2023 TOYOTA SIENNA HYBRID filter

4416-3. Do-it-yourself maintenance
6
Maintenance and care
1Turn 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 illus-
tration to disengage the 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 filter from the air
intake vent cover.
Disengage the 3 center claws from
the filter.
If dust has accumula ted on the air
intake vent cover, remove the dust
with a vacuum cleaner, etc.
5 Remove the dust and sand
from the filter.
Using a vacuum cleaner, etc.,
absorb dust and sand from the filter
by profiling the nozzle lightly along
the fold.
NOTICE
■If “Maintenance Required for
Traction Battery Cooling
Parts See Owner’s Manual” is
displayed on the multi-infor-
mation display
Clean the air intake vents immedi-
ately.
If the vehicle is continuously
driven with the warning message
displayed, it may cause a mal-
function or output restriction of the
hybrid battery (tr action battery).
Cleaning procedure

4426-3. Do-it-yourself maintenance
6Hold the filter to the light and
check if it is not clogged.
If the dust or sa nd cannot be
removed complete ly, contact your
Toyota dealer.
7 Reinstall the filter to the
cover.
Engage the 3 center claws to install
the filter.
Make sure that t he filter is not
crooked or deformed when install-
ing it.
8 Install the air intake vent
cover.
I ns er t t he t ab o f th e co ve r a s sh ow n
in the illustrati on and push the cover to enga
ge the claws.
9Using a Phillips screwdriver,
install the clip.
If “Maintenance Required for
Traction Battery Cooling Parts
See Owner’s Manual” was
displayed on the multi-infor-
mation display
10Start the hybrid system and check that the warning mes-
sage is no longer displayed.
It may take appro ximately 20 min-
utes after the hybrid system is
started until the warning message
disappears.
If the warning message does not
disappear after some time, have
the vehicle inspected by your
Toyota dealer.
■If the dust or sand on the filter
cannot be removed
It is recommended to use a vacuum
cleaner with plastic brushes.

4436-3. Do-it-yourself maintenance
6
Maintenance and care
WARNING
■When cleaning the air intake
vents
●Do not use water or other liq-
uids to clean the air intake
vents. If water is applied to the
hybrid battery (traction battery)
or other components, a mal-
function or fire may occur.
●Before cleaning the air intake
vents, make sure to turn the
power switch off to stop the
hybrid system.
●Do not put a hand or leg in the
air intake vents. If it is caught in
a cooling fan, o r 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
vents
Do not use an air 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
matter to enter t he air intake
vents.
●Make sure to reinstall the filters
and covers to their original posi-
tions after cleaning.
●Do not install anything to the air
intake vents o ther than the
exclusive filters for this vehicle
or use the vehicle without the fil-
ters installed.
■To prevent damage to the fil-
ters
Observe the following precau-
tions.
If the filter is damaged, have it
replaced with a ne w filter by your
Toyota dealer.
●Do not use an ai r 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-
ter.

4797-2. Steps to take in an emergency
7
When trouble arises
the message is resolved. ( P.268,
464)
●PCS (Pre-Collis ion System)
●LTA (Lane Tracing Assist)
●Dynamic radar cruise control with
full-speed range
■If “Maintenance Required
Soon” is shown
Indicates that all maintenance
according to the driven distance on
the maintenance schedule
* should
be performed soon.
Comes on approximately 4500
miles (7200 km) after the message
has been reset.
If necessary, perform maintenance.
Please reset the message after the
maintenance is performed.
(  P.403)
*: Refer to the separate “Scheduled
Maintenance Guide” or “Owner’
Manual Supplement” for the main-
tenance interval applicable to your
vehicle.
■If “Maintenance Required Visit
Your Dealer” is shown
Indicates that all maintenance is
required to correspond to the driven
distance on the maintenance sched-
ule
*.
Comes on approximately 5000
miles (8000 km) after the message
has been reset. (The indicator will
not work properly unless the mes-
sage has been reset.)
Perform the necessary mainte-
nance. Please reset the message
after the maintenance is performed.
(  P.403)
*: Refer to the separate “Scheduled
Maintenance Guide” or “Owner’
Manual Supplement” for the main-
tenance interval applicable to your
vehicle.
■If “Oil Maintenance Required
Soon” is displayed
Indicates that the engine oil should
be scheduled to be changed.
Check the engine oil and change it if
necessary.
After changing the engine oil, make
sure to reset t he message.
(  P.415)
■If “Oil Maintenance Required
Visit Your Dealer” is displayed
Indicates that the engine oil should
be changed.
Check and change the engine oil
and oil filter by yo ur Toyota dealer.
After changing the engine oil, make
sure to reset t he message.
(
P.415)
■Warning buzzer
 P.471
NOTICE
■“High Power Consumption
Power to Climate Temporar-
ily Limited” is frequently
shown
There is a possible malfunction
relating to the charging system or
the 12-volt battery may be deteri-
orating. Have the vehicle
inspected by your Toyota dealer.
■If “Low Auxiliary Battery See
Owner’s Manual” is displayed
frequently
The 12-volt battery may have
deteriorated.
As the battery may discharge in
this state when left unattended,
have the battery inspected by
your Toyota dealer.

