maintenance TOYOTA PRIUS C 2020 User Guide

4037-1. Maintenance and care
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Maintenance and care
PRIUS c_U
●Remove dirt and dust using a vacuum cleaner. Wipe dirty surface s
with a cloth dampened with lukewarm water.
● If dirt cannot be removed, wipe it off with a soft cloth dampen ed with
neutral detergent dilut ed to approximately 1%.
Wring out any excess water from the cloth and thoroughly wipe o ff
remaining traces of detergent and water.
● Remove dirt and dust using a vacuum cleaner.
● Wipe it off with a soft cloth da mpened with neutral detergent d iluted
to approximately 1%.
● Wring out any excess water from the cloth and thoroughly wipe o ff
remaining traces of detergent and water.
Cleaning and prot ecting the vehicle
interior
The following procedures will he lp protect your vehicle's interior
and keep it in top condition:
Protecting the vehicle interior
Cleaning the synthetic leather areas

4047-1. Maintenance and care
PRIUS c_U
To prevent the hybrid battery (traction battery) air intake vent from
becoming clogged, cl ean it periodically.
■Cleaning the air intake vent
Remove any dust and clogs
from the air intake vent with a
vacuum cleaner, etc.
The air intake vent has a filter
behind the air intake vent cover.
If “MAINTENANCE REQUIRED FOR TRACTION BATTERY
COOLING PARTS SEE OWNER’S MANUAL” is displayed on the
multi-information display, the filter may be clogged. Remove th e air
intake vent cover and clean the filter.
■Cleaning the air intake vent filter
The air intake vent filter is
located below the rear seat
cushion on the left side.
Remove the 2 clipsPush in the center part of
the clips
Remove the clips
Cleaning the hybrid battery (traction battery) air intake vent
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4057-1. Maintenance and care
7
Maintenance and care
PRIUS c_U
Disengage the 3 clips and 3
guides on the back of the
cover and remove the air
intake vent cover.Guides
Clips
Remove any dust and clogs
from the filter using a vac-
uum cleaner, etc.
Make sure to also remove dust
and clogs from the inner side of
the air intake vent cover.
If the filter is damaged, have it
replaced by your Toyota dealer.
Install the air intake vent
cover. Guides
Clips
Check if the clips and guides
on the back of the cover are
engaging properly if the cover
cannot be installed.
Install the 2 clips.Push out the center part of
the clips
Insert the clips
Push in the center part of
the clips
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4
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4067-1. Maintenance and care
PRIUS c_U
Start the hybrid system and check that “MAINTENANCE
REQUIRED FOR TRACTION BATTERY COOLING PARTS SEE
OWNER’S MANUAL” is no longer displayed on the multi-infor-
mation display.
It may take approximately 20 minu tes for the warning message to
disappear after the hybrid syste m is started. If the warning mes-
sage does not disappear even th ough the filter has been cleaned,
have the vehicle inspect ed by your Toyota dealer.
■Caring for leather areas
Toyota recommends cleaning the interior of the vehicle at least twice a year to
maintain the quality of the vehicle's interior.
■ Shampooing the carpets
There are several commercial foaming-type cleaners available. U se a sponge
or brush to apply the foam. Rub in overlapping circles. Do not use water.
Wipe dirty surfaces and let them dry. Excellent results are obt ained by keep-
ing the carpet as dry as possible.
■ Air intake vent maintenance
●If the vehicle is driven with the air intake vent clogged, the hybrid battery
(traction battery) may overheat and the fuel consumption may in crease.
● Depending on the conditions under which the vehicle is used, th e air intake
vent may need to be cleaned more regularly.
■ Seat belts
Clean with mild soap and lukewarm water using a cloth or sponge . Also
check the belts periodically for excessive wear, fraying or cut s.
■ Cleaning the air intake vent filter
●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 the vehicle is driven with the air intake vent filter clogged, the hybrid bat-
tery (traction battery) may overheat and the fuel consumption m ay increase.
● Depending on the conditions under which the vehicle is used, th e air intake
vent filter may need to be cleaned more regularly.
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4077-1. Maintenance and care
7
Maintenance and care
PRIUS c_U■
If “MAINTENANCE REQUIRED FO R TRACTION BATTERY COOLING
PARTS SEE OWNER’S MANUAL” is displayed on the multi-information
display
● It is possible the air intake vent or filter is clogged due to accumulated dust.
Clean the air intake vent and filter, referring to the cleaning method.
● When continuously driven in this state, the hybrid battery (traction battery)
may overheat, which may lead to the driving distance by the ele ctric motor
getting shorter, the fuel consumption worsening, and causing da mage.
Clean the air intake vent periodically to prevent dust, etc., f rom collecting in
the air intake vent or filter.
● If the massage in the multi-information display does not turn off, even if the
air intake vent is cleaned, have the vehicle inspected at your Toyota dealer.
WARNING
■Water in the vehicle
● Do not splash or spill liquid in the vehicle, such as on the floor, in the
hybrid battery (traction battery) air vents, and in the luggage compartment.
Doing so may cause the hybrid battery, electrical components, etc. to mal-
function or catch fire.
● Do not get any of the SRS components or wiring in the vehicle i nterior wet.
( P. 41)
An electrical malfunction may cause the airbags to deploy or no t function
properly, resulting in death or serious injury.
■ Cleaning the interior (esp ecially instrument panel)
Do not use polish wax or polish cleaner. The instrument panel m ay reflect
off the windshield, obstructing the driver's view and leading t o an accident,
resulting in death or serious injury.
■ When cleaning the hybrid batte ry (traction battery) air intake vent/filter
● Do not use water or other liquids to clean the air intake vent/ filter. If water
is applied to the hybrid battery (traction battery) or other co mponents, a
malfunction or fire may occur.
● When the air intake vent cover, located below the rear seat cus hion on the
left side is to be removed, make sure to turn the power switch off to stop
the hybrid system.

