turn to
ACCESSORY mode.
Firmly depress the brake pedal and check that is shown on
the multi-information display.
If communication between the electronic key and vehicle is
interrupted ( P. 126) or the electronic key cannot be used
because the battery is depleted, the smart key system and
wireless remote control cannot be used. In such cases, the
doors can be opened and the hybrid system can be started by
following the procedure below.
Locking and unlocking the doors
1
2
Starting the hybrid system
1
2
3

528
PRIUS v_OM_OM47B78U_(U)
8-2. Steps to take in an emergency
If your vehicle overheats
■If the high coolant temperature warning light comes on or
flashesStop the vehicle in a safe place and turn off the air conditioning
system, and then stop the hybrid system.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the hybrid system has cooled down sufficiently, inspect the
hoses and radiator core (radiator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant
leaks, immediately contact
your Toyota dealer.
The following may indicate that your vehicle is overheating.● The high coolant temperature warning light ( P. 480) comes on
or flashes, or a loss of hybrid system power is experienced. (For
example, the vehicle speed does not increase.)
● The warning message indicating overheat is shown on the multi-
information display. ( P. 492)
● Steam comes out from under the hood.
Correction procedures
1
2
3
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2