5198-1. Specifications
8
Vehicle specifications
Rear (AWD models)
■Oil capacity (Drain and refill
 reference
*)
*: The engine oil capacity is a refer-
ence quantity to be used when
changing the engine oil. Warm up
the engine and turn off the hybrid
system, wait more than 5 min-
utes, and check the oil level on
the dipstick.
■Engine oil selection
“Toyota Genuine Motor Oil” is
used in your Toyota vehicle.
Use Toyota approved “Toyota
Genuine Motor Oil” or equiva-
lent to satisfy the following
grade and viscosity.
Oil grade: ILSAC GF-6B multigrade engine
oil
Recommended viscosity:
SAE 0W-16
SAE 0W-16 is the best choice
for good fuel economy and good
starting in cold weather.
If SAE 0W-16 is not available,
SAE 0W-20 oil may be used.
However, it must be replaced
with SAE 0W-16 at the next oil
change.
TypePermanent magnet synchronous motor
Maximum output40 kW
Maximum torque89.2 ft•lbf (121 N•m, 12.3 kgf•m)
Hybrid battery (traction battery)
TypeNickel-Metal hy
dride battery
Voltage7.2 V/module
Capacity6.5 Ah (3HR)
Quantity40 modules
Nominal voltage288 V
Lubrication system
With filter4.8 qt. (4.5 L, 4.0 Imp.
qt.)
Without fil-
ter4.4 qt. (4.2 L, 3.7 Imp.
qt.)

569Alphabetical Index
Alphabetical Index
A
A/C ................................... 348, 358Air conditioning filter ............. 438
Eco air conditioning mode .... 352
Front automatic air conditioning system ................................ 348
Front seat concentrated airflow mode (S-FLOW) ................. 354
Rear automatic air conditioning system ................................ 358
ABS (Anti-lock Brake System) ............................................... 335Function ............................... 335
Warning light ........................ 466
ACA (Active Cornering Assist) ............................................... 336
Acoustic Vehicle Alerting Sys- tem ........................................... 81
Active Cornering Assist (ACA) ............................................... 336
AHB (Automatic High Beam) . 253
Airbags ...................................... 41 Airbag operating conditions.... 44
Airbag precautions for your child............................................. 46
Airbag warning light.............. 466
Correct driving posture ........... 33
Curtain shield airbag operating conditions ............................. 44
Curtain shield airbag precautions ............................................. 46
Front passenger occupant clas- sification system ................... 51
General airbag precautions .... 46
Locations of airbags ............... 41
Modification and disposal of air- bags ..................................... 49
Seat cushion airbag ............... 41
Side airbag operating conditions ............................................. 44
Side airbag precautions ......... 46 Side and curtain shield airbags
operating conditions .............44
Side and curtain shield airbags precautions ...........................46
SRS airbags ...........................41
SRS warning light .................466
Air conditioning filter .............438
Air conditioning system.348, 358 Air conditioning filter .............438
Changing the rear seat settings...........................................356
Eco air conditioning mode ....352
Front automatic air conditioning system ................................348
Front seat concent rated airflow
mode (S-FLOW) .................354
Rear automatic air conditioning system ................................358
Alarm .........................................89 Alarm ......................................89
Warning buzzer .. ..................464
Anchor brackets ... ..............60, 71
Antenna (Smart key system) .165
Anti-lock brake system (ABS)335 Function................................335
Warning light ........................466
Approach warning ..................298
Armrest ......... ......................... ..386
Assist grips .............................386
Automatic air conditioning sys- tem .................................348, 358Air conditioning filter .............438
Eco air conditioning mode ....352
Automatic High Beam (AHB) .253
Automatic light control system ...............................................252
Average fuel consumption ....125
Average fuel economy ...........106
Average vehicle speed ...111, 125
B
Back door ................................150