4087-1. Maintenance and care
PRIUS c_U
NOTICE
■Cleaning detergents
● Do not use the following types of detergent, as they may discol or the vehi-
cle interior or cause streaks or damage to painted surfaces:
• Non-seat portions: Organic substances such as benzene or gasol ine,
alkaline or acidic solutions, dye, and bleach
• Seats: Alkaline or acidic solutions, such as thinner, benzene, and alco-
hol
● Do not use polish wax or polish cleaner. The instrument panel's or other
interior part's painted surface may be damaged.
■ Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of
leather surfaces:
● Remove any dust or dirt from leather surfaces immediately.
● Do not expose the vehicle to direct sunlight for extended perio ds of time.
Park the vehicle in the shade, especially during summer.
● Do not place items made of vinyl, plastic, or containing wax on the uphol-
stery, as they may stick to the leather surface if the vehicle interior heats
up significantly.
■ Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio system may be damaged if wate r comes
into contact with electrical components such as the audio syste m above or
under the floor of the vehicle. Water may also cause the body to rust.
■ Cleaning the inside of the rear window
● Do not use glass cleaner to clean the rear window, as this may cause
damage to the rear window defogger heater wires. Use a cloth da mpened
with lukewarm water to gently wipe the window clean. Wipe the w indow in
strokes running parallel to the heater wires.
● Be careful not to scratch or damage the heater wires.

