2023 TOYOTA COROLLA CROSS maintenance

3676-3. Do-it-yourself maintenance
6
Maintenance and care
claws ( ), and remove the
filter cover.
5 Remove the filter case.
6 Remove the air conditioning
filter from the filter case and
replace it with a new one.
The “ UP” marks shown on the
filter and the filter case should be
pointing up.
■Checking interval
Replace the air conditioning filter
according to the maintenance
schedule. In dusty areas or areas
with heavy traffic flow, early replace- ment may be required. (For sched-
uled 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 rep lace if necessary.
NOTICE
■When using the air condition-
ing system
Make sure that a filter is always
installed.
Using the air conditioning system
without a filter may cause damage
to the system.
■To prevent damage to the fil-
ter cover
When moving the filter cover in
the direction of arrow to release
the fitting, pay attention not to
apply excessive force to the
claws. Otherwise, the claws may
be damaged.

3686-3. Do-it-yourself maintenance
*: If equipped
■If the key battery is depleted
The following symptoms may occur:
●The smart key system (if
equipped) and wireless remote
control will not fu nction properly.
●The operational range will be
reduced.
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2016 (vehi-
cles without a smart key sys-
tem) or CR2450 (vehicles with
a smart key system)
■Use a CR2016 or CR2450 lith-
ium 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 ba tteries accord- ing to local laws.
Vehicles without a smart key
system
1 Remove the cover.
To prevent damage to the key,
cover the tip of the flathead screw-
driver with a rag.
2Remove the module.
3 Open the case cover using a
coin protected with tape etc.
and remove the depleted bat-
tery.
Insert a new battery with the “+” ter-
Wireless remote con-
trol/electronic key bat-
ter 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
Replacing the battery

3696-3. Do-it-yourself maintenance
6
Maintenance and care
minal facing up.
4Install the cover.
Align the cover with the key and
then press it straight into the key.
Make sure that the cover is
securely installed without any gaps
between it and the key.
5Operate the or switch
and check that the doors can
be locked/unlocked.
Vehicles with a smart key sys-
tem
1 Release 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 batt ery 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.

3706-3. Do-it-yourself maintenance
WARNING
■Battery precautions
Observe the following precau-
tions.
Failure to do so m ay result in
death or serious injury.
●Do not swallow the battery.
Doing so may cause chemical
burns.
●A coin battery o r button battery
is used in the 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 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 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 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.

3716-3. Do-it-yourself maintenance
6
Maintenance and care
1Turn the engine 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.
3Remove 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.
Type A
Normal fuse
Blown fuse
Type B
Checking and 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

3726-3. Do-it-yourself maintenance
Normal fuse
Blown fuse
Type C
Normal fuse
Blown fuse
Type DNormal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure
that the tab is installed securely.
●If the lights do n ot turn on even
after the fuse has been replaced,
a bulb may need replacement.
(  P.374)
●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.
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.

3736-3. Do-it-yourself maintenance
6
Maintenance and care
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. 1
Using 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 procedu re, take the vehi-
cle to your Toyota dealer to adjust
the headlight aim.
Headlight aim
Vertical movement adjust-
ing bolts
Before checking the head-
light aim
Adjusting the headlight
aim

3746-3. Do-it-yourself maintenance
Check the wattage of the light
bulb to be replaced. ( P.435)
 P. 1 1 6
■Front
Front side marker lights (bulb
type) 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
Light 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