570Alphabetical Index
Hands Free Power Back door........................................... 155
Power back door .................. 153
Wireless remote control ....... 153
Back-up lights Replacing light bulbs ............ 448
Wattage ................................ 524
Battery (12-volt battery) ......... 419 If the 12-volt battery is dis-charged .............................. 504
Preparing and c hecking before
winter.................................. 344
Replacing ............................. 507
Warning light ........................ 464
Battery (traction battery) ......... 83
Blind Spot Monitor (BSM) ...... 302 Blind Spot Monitor function .. 305
Rear Cross Traffic Alert function........................................... 308
Bottle holders ......................... 369
Brake Brake Hold ........................... 249
Fluid ............................. 417, 522
Parking brake ....................... 246
Regenerative braking ............. 80
Warning light ........................ 464
Brake assist ............................ 335
Brake Hold .............................. 249
Break-in tips ........ ................... 211
Brightness control Instrument panel light control99, 103
BSM (Blind Spot Monitor) ...... 302 Blind Spot Monitor function .. 305
Rear Cross Traffic Alert function........................................... 308
C
Care Aluminum wheels ................. 396
Exterior ................................. 396
Interior .................................. 399 Seat belts .............................399
Cargo capacity ................217, 220
Cargo hooks............................372
Cargo net hooks .....................372
Chains......................................346
Child-protectors......................142
Child restraint system ..............58 Fixed with a LATCH system ...68
Fixed with a seat belt..............63
Front passenger occupant clas-sification system ...................51
Points to remember ................58
Riding with children ................57
Types of child restraint system installation method ...............60
Using an anchor bracket ........71
Child safety ...............................57 12-volt battery precautions .419, 508
Airbag precautions .................46
Back door precautions..........150
Child restraint system .............60
Heated steering wheel and seat heater precautio ns..............361
How your child should wear the seat belt ................................36
Moon roof precautions..........206
Power window lock switch ....204
Power window precautions...203
Removed key battery precau- tions ....................................445
Seat belt extender precautions .............................................36
Seat belt precautions..............35
Seat heater precautions .......361
Cleaning ..........................396, 399 Aluminum wheels .................396
Exterior .................................396
Hybrid battery (tr action battery)
air intake vents and filters...440
Interior ..................................399
Radar sensor ........................266

574Alphabetical Index
Heated steering wheel ........... 361
HeatersFront automatic air conditioning system ................................ 348
Heated steering wheel ......... 361
Outside rear view mirrors ..... 350
Rear automatic air conditioning system ................................ 358
Seat heaters ......................... 361
High mounted stoplight Replacing light bulbs ............ 448
Hill-start assist control .......... 336
Hood ........................................ 410
Hooks Cargo hooks ......................... 372
Coat hooks ........................... 388
Grocery bag hooks ............... 387
Retaining hooks (floor mat) .... 32
Horn ......................................... 187
Hybrid battery (tr action battery)
Location.................................. 83
Specification ......................... 519
Hybrid battery (traction battery) air intake vents ............... 85, 440
Hybrid battery (traction battery) air intake vents and filters ... 440
Hybrid battery air vent ............. 85
Hybrid system .......................... 79 ACC...................................... 237
Acoustic Vehicle Alerting System............................................. 81
Emergency shut off system .... 86
Energy monitor/consumption screen ................................ 122
EV drive mode...................... 239
High voltage components....... 83
How to start the hybrid system ........................................... 234
Hybrid battery (traction battery) air vents.............................. 440
Hybrid Electric Vehicle driving tips...................................... 342 Hybrid System Indicator .97, 101
Hybrid system precautions .....83
If the hybrid sys
tem will not start
...........................................499
If your vehicle has to be stopped in an emergency .................457
Ignition switch (power switch) ...........................................234
Overheating ..........................509
Power (ignition) switch .........234
Regenerative braking .............80
Starting the hybrid system ....234
Hybrid System I ndicator .98, 102,
121
Hybrid transmissio n ...............241
S mode .................................244
I
I/M test .....................................406
Identification Engine ..................................518
Vehicle..................................517
Ignition switch (power switch) ...............................................234Auto power off fun ction.........238
Changing the power switch modes.................................237
If your vehicle has to be stopped in an emergency .................457
Starting the hybrid system ....234
Illuminated entry system .......365
Immobilizer system ..................88
Indicators ..................................94
Initialization Items to initialize ...................551
Maintenance .........................403
Oil maintenance ...................415
Tire pressure warning system...........................................427
Inside rear view m irror ...187, 189
Instrument panel light control99, 103