TOYOTA COROLLA CROSS HYBRID 2023 Owners Manual

3816-3. Do-it-yourself maintenance
6
Maintenance and care
Toyota dealer.
6Install the filter in its original
position, and then install the
air intake vent cover.
If “Maintenance required for
Traction battery cooling parts
See owner’s manual” was dis-
played on the multi-informa-
tion display
7 Start the hybrid system and
check that the warning mes-
sage is no longer displayed.
It may be necessary to drive the
vehicle for warning message is dis-
played again then disappears.
If the warning message does not
disappear after some time, have
the vehicle inspected by your Toy-
ota dealer.
■If the duct or sand on the filter
cannot be removed
It is recommended to use a vacuum
cleaner with plastic brushes.
WARNING
■When cleaning the air intake
vent
●Do not use water or other liq-
uids to clean the air intake vent.
If water is applied to the hybrid
battery (traction battery) or
other components, a malfunc-
tion or fire may occur.
●Before cleaning the air intake
vent, make sure to turn the
power switch off to stop the
hybrid system.
●Do not put a han d or leg in the
air intake vent. If it is caught in a
cooling fan, or if it touches a
high voltage part that results in
an electric shock, death or seri-
ous injuries may result.
NOTICE
■When cleaning the air intake
vent
Do not use an ai r blow gun, etc.
Dust may be blown out, possibly
causing a malfunction or output
restriction of the hybrid battery
(traction battery).
■To prevent damage to the
vehicle
Observe the following precau-
tions:
●Do not allow liquid or foreign
material to enter the air intake
vent.
●Make sure to reinstall the filter
and cover to their original posi-
tions after cleaning.
●Do not install anything to the air
intake vent other than the exclu-
sive filter for this vehicle or use
the vehicle witho ut the filter
installed.

3826-3. Do-it-yourself maintenance
■If the electronic key battery is
depleted
The following symptoms may occur:
●The smart key system and wire-
less remote control will not func-
tion properly.
●The operational range will be
reduced.
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2450
■Use a CR2450 lithium battery
●Batteries can be purchased at
your Toyota dealer, local electrical
appliance shops or camera stores.
●Replace only with the same or
equivalent type recommended by
the manufacturer.
●Dispose of used batteries accord-
ing to local laws.
NOTICE
■To prevent damage to the fil-
ter
Observe the following precau-
tions.
If the filter is damaged, have it
replaced with a new filter by your
Toyota dealer.
●Do not use an air blow gun, etc.
●Do not press hard a vacuum
cleaner, etc.against the filter.
●Do not use a hard brush, such
as a metal brush.
●Do not break the fold of the fil-
t er.
Electronic key batter y
Replace the battery with a
new one if it is depleted.
As the key may be damaged
if the following procedure is
not performed properly, it is
recommended that key bat-
tery replacement be per-
formed by your Toyota
dealer.
Items to prepare

3836-3. Do-it-yourself maintenance
6
Maintenance and care
1Release the lock and remove
the mechanical key.
2 Remove the key cover.
To prevent damage to the key,
cover the tip of the flathead screw-
driver with a rag.
3Remove the depleted battery
using a small flathead screw-
driver.
When removing the cover, the elec-
tronic key module may stick to the
cover and the battery may not be
visible. In this case, remove the
electronic key module in order to
remove the battery.
Insert a new battery with the “+” ter- minal facing up.
4
When installing the key cover
and mechanical key, install
by conducting step 2 and
step 1 with the directions
reversed.
5 Operate the or switch
and check that the doors can
be locked/unlocked.
Replacing the battery
WARNING
■Battery precautions
Observe the following precau-
tions.
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 swa llowed, 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.

3846-3. Do-it-yourself maintenance
1Turn the power switch off.
2 Open the fuse box cover.
Engine compartment
Push the tabs in and lift the lid off.
Under the driver’s side instru-
ment panel
Remove the lid.
Make sure to push the claw when
removing/installing the lid.
WARNING
●If you accidentally swallow a
battery or put a b attery into a
part of your body, get emer-
gency medical attention imme-
diately.
■To prevent battery explosion
or leakage of flammable liq-
uid 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, bre ak or cut a bat-
tery.
NOTICE
■When replacing the battery
Use a flathead screwdriver of
appropriate size. Applying exces-
sive force may deform or damage
the cover.
■For normal operation after
replacing the battery
Observe the following precautions
to prevent accidents:
●Always work with dry hands.
Moisture may cau se the battery
to rust.
●Do not touch or move any other
component inside the remote
control.
●Do not bend either of the battery
terminals.
Checking a nd replac-
ing fuses
If any of the electrical com-
ponents do not operate, a
fuse may have blown. If this
happens, check and replace
the fuses as necessary.
Checking and replacing
fuses

3856-3. Do-it-yourself maintenance
6
Maintenance and care
Luggage compartment
Opening the deck mat and 12-volt
battery cover (P.356).
3 Remove the fuse with the
pullout tool.
Only type A fuse can be
removed using the pullout
tool.
4 Check if the fuse is blown.
Replace the blown fuse with a new
fuse of an appropriate amperage
rating. The amperage rating can be
found on the fuse box lid.
Ty p e A Normal fuse
Blown fuse
Type B
Normal fuse
Blown fuse
Type CNormal fuse
Blown fuse
Type D
Normal fuse
Blown fuse

