2022 TOYOTA PRIUS warning

PRIUS_OM_OM47F01U_(U)
5496-3. Do-it-yourself maintenance
6
Maintenance and care
■Scheduled maintenance of the air intake vent is necessary when
In some situations such as when the vehicle is used frequently or in heavy
traffic or dusty areas, the air intake vent may need to be cleaned more regu-
larly. For details, refer to the “Scheduled Maintenance Guide” or “Owner’s
Manual Supplement”.
■ Cleaning the air intake vent
●Dust in the air intake vent may interfere with the cooling of t he hybrid battery
(traction battery). If charging/discharging of the hybrid battery (traction bat-
tery) becomes limited, the distance that the vehicle can be driven using the
electric motor (traction motor) may be reduced and the fuel economy may
be reduced. Inspect and clean the air intake vent periodically.
● Improper handling of the air intake vent cover and filter may result in dam-
age to them. If you have any concerns about cleaning the filter, contact your
Toyota dealer.
■ If “Maintenance Required for Traction Battery Cooling Parts See Owner’s
Manual” is shown on the mu lti-information display
● If this warning message is shown on the multi-information displ ay, remove
the air intake vent cover and clean the filter. ( P. 546)
● After cleaning the air intake vent, start the hybrid system and check that the
warning message is no longer shown.
It may take approximately 20 minutes after the hybrid system is started until
the warning message disappears. If the warning message does not disap-
pear, have the vehicle inspected by your Toyota dealer.
WARNING
■When cleaning the air intake vent
● Do not use water or other liquids to clean the air intake vent. If water is
applied to the hybrid battery (traction battery) or other compo nents, a mal-
function or fire may occur.
● Before cleaning the air intake vent, make sure to turn the power switch off
to stop the hybrid system.
■ When removing the air intake vent cover
Do not touch the service plug located near the air intake vent. ( P. 92)

550
PRIUS_OM_OM47F01U_(U)
6-3. Do-it-yourself maintenance
NOTICE
■When cleaning the air intake vent
■ To prevent damage to the vehicle
● Do not allow water or foreign matter to enter the air intake ve nt when the
cover is removed.
● Carefully handle the removed filter so that it will not be damaged. If the fil-
ter is damaged, have it replaced with a new filter by your Toyota dealer.
● Make sure to reinstall the filter and cover to their original positions after
cleaning.
● Do not install anything to the air intake vent other than the exclusive filter
for this vehicle or use the vehicle without the filter installe d.
■ If “Maintenance Required for Traction Battery Cooling Parts See
Owner’s Manual” is shown on the multi-information display
If the vehicle is continuously driven with the warning message (indicating
that charging/discharging of the hybrid battery [traction batte ry] may
become limited) displayed, the hybrid battery (traction battery ) may mal-
function. If the warning message is shown, clean the air intake vent immedi-
ately.
When cleaning the air intake vent, make
sure to only use a vacuum to suck out
dust and clogs. If a compressed air blow
gun, etc. is used to blow out dust and
clogs, the dust or clogs may be pushed
into the air intake vent, which may affect
the performance of the hybrid battery
(traction battery) and cause a malfunc-
tion.

PRIUS_OM_OM47F01U_(U)
5576-3. Do-it-yourself maintenance
6
Maintenance and care
WARNING
■Battery precautions
Observe the following precautions.
Failure to do so may result in death or serious injury.
● Do not swallow the battery. Doing so may cause chemical burns.
● A coin battery or button battery is used in the electronic key. If a battery is
swallowed, it may cause severe chemical burns in as little as 2 hours and
may result in death or serious injury.
● Keep away new and removed batteries from children.
● If the cover cannot be firmly closed, stop using the electronic key and stow
the key in the place where children cannot reach, and then contact your
Toyota dealer.
● If you accidentally swallow a battery or put a battery into a part of your
body, get emergency medical attention immediately.
■ To prevent battery explosion or leakage of flammable liquid or gas
● Replace the battery with a new battery of the same type. If a w rong type of
battery is used, it may explode.
● Do not expose batteries to extremely low pressure due to high altitude or
extremely high temperatures.
● Do not burn, break or cut a battery.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
● Always work with dry hands.
Moisture may cause the battery to rust.
● Do not touch or move any other component inside the remote cont rol.
● Do not bend either of the battery terminals.