409
7
Maintenance and care
PRIUS c_U
7-2. Maintenance
General maintenance should be performed on a daily basis. This can
be done by yourself or by a Toyota dealer.
Scheduled maintenance should be performed at specified intervals
according to the maintenance schedule.
For details about maintenance items and schedules, refer to the “Sched-
uled Maintenance Guide” or “Owner's Manual Supplement”.
You can perform som e maintenance procedures by yourself.
Please be aware that do-it-yourse lf maintenance may affect warranty
coverage.
The use of Toyota Repair Manuals is recommended.
For details about warranty coverage, see the separate “Owner's Warranty
Information Booklet” or “Owner's Manual Supplement”.
Maintenance requirements
To ensure safe and economical driving, day-to-day care and reg-
ular maintenance are essential. It is the owner's responsibility to
perform regular checks. Toyota recommends the following main-
tenance:
General maintenance
Scheduled maintenance
Do-it-yourself maintenance

4107-2. Maintenance
PRIUS c_U
■Repair and replacement
It is recommended that genuine Toyota parts be used for repairs to ensure
performance of each system. If non-Toyota parts are used in rep lacement or if
a repair shop other than a Toyota dealer performs repairs, conf irm the war-
ranty coverage.
■ Resetting the message indicating ma intenance is required (U.S.A. only)
After the required maintenance is performed according to the ma intenance
schedule, please reset the message.
To reset the message, follow the procedures described below:
Vehicles without a smart key system: Turn the power switch to the “LOCK”
position with the trip meter A reading shown.
Vehicles with a smart key system: Turn the power switch off wit h the trip
meter A reading shown.
Vehicles without a smart key system: While pressing the “trip” switch (P.
100), turn the power switch to the “ON” position (do not start the hybrid sys-
tem, reset mode will be canceled).
Vehicles with a smart key system: While pressing the trip meter reset but-
ton ( P. 100), turn the power switch to the ON mode (do not start the
hybrid system, otherwise the reset mode will be canceled).
Continue to press and hold the button until the trip meter disp lays “000000”.
■ Allow inspection and repairs to be performed by a Toyota dealer
●Toyota technicians are well-trained specialists and are kept up to date with
the latest service information. They are well informed about th e operations
of all systems on your vehicle.
● Keep a copy of the repair order. It proves that the maintenance that has
been performed is under warranty coverage. If any problem should arise
while your vehicle is under warranty, your Toyota dealer will p romptly take
care of it.
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4117-2. Maintenance
7
Maintenance and care
PRIUS c_U
WARNING
■If your vehicle is no t properly maintained
Improper maintenance could result in serious damage to the vehi cle and
possible serious injury or death.
■ Handling of the 12-volt battery
● Engine exhaust, some of its constituents, and a wide variety of automobile
components contain or emit chemicals known to the State of California to
cause cancer and birth defects and other reproductive harm. Wor k in a
well ventilated area.
● Oils, fuels and fluids contained in vehicles as well as waste produced by
component wear contain or emit chemicals known to the State of Califor-
nia to cause cancer and birth defects or other reproductive har m. Avoid
exposure and wash any affected area immediately.
● 12-volt battery posts, terminals and related accessories contain lead and
lead compounds which are known to cause brain damage. Wash your
hands after handling. ( P. 431)

4127-2. Maintenance
PRIUS c_U
General maintenance
Listed below are the general maintenance items that should be
performed at the intervals specified in the “Owner's Warranty
Information Booklet” or “Owner's Manual Supplement/Sched-
uled Maintenance Guide”. It is recommended that any problem
you notice should be brought to the attention of your Toyota
dealer or qualified s ervice shop for advice.
Engine compartment
ItemsCheck points
Brake fluidIs the brake fluid at the correct level?
( P. 428)
CoolantIs the engine/power control unit coolant at the
correct level? ( P. 426)
Engine oilIs the engine oil at the correct level? (P. 423)
Exhaust systemThere should not be any fumes or strange
sounds.
Radiator/condenserThe radiator and condenser should be free from
foreign objects. (P. 428)
Washer fluidIs there sufficient washer fluid? (P. 430)
Vehicle interior
ItemsCheck points
12-volt battery Check the connections. (P. 431)
Accelerator pedal• The accelerator pedal should move smoothly
(without uneven pedal effort or catching).
Brake pedal
• Does the brake pedal move smoothly?
• Does the brake pedal have appropriate clear-ance from the floor? ( P. 542)
Does the brake pedal have the correct amount
of free play? ( P. 542)