3866-3. Do-it-yourself maintenance
■After a fuse is replaced
●When installing the lid, make sure
that the tab is installed securely.
●If the lights do not turn on even
after the fuse has been replaced,
a bulb may need replacement.
(  P.387)
●If the replaced fuse blows again,
have the vehicle inspected by
your Toyota dealer.
■If there is an overload in a cir-
cuit
The fuses are designed to blow, pro-
tecting the wiring harness from
damage.
Adjustment bolt A
Adjustment bolt B
 Make sure the vehicle has a
full tank of gasoline and the
area around the headlight is
not deformed.
 Park the vehicle on level
ground.
 Make sure the tire inflation
pressure is at the specified
level.
 Have someone sit in the
driver’s seat.
 Bounce the vehicle several
times.WARNING
■To prevent system break-
downs and vehicle fire
Observe the following precau-
tions.
Failure to do so may cause dam-
age to the vehicle, and possibly a
fire or injury.
●Never use a fuse of a higher
amperage rating than that indi-
cated, or use any other object in
place of a fuse.
●Always use a genuine Toyota
fuse or equivalent.
Never replace a fuse with a
wire, even as a temporary fix.
●Do not modify the fuses or fuse
boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical over-
load determined and repaired by
your Toyota dealer as soon as
possible.
Headlight aim
Vertical movement adjust-
ing bolts
Before checking the head-
light aim

3876-3. Do-it-yourself maintenance
6
Maintenance and care
1Using a Phillips-head screw-
driver, turn bolt A in either
direction.
Remember the turning direction
and the number of turns.
2Turn bolt B the same number
of turns and in the same
direction as step 1.
If the headlight cannot be adjusted
using this procedure, take the vehi-
cle to your Toyota dealer to adjust
the headlight aim.
Check the wattage of the light
bulb to be replaced. ( P.450)
 P.127
■Front
Front side marker lights (bulb
type)
Adjusting the headlight
aimLight bulbs
You may replace the follow-
ing bulbs yourself. The diffi-
culty level of replacement
varies depending on the
bulb. If necessary bulb
replacement seems difficult
to perform, contact your
Toyota dealer.
For more information about
replacing other light bulbs,
contact your Toyota dealer.
Preparing for light bulb
replacement
Disabling the power back
door system (if equipped)
Bulb locations

3886-3. Do-it-yourself maintenance
Parking lights (bulb type)
Front turn signal lights (bulb
type)
■Rear
Tail lights/rear side marker
lights (bulb type)
Back-up lights
License plate lights
■Lights that need to be
replaced by your Toyota
dealer
 Headlights (if equipped)
 Headlights/daytime running
lights (if equipped)
 Daytime running lights/park-
ing lights (if equipped)
 Front turn signal lights (LED
type)
 Front side marker lights (LED
type)
 Fog lights (if equipped)
 Side turn signal lights (if
equipped)
 Tail lights (if equipped)
 Stop lights
 Rear turn signal lights 
High mounted stoplight
■LED light bulbs
The lights other than the following
lights each consist of a number of
LEDs. If any of t he LEDs burn out,
take your vehicle to your Toyota
dealer to have the light replaced.
●Front side marker lights (bulb
type)
●Parking lights (bulb type)
●Front turn signal lights (bulb type)
●Tail lights/rear side marker lights
(bulb type)
●Back-up lights
●License plate lights
■Condensation build-up on the
inside of the lens
Temporary condensation build-up
on the inside of t he headlight lens
does not indicate a malfunction.
Contact your Toyota dealer for more
information in t he following situa-
tions:
●Large drops of water have built up
on the inside of the lens.
●Water has built up inside the
headlight.
■Front side marker lights
(bulb type)
1 Turn the bulb base counter-
clockwise.
Replacing light bulbs

3896-3. Do-it-yourself maintenance
6
Maintenance and care
2Remove the light bulb.
3 When installing, reverse the
steps listed.
■Parking lights (bulb type)
1 Turn the bulb base counter-
clockwise.
2 Remove the light bulb.
3 When installing, reverse the
steps listed.
■Front turn signal lights
(bulb type)
1 Turn the bulb base counter-
clockwise.
2 Remove the light bulb.
3 When installing, reverse the
steps listed.
■Tail lights/rear side marker
lights (bulb type)
1 Open the back door.
2 Remove the 2 screws and
then remove the light unit by
pulling it straight back.

3906-3. Do-it-yourself maintenance
3Turn the bulb base counter-
clockwise.
4 Remove the light bulb.
5 When installing the light bulb,
install it by conducting steps
4 and 3 with the directions
reversed.
6 Install the light unit.
Align the 2 guides and push the
light unit toward the front of the
vehicle to install it.
7Install the 2 screws.
■Back-up lights
1 Open the back door and
remove the cover.
Using a flathead screwdriver,
remove the cover.
To prevent damage to the vehicle,
wrap the tip of th e flathead screw-
driver with tape, etc.
2 Turn the bulb base counter-
clockwise and remove it.