2022 TOYOTA PRIUS PRIME maintenance

PRIUS PRIME_OM_OM47E74U_(U)
5757-1. Maintenance and care
7
Maintenance and care
■Note for a smart key system
If the door handle becomes wet while the electronic key is within the effective
range, the door may lock and unlock repeatedly. In that case, f ollow the fol-
lowing correction procedures to wash the vehicle:
● Place the key in a position 6 ft. (2 m) or more separate from t he vehicle
while the vehicle is being washed. (Take care to ensure that th e key is not
stolen.)
● Set the electronic key to battery-saving mode to disable the sm art key sys-
tem. ( P. 292)
■ Wheels and wheel ornaments
●Remove any dirt immediately by using a neutral detergent.
● Wash detergent off with water immediately after use.
● To protect the paint from damage, make sure to observe the following pre-
cautions.
• Do not use acidic, alkaline or abrasive detergent
• Do not use hard brushes
• Do not use detergent on the wheels when they are hot, such as after driv-
ing or parking in hot weather
■ Brake pads and calipers
Rust may form if the vehicle is parked with wet brake pads or d isc rotors,
causing them to stick. Before parking the vehicle after it is w ashed, drive
slowly and apply the brakes several times to dry the parts.
■ Bumpers
Do not scrub with abrasive cleaners.
■ Front side windows water-repellent coating
The following precautions can extend the effectiveness of the water-repellent
coating.
●Remove any dirt, etc. from the front side windows regularly.
● Do not allow dirt and dust to accumulate on the windows for a long period.
Clean the windows with a soft, damp cloth as soon as possible.
● Do not use wax or glass cleaners that contain abrasives when cleaning the
windows.
● Do not use any metallic objects to remove condensation build up.
■ Plated portions
If dirt cannot be removed, clean the parts as follows:
●Use a soft cloth dampened with an approximately 5% solution of neutral
detergent and water to clean the dirt off.
● Wipe the surface with a dry, soft cloth to remove any remaining moisture.
● To remove oily deposits, use alcohol wet wipes or a similar pro duct.

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PRIUS PRIME_OM_OM47E74U_(U)
7-1. Maintenance and care
WARNING
■When washing the vehicle
Do not apply water to the inside of the engine compartment. Doing so may
cause the electrical components etc. to catch fire.
■ While charging
Do not wash the vehicle.
Doing so may cause the electrical components to malfunction or catch fire
and also you may get an electric shock that may result in death or serious
injury.
■ When cleaning the windshield (vehicles with rain-sensing windshield
wipers)
● When a wet rag or similar is held close to the raindrop sensor
● If something bumps against the windshield
● If you directly touch the raindrop sensor body or if something bumps into
the raindrop sensor
■ Precautions regarding the exhaust pipe
Exhaust gasses cause the exhaust pipe to become quite hot.
When washing the vehicle, be careful not to touch the pipe unti l it has
cooled sufficiently, as touching a hot exhaust pipe can cause b urns.
■ Precaution regarding the rear bumper with Blind Spot Monitor (i f
equipped)
If the paint of the rear bumper is chipped or scratched, the system may mal-
function. If this occurs, consult your Toyota dealer.
Set the wiper switch to the off position.
If the wiper switch is in the posi-
tion, the wipers may operate unexpect-
edly in the following situations, and may
result in hands being caught or other
serious injuries and cause damage to the
wiper blades.
● When the upper part of the windshield
where the raindrop sensor is located is
touched by hand
Off

PRIUS PRIME_OM_OM47E74U_(U)
5777-1. Maintenance and care
7
Maintenance and care
NOTICE
■To prevent paint deterioration an d corrosion on the body and compo-
nents (aluminum wheels etc.)
● Wash the vehicle immediately in the following cases:
• After driving near the sea coast
• After driving on salted roads
• If coal tar or tree sap is present on the paint surface
• If dead insects, insect droppings or bird droppings are present on the
paint surface
• After driving in an area contaminated with soot, oily smoke, mine dust, iron powder or chemical substances
• If the vehicle becomes heavily soiled with dust or mud
• If liquids such as benzene and gasoline are spilled on the pai nt surface
● If the paint is chipped or scratched, have it repaired immediately.
● To prevent the wheels from corroding, remove any dirt and store in a place
with low humidity when storing the wheels.
■ To prevent damage to the windshield wiper arms
When lifting the wiper arms away from the windshield pull the driver side
wiper arm upward first, and repeat for the passenger’s side. When returning
the wipers to their original position, do so from the passenger ’s side first.
■ Cleaning the exterior lights
● Wash carefully. Do not use organic substances or scrub with a h ard brush.
This may damage the surfaces of the lights.
● Do not apply wax to the surfaces of the lights.
Wax may cause damage to the lenses.
■ When using an automatic car wash (vehicles with rain-sensing wi nd-
shield wipers)
Set the wiper switch to the off position.
If the wiper switch is in the position, the wipers may operate and the
wiper blades may be damaged.

