2022 TOYOTA SIENNA HYBRID wipers

2654-5. Using the driving support systems
4
Driving
WARNING
■To avoid malfunction of the
radar sensor
Observe the following precau-
tions.
Otherwise, the radar sensor may
not operate properly, possibly
leading to an accident resulting in
death or serious injury.
●Keep the radar sensor and the
radar sensor cover clean at all
times.
Radar sensor
Radar sensor cover
If the front of the r adar sensor or
the front or back of the radar sen-
sor cover is dirty or covered with
water droplets, snow, etc., clean
it.
Clean the radar sensor and radar
sensor cover with a soft cloth to
avoid damaging them.
●Do not attach accessories,
stickers (including transparent
stickers) or other items to the
radar sensor, radar sensor
cover or surrounding area.
●Do not subject the radar sensor
or its surrounding area to a
strong impact.
If the radar sensor, fron t grille,
or front bumper has been sub-
jected to a strong impact, have
the vehicle insp ected by your
Toyota dealer.
A
B
●Do not disassemble the radar
sensor.
●Do not modify or paint the radar
sensor or radar sensor cover.
●In the following cases, the radar
sensor must be recalibrated.
Contact your Toyota dealer for
details.
• When the radar s ensor or front
grille are removed and installed,
or replaced
• When the front bumper is replaced
■To avoid malfunction of the
front camera
Observe the following precau-
tions.
Otherwise, the f ront camera may
not operate properly, possibly
leading to an accident resulting in
death or serious injury.
●Keep the windshield clean at all
times.
• If the windshield is dirty or cov-
ered with an o ily film, water
droplets, snow, etc., clean the
windshield.
• If a glass coating agent is applied to the windshield, it will
still be necessary to use the
windshield wipers to remove
water droplets, etc. from the
area of the windshield in front of
the front camera.
• If the inner side of the wind- shield where the front camera is
installed is dirty, contact your
Toyota dealer.

2664-5. Using the driving support systems
WARNING
●Do not attach objects, such as
stickers, transparent stickers,
etc., to the outer side of the
windshield in fr ont of the front
camera (shaded area in the
illustration).
From the top of the windshield
to approximately 0.4 in. (1 cm)
below the bottom of the front
camera
Approximately 7.9 in. (20 cm)
(Approximately 4.0 in. [10 cm]
to the right and left from the
center of the front camera)
●If the part of the windshield in
front of the front camera is
fogged up or covered with con-
densation, or ice, use the wind-
shield defogger to remove the
fog, condensation, or ice.
( P.349)
●If water droplets cannot be
properly removed from the area
of the windshield in front of the
front camera by the windshield
wipers, replace the wiper insert
or wiper blade.
●Do not attach win dow tint to the
windshield.
●Replace the windshield if it is
damaged or cracked.
After replacing the windshield,
the front camera must be recali-
brated. Contact your Toyota
dealer for details.
A
B
●Do not allow liquids to contact
the front camera.
●Do not allow bright lights to
shine into the front camera.
●Do not dirty or damage the front
camera.
When cleaning the inside of the
windshield, do not allow glass
cleaner to contact the lens of
the front camera . Also, do not
touch the lens.
If the lens is dirty or damaged,
contact your Toyota dealer.
●Do not subject the front camera
to a strong impact.
●Do not change the installation
position or direction of the front
camera or remove it.
●Do not disassemble the front
camera.
●Do not modify any components
of the vehicle around the front
camera (inside rear view mirror,
etc.) or ceiling.
●Do not attach any accessories
to the hood, front grille or front
bumper that may obstruct the
front camera. Contact your
Toyota dealer for details.
●If a surfboard or other long
object is to be mounted on the
roof, make sure that it will not
obstruct the front camera.
●Do not modify the headlights or
other lights.

