2021 TOYOTA RAV4 PLUG-IN HYBRID Owners Manual

535
7
7-3. Do-it-yours elf maintenance
Maintenance and care
WARNING
■When replacing the air condition-
ing filter
Observe the following precautions. Failure to do so may result in the air
conditioning system operating during
the procedure, possibly resulting in injury.
●Check that the charging connector
is not connected
Check that the charging connector is not connected
The air conditioning may operate due
to the “Climate Prep” ( →P.144) set- ting.
●Do not use the Remote Air Condi - tioning System
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 damage to
the system.
■When removing the glove box
Always follow the specified procedure
to remove the glove box ( →P.532). If the glove box is removed without fol -
lowing the specifie d procedure, the
hinge of the glove box may become damaged.
■To prevent damage to the filter cover
When moving the filter cover in the
direction of arrow to release the fit- ting, pay attention not to apply exces -
sive force to the cl aws. Otherwise, the
claws may be damaged.
Left-hand drive vehicles
Right-hand drive vehicles

5367-3. Do-it-yourself maintenance
Remove the dust from the air intake
vent with a vacuum cleaner, etc.
Make sure to only use a vacuum to
suck out dust and clo gs. Attempting to
blow out dust and clogs using an air -
gun, etc. may push it i nto the air intake
vent. ( →P.538)
If dust and clogs cannot be com-
pletely removed with the air intake
vent cover installed, remove the
cover and clean the filter.
1 Turn the power switch off.
2 Using a Phillips screwdriver,
remove the clip.
3 Remove the air intake vent
cover.
Pull the cover as shown in the illustra - tion to disengage the 8 claws, starting
from the claw in the upper right corner
and pull the cover toward the front of the vehicle to remove it.
4 Remove the air intake vent filter.
Disengage the 4 center claws from the
Cleaning the DC/DC Con-
verter air intake vent
and filter
To prevent the 12-volt battery
from discharge, visually
inspect the DC/ DC Converter
air intake vent periodically for
dust and clogs. If it is dusty or
clogged or if “Maintenance
required for DCDC converter
cooling parts See Owner’s
Manual” is shown on the multi-
information display, clean the
air intake vent using the fol -
lowing procedures:
Cleaning the air intake vent
If dust and clogs cannot be
completely removed

537
7
7-3. Do-it-yours elf maintenance
Maintenance and care
filter.
Disengage the claws in the order of
and to remove the filter from the
cover.
5 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.
6 Reinstall the filter to the cover.
Engage the claws in the order of
and .
Engage the 4 center claws to install the
filter.
Make sure that the f ilter is not crooked or deformed when installing it.
7 Install the air intake vent cover.
Insert the tab of the cover as shown in
the illustration and push the cover to engage the 8 claws.
A
B
B
A

5387-3. Do-it-yourself maintenance
8Using a Phillips screwdriver,
install the clip.
■Cleaning the air intake vent
●Dust in the air intake vent may inter - fere with the cooling of the DC/DC
converter. If the cooling perfor -
mance/capacity of the DC/DC con - verter becomes limited, the 12-volt
battery may discharge. Inspect and
clean the air intake vent periodically.
●Improper handling of the air intake
vent cover and filter may result in damage to them. If you have any con -
cerns about cleaning the filter, contact
any authorized Toy ota retailer or Toyota authorized repairer, or any reli -
able repairer.
■If “Maintenance required for DCDC
converter cooling parts See Owner’s Manual” is shown on the
multi-information display
●If this warning message is shown on
the multi-informatio n display, remove
the air intake vent cover and clean the filter. ( →P.536)
●After cleaning the air intake vent, start the hybrid system and check that the
warning message is no longer shown.
It may take approximately 20 minutes
after the hybrid syst em is started until the warning message disappears. If
the warning message does not disap -
pear, have the vehicle inspected by any authorized Toy ota retailer or
Toyota authorized repairer, or any reli -
able repairer.
WARNING
■When cleaning the air intake vent
●Do not use water or other liquids to
clean the air intake vent. If water is applied to the DC/ DC converter or
other components, a malfunction or
fire may occur.
●Before cleaning th e air intake vent,
make sure to turn the power switch
off to stop the hybrid system.
NOTICE
■When cleaning the air intake vent
When cleaning the air intake vent,
make sure to only use a vacuum to suck out dust and clogs. If a com -
pressed 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 per-
formance of the DC/DC converter and cause a malfunction.
■To prevent damage to the vehicle
●Do not allow water or foreign matter to enter the air intake vent when the
cover is removed.