578
PRIUS PRIME_OM_OM47E74U_(U)
7-1. Maintenance and care
NOTICE
■When using a high pressure car wash
● When washing the vehicle, do not spray the camera or its surrounding
area directly with a high pressure washer. Shock applied from high pres-
sure water may cause the device to not operate normally.
● Do not spray water directly on the radar which is equipped behi nd the
emblem. Otherwise it may cause the device to be damaged.
● 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 wind-
shield, the air conditioning system may not operate correctly.
● Do not wash the underside of the vehicle using a high pressure car
washer.
● Do not use the washer on the area around the charging port lid. Water
could get into the charging inlet and could damage the vehicle.
■ 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

579
PRIUS PRIME_OM_OM47E74U_(U)
7-1. Maintenance and care
7
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

580
PRIUS PRIME_OM_OM47E74U_(U)
7-1. Maintenance and care
Clean the air intake vents and fil-
ters by the following procedures to
prevent dust from accumulating in
them, or to prevent them from
clogging.
The filters are attached to the back
side of the air intake vent grilles.
■
Cleaning the air intake vents and filters
Remove the dust from the vents
and filters with a vacuum
cleaner etc.
Clean the vents of the both
sides.
■
Cleaning the filters
If “Maintenance Required for Traction Battery Cooling Parts See
Owner’s Manual” is shown on the multi-information display, remo ve
the air intake vent grilles on t he both sides of the rear seat and
clean the filters.
Insert a flathead screwdriver
etc. to the notch at the top of
the grille, and disconnect the
tab at the bottom to remove
the grille.
Turn over the rubber portion
beside the grille to insert the flat-
head screwdriver.
To prevent damage, cover the
tip of the flathead screwdriver
with a rag.
Cleaning the air intake vents and filters
1

PRIUS PRIME_OM_OM47E74U_(U)
5817-1. Maintenance and care
7
Maintenance and care
Remove the filter.
Remove dust using a vac-
uum cleaner etc. to clean the
filter.
Also, remove dust on the grille
as well as on the filter using a
vacuum cleaner.
Reinstall the filter to the origi-
nal position.
Be careful not to deform the fil-
ter or allow a gap between the
filter and the installation posi-
tion when installing the filter.
Insert the tab at the bottom of
the grille to the position, and
push the opposite side edge
in to secure the grille.
Reinstall the grille to the original
position while turning over the
rubber portion.
Start the hybrid system and check that the warning message on
the multi-information display disappears.
It may take several minutes before the warning message disappea rs.
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582
PRIUS PRIME_OM_OM47E74U_(U)
7-1. 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.
■ Cleaning the air intake vents and filters
●Dust on the air intake vents or filters may interferes cooling of the hybrid bat-
tery (traction battery) and results in poor electricity and fue l consumption.
Clean the air intake vents and filters periodically.
● If continuing to drive the vehicle with “Maintenance Required f or Traction
Battery Cooling Parts See Owner’s Manual” shown on the multi-in formation
display, the hybrid battery (traction battery) may overheat, le ading to
decreasing in distance that can be driven using the electric mo tor. It may
cause poor electricity and fuel consumption or a malfunction. If the warning
message is shown, clean the air intake vents and filters immediately.
● Improper handling may result in damage to the grille or filters. If you have
any concerns about cleaning the filters, contact your Toyota dealer.
● If the warning message on the multi-information display does not disappear
after cleaning the filters, have the vehicle inspected by your Toyota dealer.
● Timing of cleaning filters differs depending on the use environ ment of the
vehicle.