3505-1. Using the air conditioning system and defogger
switch.
■Defogging the rear window
and outside rear view mir-
rors (if equipped), and de-
icing windshield wipers (if
equipped)
Defoggers are used to defog the
rear window and to remove rain-
drops, dew and frost from the
outside rear view mirrors (if
equipped).
The windshield wiper de-icer is
used to prevent ice from building
up on the windshield and wiper
blades.
Press the rear window defog-
ger/outside rear view mirror
defoggers /windshield wiper de-
icer switch.
The defoggers and windshield
wiper de-icer will automatically turn
off after 15 minutes.
When the rear window defog-
ger/outside rear v iew mirror defog-
gers /windshield wiper de-icer
switch is on, the indicator illumi-
nates on the switch.
■Eco air conditioning mode
The air conditioning is controlled
with low fuel consumption priori-
tized such as reducing fan
speed, etc.
Select the eco air conditioning
mode switch on the control
screen. ( P.352)
When the eco air conditioning
mode is on, the indicator illumi-
nates on the eco air conditioning mode switch.
■Fogging up of the windows
●The windows will
easily fog up
when the humidity in the vehicle is
high. Turning “A/C” switch on will
dehumidify the air from the outlets
and defog the windshield effec-
tively.
●If you turn “A/C” switch off, the
windows may fog up more easily.
●The windows may fog up if the
recirculated air mode is used.
■When driving on dusty roads
Close all windows. If dust thrown up
by the vehicle is still drawn into the
vehicle after closing the windows, it
is recommended that the air intake
mode be set to outside air mode
and the fan speed to any setting
except off.
■Outside/recirculated air mode
●Setting to the recirculated air
mode temporarily is recom-
mended in preventing dirty air
from entering the vehicle interior
and helping to c ool the vehicle
when the outside air temperature
is high.
●Outside/recirculated air mode may
automatically switch depending on
the temperature setting or the
inside temperature.
■When the outside temperature
exceeds 75°F (24°C) and the air
conditioning system is on
●In order to reduce the air condi-
tioning power consumption, the air
conditioning system may switch to
recirculated air mode automati-
cally. This may also reduce fuel
consumption.
●Recirculated air mode is selected
as a default mode when the power
switch is turned to ON.
●It is possible to switch to outside
air mode at any time by pressing
the outside/recirculated air mode

3976-1. Maintenance and care
6
Maintenance and care
wheels when they are hot, such
as after driving or parking in hot
weather
■Brake pads and calipers
Rust may form if the vehicle is
parked with wet brake pads or disc
rotors, causing them to stick. Before
parking the vehicle after it is
washed, drive slow ly and apply the
brakes several times to dry the
parts.
■Bumpers
Do not scrub with abrasive cleaners.
■Plated portions
If dirt cannot be removed, clean the
parts as follows:
●Use a soft cloth dampened with
an approximately 5% solution of
neutral detergent and water to
clean the dirt off.
●Wipe the surface with a dry, soft
cloth to remove any remaining
moisture.
●To remove oily deposits, use alco-
hol wet wipes or a similar product.
WARNING
■When washing the vehicle
Do not apply water to the inside of
the engine compartment. Doing
so may cause the electrical com-
ponents, etc. to catch fire.
■When cleaning the windshield
(vehicles with rain-sensing
windshield wipers)
Set the wiper switch to off.
If the wiper switch is in “AUTO”,
the wipers may operate unexpect-
edly in the following situations,
and may result in hands being
caught or other serious injuries
and cause damage to the wiper
blades.
Off
AUTO
●When the upper part of the
windshield where the raindrop
sensor is located is touched by
hand
●When a wet rag or similar is
held close to the raindrop sen-
sor
●If something bumps against the
windshield
●If you directly touch the raindrop
sensor body or if something
bumps into the ra indrop sensor
■Precautions regarding the
exhaust pipes
Exhaust gasses cause the
exhaust pipes to become quite
hot.
When washing the vehicle, be
careful not to touch the pipes until
they have cooled sufficiently, as
touching hot exhaust pipes can
cause burns.
A
B

