TOYOTA C-HR 2023 Owners Manual

6396-3. Do-it-yourself maintenance
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6
Maintenance and care
Remove the air intake vent
cover.
Pull the cover as shown in
the illustration to disengage
the 5 claws, starting from the
claw in the upper right cor-
ner.
Pull the cover toward the
front of the vehicle to remove
it.
Remove the air intake vent fil-
ter.
Disengage the 1 claw as
shown in the illustration.
Disengage the 2 claws to
remove the filter from the
cover.
Remove the dust and clogs
from the filter using a vacuum
cleaner, etc.
Make sure to also remove the dust
and clogs from the inside of the air
intake vent cover.
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4
5

6406-3. Do-it-yourself maintenance
C-HR_HEV_OM_Europe_OM10764E
Reinstall the filter to the cover.
Engage the filter to the 2
claws as shown in the illus-
tration.
Engage the 1 claw to install
the filter.
Make sure that the filter is not
crooked or deformed when install-
ing it.
Install the air intake vent cover.
Insert the tab of the cover as
shown in the illustration.
Push the cover to engage the
5 claws.
Install the clip.
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6416-3. Do-it-yourself maintenance
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6
Maintenance and care
■Cleaning the air intake vent
● Dust in the air intake vent may interfere with the cooling of the hybrid battery
(traction battery). If charging/discharging of the hybrid batte ry (traction bat-
tery) becomes limited, the distance that the vehicle can be dri ven using the
electric motor (traction motor) may be reduced and the fuel eco nomy 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 any
authorized Toyota retailer or Toyota authorized repairer, or an y reliable
repairer.
■ If “Maintenance required for Traction battery cooling parts See owner’s
manual.” is shown on the multi-information display
● If this message is shown on the multi-information display, remove the air
intake vent cover and clean the filter. ( P. 638)
● After cleaning the air intake vent, start the hybrid system and check that the
warning message is no longer displayed.
After the hybrid system is started, it may be necessary to driv e the vehicle
up to approximately 20 minutes before the warning message disap pears. If
the warning message does not disappear after driving for approp riately 20
minutes, have the vehicle inspected by any authorized Toyota re tailer or
Toyota authorized repairer, or any reliable repairer.
WARNING
■ When cleaning the air intake vent
● Before cleaning the air intake vent, make sure to turn the power switch off
to stop the hybrid system.
● 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.
■ When removing the air intake vent cover
Do not touch the service plug located near the air intake vent. (P. 125)

6426-3. Do-it-yourself maintenance
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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 vent 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 any autho rized Toyota
retailer or Toyota authorized repairer, or any reliable repaire r.
● 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 displayed, clean the air in take vent
immediately.
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.

6436-3. Do-it-yourself maintenance
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6
Maintenance and care
Electronic key batter y
●Flathead screwdriver
● Small flathead screwdriver
● Lithium battery CR2032
Release the lock and take out
the mechanical key.
Remove the cover.
Use an appropriate sized flathead
screwdriver. Forceful prying may
deform the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
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6446-3. Do-it-yourself maintenance
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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.
Use an appropriate sized flathead
screwdriver when removing the
battery.
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 any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer, local electrical appliance shops
or camera stores.
● Replace only with the same or equivalent type recommended by the manu-
facturer.
● Dispose of used batteries according to local laws.
■ If the key battery is depleted
The following symptoms may occur:
● The smart entry & start system, push button start and wireless remote con-
trol will not function properly.
● The operational range will be reduced.
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6456-3. Do-it-yourself maintenance
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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 cont act any
authorized Toyota retailer or Toyota authorized repairer, or an y reliable
repairer.
● 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 wrong 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.
■ Certification for the lithium battery
CAUTION:
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT
TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS
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 control.
● Do not bend either of the battery terminals.

6466-3. Do-it-yourself maintenance
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Checking and replacing fuses
Turn the power switch off.
Open the fuse box cover.
Engine compartment type A fuse box
While pushing the 2 claws, lift up
the cover.
When closing the cover, make sure
to attach the 2 claws.
Engine compartment type B fuse box (2ZR-FXE engine)
While pushing the 3 claws, lift up
the cover.
When closing the cover, make sure
to attach the 3 claws.
Engine compartment type B fuse box (M20A-FXS engine)
While pushing the 3 claws, lift up
the cover.
When closing the cover, make sure
to attach the 3 claws.
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as nec -
essary.
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6476-3. Do-it-yourself maintenance
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6
Maintenance and care
Engine compartment type C fuse box (2ZR-FXE engine)
Remove the cover.
When installing the cover, make
sure to attach the claw.
Luggage compartment (M20A-FXS engine)
Remove the deck board
( P. 565).
While pushing the claw, lift up the
cover.
When closing the cover, make sure
to attach the claw.
Left side instrument panel (left-hand drive vehicles)
Remove the lid.
Make sure to press the claw during
removal or installation.

6486-3. Do-it-yourself maintenance
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Left side instrument panel (right-hand drive vehicles)
Remove the cover and the lid.
Push the tab in and remove
the cover.
Remove the lid.
Make sure to press the claw
during removal or installation.
Remove the fuse with the pullout tool.
Only type A fuses can be removed using the pullout tool.
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2ZR-FXE engineM20A-FXS engine