display TOYOTA PRIUS 2017 4.G Owners Manual

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6117-3. Do-it-yourself maintenance
7
Maintenance and care
■When initialization of the tire pressure warning system has failed
Initialization can be completed in a few minutes. However, in the following
cases, the settings have not been recorded and the system will not oper-
ate properly. If repeated attempts to record tire inflation pressure settings
are unsuccessful, have the vehicle inspected by your Toyota dealer.
●When operating the initialization of th e system, the tire pressure warning
light does not flash 3 times and the setting message does not appear on
the multi-information display.
●After driving for a certain period of time since the initialization has been
completed, the warning light comes on after blinking for 1 minutes.
■Certification for the tire pressure warning system
For vehicles sold in the U.S.A. , Hawaii, American Samoa, Guam,
Saipan and Puerto Rico
FCC ID: PAXPMVC010
NOTE
This device complies with part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
FCC WARNING
Changes or modifications not expressl y approved by the party responsi-
ble for compliance could void the user ’s authority to operate the equip-
ment.
For vehicles sold in Canada
NOTE
Operation is subject to the following two conditions: (1) this device may
not cause interference, and (2) this device must accept any interference,
including interference that may cause undesired operation of the device.

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8When trouble arises
8-1. Essential informationEmergency flashers .......... 644
If your vehicle has to be stopped in an
emergency ...................... 645
8-2. Steps to take in an emergency
If your vehicle needs to be towed ......................... 646
If you think something is wrong .............................. 652
If a warning light turns on or a warning buzzer
sounds ............................ 653
If a warning message is displayed......................... 663
If you have a flat tire (vehicles with
spare tire)........................ 670
If you have a flat tire (vehicles without
spare tire)........................ 684
If the hybrid system will not start ........................... 703
If the electronic key does not operate properly........ 705
If the 12-volt battery is discharged ...................... 708
If your vehicle overheats ... 714
If the vehicle becomes stuck ............................... 719

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8-2. Steps to take in an emergency
If your vehicle needs to be towed
In the following situations, it is not possible to be towed by another
vehicle using cables or chains, as the front wheels may be locked due
to the parking lock. Contact your Toyota dealer or commercial towing
service.
●There is a malfunction in the shift control system. ( →P. 228, 669)
● There is a malfunction in the immobilizer system. ( →P. 89)
● There is a malfunction in the smart key system. ( →P. 705)
● The 12-volt battery is discharged. ( →P. 708)
The following may indicate a problem with your hybrid transmission.
Contact your Toyota dealer or commercial towing service before tow-
ing.
● The hybrid system warning messa ge is displayed and the vehicle
does not move.
● The vehicle makes an abnormal sound.
If towing is necessary, we re commend having your vehicle
towed by your Toyota dealer or commercial towing service,
using a wheel-lift type truck or flatbed truck.
Use a safety chain system for all towing, and abide by all state/
provincial and local laws.
Situations when it is not possibl e to be towed by another vehicle
Situations when it is necessary to contact dealers before towing

6568-2. Steps to take in an emergency
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Seat belt reminder light (warning buzzer)*4
Warns the driver and/or front passenger to fasten their
seat belts
→ Fasten the seat belt.
If the front passenger’s seat is occupied, the front
passenger’s seat belt also needs to be fastened to
make the warning light (warning buzzer) turn off.
Rear passengers’ seat belt reminder lights (warning
buzzer) (U.S.A. only)
*5
Warns the rear passengers to fasten their seat belts
→ Fasten the seat belt.
Master warning light
A buzzer sounds and the warning light comes on and
flashes to indicate that the master warning system has
detected a malfunction.
→ P. 663
Tire pressure warning light
When the light comes on:
Low tire inflation pressure such as
• Natural causes ( →P. 659)
• Flat tire ( →P. 670, 684)
→ Adjust the tire inflation pressure to the specified
level.
The light will turn off af ter a few minutes. In case
the light does not turn off even if the tire inflation
pressure is adjusted, have the system checked by
your Toyota dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system
( → P. 659)
→ Have the system checked by your Toyota dealer.
Brake Override System /Drive-Start Control/
Intelligent Clearance Sonar (symbol display)
*6
Indicates that:
• The Brake Override System is operating;
• The Brake Override System is malfunctioning;
• The Drive-Start Control is operating;
• The Drive-Start Control is malfunctioning; or
• The Intelligent Clearance Sonar (if equipped) is operat-
ing ( →P. 350)
→ Follow the instruction that are displayed on the multi-
information display.
Warning lightWarning light/Details/Actions