3986-1. Maintenance and care
WARNING
■Precaution regarding the rear
bumper with Blind Spot Moni-
tor (if equipped)
If the paint of the rear bumper is
chipped or scratched, the system
may malfunction. If this occurs,
consult your Toyota dealer.
NOTICE
■To prevent paint deterioration
and corrosion on the body
and components (aluminum
wheels, etc.)
●Wash the vehicle immediately in
the following cases:
• After driving near the sea coast
• After driving on salted roads
• If coal tar or tre e sap is present
on the paint surface
• If dead insects, insect droppings or bird droppings are present on
the paint surface
• After driving in an area contami- nated with soot, oily smoke,
mine dust, iron powder or chem-
ical substances
• If the vehicle becomes heavily soiled with dust or mud
• If liquids such as benzene and gasoline are spilled on the paint
surface
●If the paint is chipped or
scratched, have it repaired
immediately.
●To prevent the wheels from cor-
roding, remove any dirt and
store in a place with low humid-
ity when storing the wheels.
■Cleaning the exterior lights
●Wash carefully. Do not use
organic substances or scrub
with a hard brush.
This may damage the surfaces
of the lights.
●Do not apply wax to the sur-
faces of the lights.
Wax may cause damage to the
lenses.
■When using an automatic car
wash (vehicles with rain-
sensing windshield wipers)
Set the wiper switch to off posi-
tion.
If the wiper switch is in “AUTO”,
the wipers may operate and the
wiper blades may be damaged.
■When using a high pressure
car wash
●When washing the vehicle, do
not spray the camera or its sur-
rounding area directly with a
high pressure washer. Shock
applied from high pressure
water may cause the device to
not operate normally.
●Do not spray water directly on
the radar which is equipped
behind the emblem. Otherwise
it may cause the device to be
damaged.
●Do not bring the nozzle tip close
to boots (rubber or resin manu-
factured cover), connectors or
the following parts.
The parts may be damaged if
they come into contact with
high-pressure water.
• Traction re lated parts
• Steering parts
• Suspension parts
• Brake parts

4066-2. Maintenance
The OBD system determines
that a problem exists some-
where in the emission control
system. Your vehicle may not
pass the I/M test and may need
to be repaired. Contact your
Toyota dealer to service the
vehicle.
When the 12-volt battery is
disconnected or discharged
Readiness codes that are set
during ordinary driving are
erased.
Also, depending on your driv-
ing habits, the readiness
codes may not be completely
set.
 When the fuel tank cap is
Vehicle exterior
ItemsCheck points
Doors
• Do the doors
operate
smoothly?
Engine hood
• Does the engine hood lock system
work properly?
Fluid leaks
• There should not be any signs of
fluid leakage
after the vehicle
has been parked.
Tires
• Is the tire infla-tion pressure
correct?
• The tires should not be damaged
or excessively
worn.
• Have the tires been rotated
according to the
maintenance
schedule?
• The wheel nuts should not be
loose.
Windshield
wipers/rear
window wiper
• The wiper blades should not show
any signs of
cracking, split-
ting, wear, con-
tamination or
deformation.
• The wiper blades should clear the
windshield/rear
window without
streaking or skip-
ping.
Emission inspection
and maintenance (I/M)
programs
Some states have vehicle
emission inspection pro-
grams which include OBD
(On Board Diagnostics)
checks. The OBD system
monitors the operation of
the emission control sys-
tem.
If the malfunction indica-
tor lamp comes on
Your vehicle may not
pass the I/M test in the fol-
lowing situations:

Alphabetical Index579
Inside rear view mirror.......... 188
Intuitive parking assist .......... 311
LTA (Lane Tracing Assist).... 277
Parking Support Brake function (rear-crossing vehicles) ...... 303
Parking Support Brake function (static objects) .................... 311
Rain-sensing windshield wipers ........................................... 258
RCTA (Rear Cross Traffic Alert) ........................................... 303
Toyota Safety Sense ............ 264
Service plug .............................. 83
Service reminder message .... 403
Shift lever ................................ 240 If the shift lever cannot be shifted from P................................. 242
Shift lock system .................... 242
Shopping bag hooks .............. 387
Side airbags .............................. 41
Side auxiliary box ................... 372
Side marker lights Light switch .......................... 250
Replacing light bulbs ............ 448
Side mirrors ............................ 199 Adjustment ........................... 199
BSM (Blind Spot Monitor)..... 302
Folding ................................. 200
Heaters................................. 350
Linked mirror function when reversing ............................ 200
Side turn signal lights Replacing light bulbs ............ 448
Turn signal lever................... 244
Side windows ...... ................... 202
Sliding doors Canceling the power sliding door system ................................ 148
Hands Free Power Sliding doors
........................................... 141
Keyless entry........................ 138
Power sliding doors .............. 137 Sliding door child-protectors .142
Wireless remote control........139
Smart key system ...................165 Antenna location...................165
Entry functions......132, 138, 151
Starting the hybrid system ....233
Warning message . ...............475
Snow tires ...............................343
Spare tire Storage location ...................490
Spark plug ...............................520
Specifications .........................516
Speedometer .....................97, 101
Sport mode..............................333
Steering wheel Adjustment ...........................186
Heated steering wheel..........361
Meter control switches..........105
Stop lights Replacing light bulbs ............448
Storage feature .. .....................366
Storage precaution s ...............367
Stuck If the vehicle becomes stuck 513
Suggestion functi on ...............117
Sunshade ........................205, 385
Sun visors ...............................374
Switches “ODO TRIP” switch .........99, 103
“SOS” button ..........................75
Automatic High Beam switch 252
Brake hold switch .................248
BSM (Blind Spot M onitor) .....302
Digital Rear-view Mirror control switches..............................189
Door lock switch ...................135
Driving mode select switch ...333
Driving position memory switches..............................179
Dynamic radar cruise control with full-speed range ..........291
Emergency flashers switch...456

580Alphabetical Index
EV drive mode switch........... 238
Fog light switch .................... 256
Garage door opener switches........................................... 388
Head-up display switch ........ 119
Heated steering wheel ......... 361
Ignition switch (power switch) ........................................... 233
Intuitive parking assist .......... 312
Light switch .......................... 250
LTA switch............................ 282
Meter control switches ......... 105
Moon roof switches .............. 205
Outside rear view mirror switches ............................. 199
Parking brake switch ............ 245
PCS (Pre-Collision System) . 271
PKSB (Parking Support Brake) ........................................... 324
Power back door switch ....... 154
Power door lock switch ........ 135
Power sliding door main switch ........................................... 149
Power sliding door switches . 140
Power switch ........................ 233
Power window switch ........... 202
RCD (Rear Camera Detection) switch ................................. 320
RCTA (Rear Cross Traffic Alert) ........................................... 302
Rear window and outside rear view mirror defoggers switch........................................... 350
Rear window wipe r and washer
switch ................................. 259
Seat heater switches ............ 361
Seat ventilator switches ....... 362
Vehicle-to-vehicle distance switch ................................. 290
VSC OFF switch................... 336
Window lock switch .............. 204
Windshield defogger switch . 349 Windshield wiper de-icer switch
...........................................353
Windshield wipers and washer switch .................................256
T
Tail lights Light switch...........................250
Replacing light bulbs ............448
Theft deterrent system Alarm ......................................89
Immobilizer system .................88
Tire inflation pressure Maintenance data .................523
Tire inflation pressure display function ...............................424
Warning light ........................470
Tire information ......................528 Glossary ...............................532
Size ......................................530
Tire identification number .....529
Tire section names ...............530
Tire pressure warning system Function................................424
Initializing..............................427
Installing tire p ressure warning
valves and transmitters ......426
Registering ID codes ............430
Warning light ........................470
Tires .........................................421 Chains ..................................345
Checking ..............................421
Glossary ...............................532
If you have a flat tire .....480, 490
Inflation pressure ..................435
Information ......... ..................528
Replacing .............................490
Rotating tires ........................423
Size ......................................523
Snow tires.............................343
Spare tire ..............................490
Tire identification number .....529