560
PRIUS_OM_OM47F01U_(U)
6-3. Do-it-yourself maintenance
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been repla ced, a bulb may
need replacement. ( P. 563)
● If the replaced fuse blows again, have the vehicle inspected by your Toyota
dealer.
■ If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness f rom damage.
■ When replacing light bulbs
Toyota recommends that you use genuine Toyota products designed for this
vehicle. Because certain bulbs are connected to circuits designed to prevent
overload, non-genuine parts or parts not designed for this vehicle may be
unusable.
WARNING
■ To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
● Never use a fuse of a higher amperage rating than that indicate d, or use
any other object in place of a fuse.
● Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
● Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired b y your
Toyota dealer as soon as possible.

PRIUS_OM_OM47F01U_(U)
5736-3. Do-it-yourself maintenance
6
Maintenance and care
WARNING
■Replacing light bulbs
● Be sure to stop the hybrid system and turn off the lights. Do not attempt to
replace the bulb immediately after turning off the lights.
The bulbs become very hot and may cause burns.
● Do not touch the glass portion of the light bulb with bare hand s. When it is
unavoidable to hold the glass portion, use and hold with a clea n dry cloth
to avoid getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
● Fully install light bulbs and any parts used to secure them. Failure to do so
may result in heat damage, fire, or water entering the headligh t unit. This
may damage the headlights or cause condensation to build up on the lens.
● Do not attempt to repair or disassemble light bulbs, connectors , electric
circuits or component parts.
Doing so may result in death or serious injury due to electric shock.
■ To prevent damage or fire
● Make sure bulbs are fully seated and locked.
● Check the wattage of the bulb before installing to prevent heat damage.

575
PRIUS_OM_OM47F01U_(U)
7When trouble arises
7-1. Essential informationEmergency flashers .......... 576
If your vehicle has to be stopped in an
emergency ...................... 577
If the vehicle is submerged or water on the road is
rising ............................... 578
7-2. Steps to take in an emergency
If your vehicle needs to be towed ......................... 580
If you think something is wrong .............................. 587
If a warning light turns on or a warning buzzer
sounds ............................ 588
If a warning message is displayed......................... 599
If you have a flat tire (vehicles without
spare tire)........................ 607
If you have a flat tire (vehicles with
spare tire)........................ 627
If the hybrid system will not start ........................... 641
If the electronic key does not operate properly ........ 643
If the 12-volt battery is discharged ...................... 646
If your vehicle overheats ... 652
If the vehicle becomes stuck ............................... 657

577
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7
When trouble arises
7-1. Essential information
If your vehicle has to be stopped in an
emergency
Steadily step on the brake pedal with both feet and firmly depress it.
Do not pump the brake pedal repeatedly as this will increase th e effort
required to slow the vehicle.
Shift the shift position to N.
If the shift positi on is shifted to N
After slowing down, stop the vehi cle in a safe place by the road.
Stop the hybrid system.
If the shift position c annot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicl e
speed as much as possible.
To stop the hybrid system,
press and hold the power
switch for 2 consecutive sec-
onds or more, or press it briefly
3 times or more in succession.
Stop the vehicle in a s afe place by the road.
Only in an emergency, such as if it becomes impossible to stop
the vehicle in the normal way, st op the vehicle using the follow-
ing procedure:
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2
3
4
3
Press and hold for 2 seconds or
more, or press briefly 3 times or
more
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WARNING
■ If the hybrid system has to be turned off while driving
Power assist for the steering wheel will be lost, making the steering wheel
heavier to turn. Decelerate as m uch as possible before turning off the hybrid
system.
5

5797-1. Essential information
PRIUS_OM_OM47F01U_(U)
7
When trouble arises
■Water level exceeds the floor
When the water level exceeds the floor and time has passed, the electrical
equipment will get damaged, the power windows will not operate, the engine
and motor stop, and the vehicle may not be able to get moving.
■ Using an emergency escape hammer
*1
Laminated glass*2 is used in the windshield and the windows on this vehicle.
Laminated glass cannot be shattered with an emergency hammer
*1.
*1: Contact your Toyota dealer or aftermarket accessory manufactur er for fur-
ther information about an emergency hammer.
*2: If equipped
■ How to distinguish laminated glass
When looking from the cross-sectional
view point, laminated glass is two sheets
of glass pasted together.
Laminated glass
Tempered glass
WARNING
■Caution while driving
Do not drive on roads where the roads may be submerged or the w ater may
be rising. Otherwise the vehicle may be damaged and cannot move, as well
as become flooded and set a drift, which may lead to death.
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