6578-2. Steps to take in an emergency
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8
When trouble arises
*1: Brake system warning buzzer:When there is a possible problem that could affect braking performance,
the warning light will come on and a warning buzzer will sound.
*2: Low engine oil pressure warning buzzer: A buzzer also sounds continuously for approximately 30 seconds at maxi-
mum in addition to the low engine oil pressure warning light when the
“READY” indicator is illuminated.
*3: Open door warning buzzer: The open door warning buzzer sounds to alert one or more of the doors is
not fully closed (with the vehicle having reached a speed of 3 mph [5 km/h]).
*4: Driver and front passenger’s seat belt warning buzzer:
The driver’s seat belt warning buzzer sounds to alert the driver that his or
her seat belt is not fastened. Once the power switch is turned to ON mode,
the buzzer sounds for 6 seconds. If the vehicle reaches a speed of 12 mph
(20 km/h), the buzzer sounds once. If the seat belt is still unfastened after
24 seconds, the buzzer will sound intermittently for 6 seconds. Then, if the
seat belt is still unfastened, the buzzer will sound in a different tone for 90
more seconds.
The front passenger’s seat belt warning buzzer sounds to alert the front
passenger that his or her seat belt is not fastened. The buzzer sounds
once if the vehicle reaches a speed of 12 mph (20 km/h). If the seat belt is
still unfastened after 24 seconds, the buzzer will sound intermittently for 6
seconds. Then, if the seat belt is still unfastened, the buzzer will sound in a
different tone for 90 more seconds.
*5: Rear passengers’ seat belt warning buzzer:The rear passengers’ seat belt warning buzzer sounds to alert the rear
passengers that his or her seat belt is not fastened. The buzzer sounds
intermittently for 6 seconds after the vehicle reaches a speed of 12 mph
(20 km/h). Then, if the seat belt is still unfastened, the buzzer will sound in
a different tone for 24 more seconds.
*6: This symbol is displayed on the multi-information display.
(If equipped)
LDA (Lane Departure Alert with steering control) system
(symbol display)
*6
Indicates that the LDA (Lane Departure Alert with steering
control) system has determined that the driver does not
have their hands on the steering wheel while the steering
control function is on
→ Firmly hold the steering wheel.
(Canada only)
Low engine oil pressure warning (symbol display)*6
Indicates that the engine oil pressure is too low
→ Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
Warning lightWarning light/Details/Actions

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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
Handling method
Follow the instructions of the mes-
sage on the multi-information dis-
play.
If any of the warning messages are shown again after the following
actions have been performed, contact your Toyota dealer.
*: The master warning light may not come on or flash when a warning mes-
sage is displayed.
The multi-information display shows warnings of system mal-
functions, incorrectly performe d operations, and messages that
indicate a need for maintenance. When a message is shown,
perform the correction procedur e appropriate to the message.
1
2
3

6648-2. Steps to take in an emergency
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The warning lights and warning buzzers operate as follows depending
on the content of the message. If a message indicates the need for
inspection by a dealer, have the vehicle inspected by your Toyota
dealer immediately.
The operation of the warning lights and warning buzzers may differ
from those state. In this case, perform the correction procedure
according to the displayed message.
*: A buzzer sounds the first time a message is shown on the multi-informa- tion display.
Messages and warnings
System
warning lightWarning
buzzer
*Warning
Comes on⎯Sounds
Indicates an important situation, such
as when a system related to driving is
malfunctioning or that danger may
result if the correction procedure is not
performed
⎯Comes on or flashesSounds
Indicates an important situation, such
as when the systems shown on the
multi-information display may be mal-
functioning
Flashes⎯Sounds
Indicates a situation, such as when
damage to the vehicle or danger may
result
Comes on⎯Does not sound
Indicates a condition, such as mal-
function of electrical components, their
condition, or indicates the need for
maintenance
Flashes⎯Does not
sound
Indicates a situation, such as when an
operation has been performed incor-
rectly, or indicates how to perform an
operation correctly

6658-2. Steps to take in an emergency
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8
When trouble arises
■Warning messages
The warning messages explained below may differ from the actual messages
according to operation conditions and vehicle specifications.
■ System warning lights
The master warning light does not come on or flash in the following cases.
Instead, a separate system warning light will come on along with a message
shown on the multi-information display.
●“Antilock Brake System Malfunction Visit Your Dealer”:
The ABS warning light comes on. ( →P. 654)
● “Braking Power Low Visit Your Dealer”:
The brake system warning light (yellow) will come on. ( →P. 653)
● Indicates that a door is not fully closed while the vehicle is stopped.:
The Open door warning light comes on. ( →P. 655)
■ If “Visit Your Dealer” is shown
The system or part shown on the multi-information display is malfunctioning.
Have the vehicle inspected by your Toyota dealer.
■ If a message about an operation is shown
●If a message about an operation of the accelerator pedal or brake pedal is
shown
A warning message about an operation of the brake pedal may be shown
while the driving assist systems such as PCS (Pre-Collision System) (if
equipped) or the dynamic radar cruise control with full-speed range (if
equipped) is operating. If a warning message is shown, be sure to deceler-
ate the vehicle or follow an instruction shown on the multi-information dis-
play.
● A warning message is shown when Drive-Start Control, Brake Override Sys-
tem or Intelligent Clearance Sonar (if equipped) operates ( →P. 209, 210,
350). Follow the instructions on the multi-information display.
● If a message about an operation of the power switch is shown
An instruction for operation of the power switch is shown when the incorrect
procedure for starting the hybrid system is performed or the power switch is
operated incorrectly. Follow the instructions shown on the multi-information
display to operate the power switch again.
● If a message about a shift operation is shown
To prevent the shift position from being selected incorrectly or the vehicle
from moving unexpectedly, the shift position may be changed automatically
(→P. 236) or operating the shift lever or P position switch may be required.
In this case, change the shift position following the instructions on the multi-
information display.
● If a message or image about an open/close state of a part or replenishment
of a consumable is shown
Confirm the part indicated by the multi-information display or a warning light,
and then perform the coping method such as closing the open door or
replenishing a consumable.

