2022 TOYOTA PRIUS PRIME maintenance

PRIUS PRIME_OM_OM47E74U_(U)
6397-3. Do-it-yourself maintenance
7
Maintenance and care
■Checking interval
Inspect and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, earl y replacement
may be required. (For scheduled maintenance information, please refer to the
“Scheduled Maintenance Guide” or “Owner’s Manual Supplement”.)
■ If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if nece ssary.
WARNING
■When replacing the air conditioning filter
Observe the following precautions. Failure to do so may result in the air
conditioning system operating during the procedure, possibly re sulting in
injury.
● Check that the charging connector is not connected
The air conditioning may operate due to the “Climate Prep” (P. 158) or
“Traction Battery Cooler” (P. 137) setting.
● Do not use the Remote Air Conditioning System

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PRIUS PRIME_OM_OM47E74U_(U)
7-3. Do-it-yourself maintenance
NOTICE
■When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause da mage to the
system.
■ When removing the glove box
Always follow the specified procedure to remove the glove box ( P. 637). If
the glove box is removed without following the specified procedure, the
hinge of the glove box may become damaged.
■ To prevent damage to the filter cover
When moving the filter cover in the direc-
tion of arrow to release the fitting, pay
attention not to apply excessive force to
the claws. Otherwise, the claws may be
damaged.

641
PRIUS PRIME_OM_OM47E74U_(U)
7-3. Do-it-yourself maintenance
7
Maintenance and care
Wiper insert replacement
While securely supporting the
wiper blade connection by
hand, press the lock knob to
release the lock, and then pull
out the wiper blade.
Align the wiper blade with the
connecting portion of the wiper
arm, and then slide it in the
direction it was removed from.
After installing the wiper blade,
check that the connection is
locked.
When replacing the wiper insert, perform the following proce-
dure.
Windshield wiper blade removal and installation
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2

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PRIUS PRIME_OM_OM47E74U_(U)
7-3. Do-it-yourself maintenance
Pull the wiper insert until it pro-
trudes from the slit on the back
of the wiper blade.
Pull out the end of the wiper
insert from the slit, and then pull
out the rest of the wiper insert.
When installing a new wiper
insert, perform the procedure in
reverse.
After installation, check that the
end of the wiper insert is installed
all the way to the end of the cap.
Wiper insert replacement
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2
3

PRIUS PRIME_OM_OM47E74U_(U)
6437-3. Do-it-yourself maintenance
7
Maintenance and care
■Wiper blade and wiper insert handling
Improper handling may result in damage to the wiper blades or wiper insert. If
you have any concerns about replacing the wiper blades or wiper insert your-
self, contact your Toyota dealer.
■ Wiper blade cap
The cap cannot be removed, as it is integrated with the front wiper blade.
NOTICE
■To prevent damage
● Be careful not to damage the claws when replacing the wipers.
● After the wiper blade is removed from the wiper arm, place a cloth, etc.,
between the windshield and wiper arm to prevent damage to the wind-
shield.
● Be sure not to pull excessively on the wiper insert.

644
PRIUS PRIME_OM_OM47E74U_(U)
7-3. Do-it-yourself maintenance
Electronic key batter y
●Flathead screwdriver
● Lithium battery CR2032
Release the lock and take out
the mechanical key.
Remove the cover.
Use a screwdriver of an appropri-
ate size. Forcedly prying may
cause the cover damaged.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
Replace the battery with a n ew one if it is depleted.
You will need the following items:
Replacing the battery
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2

PRIUS PRIME_OM_OM47E74U_(U)
6457-3. Do-it-yourself maintenance
7
Maintenance and care
Remove the depleted battery.
When removing the cover, if the
battery cannot be seen due to the
electronic key module attaching to
the upper cover, remove the elec-
tronic key module from the cover
so that the battery is visible as
shown in the illustration.
When removing the battery, use a
screwdriver of an appropriate size.
Insert a new battery with the “+” terminal facing up.
When installing, reverse the steps listed.
■Use a CR2032 lithium battery
●Batteries can be purchased at your Toyota dealer, local electri cal appliance
shops or camera stores.
● Replace only with the same or equivalent type recommended by the manu-
facturer.
● Dispose of used batteries according to the local laws.
■ If the electronic key battery is depleted
The following symptoms may occur:
●The smart key system and wireless remote control will not funct ion properly.
● The operational range will be reduced.
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4

646
PRIUS PRIME_OM_OM47E74U_(U)
7-3. Do-it-yourself maintenance
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.