air filter TOYOTA COROLLA HYBRID 2021 (in English) User Guide

4587-3. Do-it-yourself maintenance
COROLLA HV_U
WA R N I N G
■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.
■When removing the air intake
vent cover
Do not touch the service plug
located near the air intake vent.
(  P. 8 4 )
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
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 (tr action battery)
and cause a malfunction.
■To prevent damage to the
vehicle
●Do not allow liquid or foreign
material to enter the air intake
vent when the cover is
removed.
●Carefully handle the removed
filter so that i t will not be dam-
aged.
If the filter is damaged, have it
replaced with a new filter by
your Toyota dealer.
●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.
■If “Maintenance Required for
Traction Battery Cooling
Parts See Owner’s Manual” is
displayed on the multi-infor-
mation display
If the vehicle is continuously
driven with the warning message
(indicating that charging/discharg-
ing of the hybrid battery [traction
battery] may become limited) dis-
played, the hybrid battery (traction
battery) may malfunction. If the
warning message is displayed,
clean the air intake vent immedi-
ately.

4908-2. Steps to take in an emergency
COROLLA HV_Uvent may be blocked, or there may
be a gap in the duct. Therefore,
perform the following correction
procedure.
• If the air intake vent and filter of the hybrid battery (traction battery)
are dirty, perform the procedure
on P.455 to clean them.
• If the warning message is shown
when the air intake vent and filter
of the hybrid battery (traction bat-
tery) are not dirty, have the vehicle
inspected by you r Toyota dealer.
Stop the vehicle in a safe
place on a hard, flat surface.
 Set the parking brake.
 Shift the shift lever to P.
NOTICE
■If “High Power Consumption
Partial Limit on AC/Heater
Operation” is displayed fre-
quently
There is a possible malfunction
relating to the ch arging system or
the 12-volt battery may be deteri-
orating. Have the vehicle
inspected by your Toyota dealer.
If you have a flat tire
(vehicles without
spare tire)
Your vehicle is not equipped
with a spare tire, but instead
is equipped with an emer-
gency tire puncture repair
kit.
A puncture caused by a nail
or screw passing through
the tire tread can be
repaired temporarily using
the emergency tire puncture
repair kit. (The kit contains a
bottle of sealant. The seal-
ant can be used only once
to temporarily repair one
tire without removing the
nail or screw from the tire.)
After temporarily repairing
the tire with the kit, have the
tire repaired or replaced by
your Toyota dealer.
WA R N I N G
■If you have a flat tire
Do not continue driving with a flat
tire.
Driving even a sho rt distance with
a flat tire can damage the tire and
the wheel beyond repair, which
could result in an accident.
Before repairing the tire

567Alphabetical Index
COROLLA HV_U
Alphabetical Index
A
A/C Air conditioning filter ............. 454
Automatic air conditioning sys-tem ..................................... 386
ABS (Anti-lock Brake System) ............................................... 240Warning light ........................ 480
ACA (Active Cornering Assist) ............................................... 240
Active Cornering Assist (ACA) ............................................... 240
Air conditioning filter ............. 454
Air conditioning system Air conditioning filter ............. 454
Automatic air conditioning sys-tem ..................................... 386
Airbags Airbag operating conditions.... 33
Airbag precautions for your child............................................. 36
Correct driving posture ........... 25
Curtain shield airbag operating conditions ............................. 34
Curtain shield airbag precautions ............................................. 36
Front passenger occupant clas- sification system ................... 41
General airbag precautions .... 36
Locations of airbags ............... 31
Modification and disposal of air- bags ..................................... 39
Side airbag operating conditions ............................................. 34
Side airbag precautions ......... 36
Side and curtain shield airbags operating conditions ............. 34
Side and curtain shield airbags precautions........................... 36
SRS airbags ........................... 31
SRS warning light................. 480 Alarm
Alarm ......................................90
Warning buzzer ....................478
AM ............................................303
Anchor brackets ... ..............50, 68
Android Auto ...........................314
Antennas (smart key system)125
Anti-lock Brake System (ABS) ...............................................240Warning light.........................480
Apple CarPlay/Android Auto .284 Troubleshooting ....................287
Approach warning ..................214
Apps button (Menu screen) ...255
Armrest ......... ......................... ..410
Assist grips .............................410
Audio .......................................298 Audio source ........................299
Operating information ...........322
Reordering the audio source 299
Screen adjustment ...............301
Some basics .........................299
Sound settings......................300
Turning the sys tem on and off
...........................................299
USB port ...............................300
Voice command system .......302
AUDIO button ..........................253
Audio button (Menu screen) ..255
Audio buttons overview .........253
Audio settings.........................321 Common settings .................321
Radio settings.......................321
Audio source...........................299
Audio system-linked display .107
Automatic air conditioning sys- tem .........................................386
Automatic High Beam ............175
Automatic light control system ...............................................174
Average fuel economy ...........104
Average vehicle speed ...........107