539
7
7-3. Do-it-yours elf maintenance
Maintenance and care
■Windshield wiper blade
removal and installation
1 While holding the hook portion
of the wiper arm, first lift up
the driver side, and then lift up
the passenger side.
When returning the wiper arms to their original positions, first lower the pas -
senger side, and then lower the driver
side.
2 Lift the stopper using a flat-head
screwdriver as shown in the
illustration.
To prevent damage to the wiper arm,
protect the tip of t he screwdriver with a
NOTICE
●Carefully handle the removed filter
so that it will not be damaged. If the
filter is damaged, have it replaced with a new filter by any authorized
Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
●Make sure to reinsta ll the filter and
cover to their original positions after
cleaning.
●Do not install anyth ing to the air
intake vent other than the exclusive filter for this vehicle or use the vehi -
cle without the filter installed.
■If “Maintenance required for
DCDC converter cooling parts
See Owner’s Manual” is shown on the multi-information display
If the vehicle is continuously driven
with the warning me ssage (indicating that the cooling performance/capac-
ity of the DC/DC converter may
become limited) d isplayed, the DC/DC converter may malfunction. If
the warning message is displayed,
clean the air intake vent immediately.
Wiper insert replace-
ment
When replacing the wiper
insert, perform the following
procedure to operate each
wiper.
Windshield wipers
A

5407-3. Do-it-yourself maintenance
rag.
3 Slide the wiper blade to remove
it from the wiper arm.
When installing, rev erse the steps
listed.
■Wiper insert replacement
1 Pull the wiper insert to remove
the claw of the wiper blade from
the stopper, and pull out the
wiper insert.
Stopper
Claw
2 Remove the 2 metal plates from
the wiper insert pulled out, and
install the plates to a new wiper
insert.
Make sure that the c utout location and warp direction of the metal blades are
same as the original.
3 Install the wiper insert to the
wiper blade from the side with -
out the stopper.
4 Secure the stopper of the wiper
insert with the cl aw of the wiper
blade.
A
B

541
7
7-3. Do-it-yours elf maintenance
Maintenance and care
1Move the wiper blade until a
click sound can be heard and
the claw detaches, and then
remove the wiper blade from the
wiper arm.
2 Pull the wiper insert out past the
stopper on the wi per blade, and
then continue to pull until it is
completely removed.
Lightly grasp between the claws of the
wiper blade to allow the wiper insert to lift up, making it easier to remove.
3 Remove the 2 metal plates from
the old wiper insert and install
them to the replacement wiper
insert.
4 Insert the wiper insert starting
from the claw at the center of
the wiper blade. Pass the wiper
insert through the 3 claws so
that it sticks out from the stop -
per, and then pass the wiper
insert through the final remain -
ing claw.
A p p l y i n g a s m a l l a m o u n t o f w a s h e r f l u i d to the wiper insert can make it easier to
insert the claws into the grooves.
5 Check that the wiper blade
claws are fitted in the grooves of
the wiper insert.
If the wiper blade cla ws are not fitted in
the grooves of the wiper insert, grasp
the wiper insert and slide it back and forth multiple times to insert the claws
into the grooves.
Lightly lift up the c enter of the wiper insert to make the rubber easier to
Rear window wiper

5427-3. Do-it-yourself maintenance
slide.
6 When installing a wiper blade,
reverse the procedure in step 1.
After installing the wiper blade, check
that the connection is locked.
■Wiper blade and wiper insert han- dling
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 yourself,
contact any authorized Toyota retailer or Toyota authorized repairer, or any reli -
able repairer.
NOTICE
■When lifting the windshield wip -
ers
●When raising the wiper arms off the
windshield, lift up the driver side
first, and then lift up passenger side. When returning the wipers to
their original position, return the
passenger side first.
●Do not lift a windshield wiper by the
wiper blade. Otherwise, the wiper blade may be deformed.
●Do not operate t he wiper lever when the windshield wipers are
lifted. Otherwise, the windshield
wipers may contac t the hood, pos- sibly resulting in damage to the
windshield wipers and/or hood.
■To prevent damage
●Be careful not to damage the claws
when replacing the wiper insert.
●After the wiper blade is removed
from the wiper arm, place a cloth,
etc., between the rear window and wiper arm to prevent damage to the
rear window.
●Be sure not to pull excessively on
the wiper insert or deform its metal
plates.