TOYOTA PRIUS 2021 Owners Manual (in English)

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5016-1. Maintenance and care
6
Maintenance and care
NOTICE
■When using a high pressure car wash
● When washing the vehicle, do not let water of the high pressure washer hit
directly or the vicinity of the camera. Due to the shock from t he high pres-
sure water, it is possible the device may not operate as normal .
● Do not bring the nozzle tip close to boots (rubber or resin man ufactured
cover), connectors or the following parts. The parts may be dam aged if
they come into contact with high-pressure water.
• Traction related parts
• Steering parts
• Suspension parts
• Brake parts
● Keep the cleaning nozzle at least 11.9 in. (30 cm) away from th e vehicle
body. Otherwise resin section, such as moldings and bumpers, ma y be
deformed and damaged. Also, do not continuously hold the nozzle in the
same place.
● Do not spray the lower part of the windshield continuously.
If water enters the air conditioning system intake located near the lower
part of the windshield, the air conditioning system may not ope rate cor-
rectly.
● Do not wash the underside of the vehicle using a high pressure car
washer.
■ When raising the windshield wiper arms
Make sure to hold the hook parts of the
wiper arms to raise them.
Do not hold only the wiper blades when
raising them, or it may cause deformation
of the wiper blades.
Hook parts

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6-1. Maintenance and care
Cleaning and protecting the vehicle interior
●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 off any excess dirt and du st with a soft cloth dampened wi th
diluted detergent.
Use a diluted water solution of approximately 5% neutral wool d etergent.
●Wring out any excess water from the cloth and thoroughly wipe o ff
all remaining traces of detergent.
● Wipe the surface with a dry, soft cloth to remove any remaining
moisture. Allow the leather to dry in a shaded and ventilated a rea.
● 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.
The following procedures will hel p protect your vehicle’s interior
and keep it in top condition:
Protecting the vehicle interior
Cleaning the leather areas
Cleaning the synthetic leather areas

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5036-1. Maintenance and care
6
Maintenance and care
■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.
■ 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.
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 intake vent, and in the l uggage com-
partment.
Doing so may cause the hybrid battery (traction battery), elect rical compo-
nents, etc. to malfunction or catch fire.
● Do not get any of the SRS components or wiring in the vehicle i nterior wet.
( P. 37)
An electrical malfunction may cause the airbags to deploy or no t function
properly, resulting in death or serious injury.
● Vehicles with wireless charger:
Do not let the wireless charger ( P. 477) get wet. Failure to do so may
cause the charger to become hot and cause burns or could cause electric
shock 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.

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6-1. Maintenance and care
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.
■ When cleaning the inside of the windshield (vehicles with Toyota
Safety Sense 2.0)
Do not allow glass cleaner to contact the lens. Also, do not to uch the lens.
( P. 289).
■ 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.

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6-2. Maintenance
6
Maintenance and care
Maintenance requirements
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, refer to the separate “Own er’s War-
ranty Information Booklet” or “Owner’s Manual Supplement”.
To ensure safe and economical driving, day-to-day care and reg-
ular maintenance are essential. I t is the owner’s responsibility to
perform regular checks. Toyota recommends the following main-
tenance:
General maintenance
Scheduled maintenance
Do-it-yourself maintenance

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6-2. Maintenance
■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 preformed according to the ma intenance
schedule, please reset the message.
To reset the message, follow the procedures described below:
While the hybrid system is operating, switch the multi-informat ion display to
the screen. ( P. 151)
Press
or of the meter control switches, select (“Vehicle
Settings”), and then press .
Press
or of the meter control switches, select “Maintenance Sys-
tem”, and then press .
Press
or of the meter control switches, select “Oil Maintenance”,
and then press .
Press
or of the meter control switches, select “Yes”, and then press
.
■ 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 operation 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.
A message will be displayed when the
reset procedure has been completed.
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5076-2. Maintenance
6
Maintenance and care
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. 524)

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6-2. Maintenance
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 “Own er’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
12-volt batteryCheck the connections. (P. 524)
Brake fluidIs the brake fluid at the correct level? ( P. 528)
Engine/power control
unit coolantIs the engine/power control unit coolant at the
correct level? (P. 522)
Engine oilIs the engine oil at the correct level? (P. 519)
Exhaust systemThere should not be any fumes or strange
sounds.
Radiator/condenserThe radiator and condenser should be free from
foreign objects. (P. 524)
Washer fluidIs there sufficient washer fluid? (P. 530)

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5096-2. Maintenance
6
Maintenance and care
Vehicle interior
ItemsCheck points
Accelerator pedal• The accelerator pedal should move smoothly(without uneven pedal effort or catching).
Hybrid transmission
“Park” mechanism• When parked on a slope and the shift positionis in P, is the vehicle securely stopped?
Brake pedal
• Does the brake pedal move smoothly?
• Does the brake pedal have appropriate clear-
ance from the floor? ( P. 671)
• Does the brake pedal have the correct amount of free play? ( P. 671)
Brakes
• The vehicle should not pull to one side when
the brakes are applied.
• The brakes should work effectively.
• The brake pedal should not feel spongy.
• The brake pedal should not get too close to the floor when the brakes are applied.
Head restraints• Do the head restraints move smoothly andlock securely?
Indicators/buzzers• Do the indicators and buzzers function prop-erly?
Lights• Do all the lights come on?
Parking brake
• Does the parking brake pedal movesmoothly?
• When parked on a slope and the parking brake is on, is the vehicle securely stopped?
Seat belts• Do the seat belts operate smoothly?
• The seat belts should not be damaged.
Seats• Do the seat controls operate properly?
Steering wheel
• Does the steering wheel rotate smoothly?
• Does the steering wheel have the correctamount of free play?
• There should not be any strange sounds com- ing from the steering wheel.

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6-2. Maintenance
Vehicle exterior
ItemsCheck points
Doors• Do the doors operate smoothly?
Engine hood• Does the engine hood lock system work prop-erly?
Fluid leaks• There should not be any signs of fluid leakageafter the vehicle has been parked.
Tires
• Is the tire inflati on pressure correct?
• The tires should not be damaged or exces- sively worn.
• Have the tires been rotated according to the
maintenance schedule?
• The wheel nuts should not be loose.
Windshield wipers/
rear window wiper
(if equipped)
• The wiper blades should not show any signs
of cracking, splitting, wear, contamination or
deformation.
• The wiper blades should clear the windshield/
rear window without streaking or skipping.
WARNING
■If the hybrid system is operating
Turn the hybrid system off and ensure that there is adequate ve ntilation
before performing maintenance checks.