6678-2. Steps to take in an emergency
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8
When trouble arises
■If “Shift System Malfunction See Owner’s Manual” is shown
Indicates a malfunction in the shift control system. Immediately have the sys-
tem inspected by your Toyota dealer.
The system may not operate properly.
■ If “Low 12-Volt Battery Apply Parking Brake Securely While Parking See
Owner’s Manual” is shown
Indicates that the 12-volt battery charge is insufficient. Charge or replace the
12-volt battery.
●When the message is shown, the hybrid system may not start or the shift
position may not be changed normally. (Coping method: →P. 669)
● After charging the 12-volt battery, the message may not go off until the shift
position is changed from P.
■ If “Shifting Unavailable Low 12-Volt Battery See Owner’s Manual” is
shown
Indicates that the shift position cannot be changed because the voltage of the
12-volt battery drops. Charge or replace the 12-volt battery.
(Coping method in the case the 12-volt battery is discharged: →P. 708)
■ If “Hybrid System Overheated. Re duced Output Power.” is shown
The message may be shown when driving under severe operating conditions.
(For example, when driving up a long steep hill or driving up a steep hill in
reverse.)
Coping method: →P. 714
■ If “Maintenance required for Traction battery cooling parts See owner’s
manual” is shown
The cooling air intake vent and filter may be clogged, the cooling air intake
vent may be blocked, or there may be a gap in the duct.
● If the air intake vent is dirty, refer to P. 573 for information on how to clean
the air intake vent.
● If the warning message is shown when the air intake vent is not dirty, have
the vehicle inspected by your Toyota dealer.
■ If “Hybrid Battery Low. Shift Ou t of to Recharge.” is shown
Message is displayed when the remaining charge for the hybrid battery (trac-
tion battery) is low.
As the hybrid battery (traction battery) can not be charged when the shift
position is in N, when stopped for long periods of time shift the shift position to
P.
■ If “Hybrid Battery Low Hybrid Syst em Stopped Shift to and Restart”
is shown
Message is displayed when the remaining charge for the hybrid battery (trac-
tion battery) is low, because vehicle has been shifted to N for a long period of
time.
When operating the vehicle, shift to P and restart the hybrid system.

6688-2. Steps to take in an emergency
PRIUS_OM_OM47B54U_(U)■
If “Shift to Position When Parked” is shown
Message is displayed when the driver’s door is opened without turning the
power switch to off with the shift position in any position other than P.
Shift the shift position to P.
■ If “Shift is in Release Acceler ator Before Shifting” is shown
Message is displayed when the accelerator pedal has been depressed and
the shift position is in N.
Release the accelerator pedal and shift the shift position to D or R.
■ If “Depress Brake When Vehicle is Stopped. Hybrid System may Over-
heat.” is shown
The message may be shown when the accelerator pedal is depressed to hold
the vehicle while the vehicle is stopped on an uphill, etc.
The hybrid system may overheat. Release the accelerator pedal and depress
the brake pedal.
■ If “Auto Power OFF to Conserve Battery” is shown
The power switch has been turned off by the automatic power off function.
When starting the hybrid system next time, operate the hybrid system for
approximately 5 minutes to recharge the 12-volt battery.
■ If “Forward Camera System Unavaila ble” or “Forward Camera System
Unavailable Clean Windshield” is displayed. *
The following systems may be suspended until the problem shown in the
message is resolved.
● PCS (Pre-Collision System)
*
●LDA (Lane Departure Alert with steering control)*
●Dynamic radar cruise control with full-speed range*
●Automatic High Beam*
*
: If equipped
■ If “Maintenance Required Soon” is displayed (U.S.A. only)
Indicates that all maintenance according to the driven distance on the mainte-
nance schedule
* should be performed soon.
Comes on approximately 4500 miles (7200 km) after the message has been
reset.
If necessary, perform maintenance. Please reset the message after the main-
tenance is performed. ( →P. 578)
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s Manual
Supplement” for the maintenance interval applicable to your vehicle.