2023 TOYOTA SIENNA HYBRID emergency towing

3224-5. Using the driving support systems
on
■The rear camera detection func-
tion is operational when
●The power switch is in ON.
●RCD function is on.
●The shift lever is in R.
■Setting the buzzer volume
The buzzer volume can be adjusted
on the multi-inform ation display.
(  P.112)
■Muting the buzzer sound
The buzzer can be temporarily
muted by pressing “OK” of the meter
control switches w hile a suggestion
that says mute is available is shown
on the multi-info rmation display.
■If “Rear Camera Detection
Unavailable Remove the Dirt of
Rear Camera” is displayed on
the multi-information display
A rear camera lens may be dirty or
covered with snow or ice. In such
cases, if it is removed from the rear
camera lens, the system should
return to normal. ( It may be neces-
sary to drive the vehicle for some
time before the system returns to
normal. Even afte r the camera
cleaning washer operated, driving
the vehicle may al so be necessary.)
■If “Rear Camera Detection
Unavailable See Owner’s Man-
ual” is displayed on the multi-
information display
●If this message is displayed after
the 12-volt battery has been dis-
connected and reconnected, fully
turn the steering wheel to the left
and then the right on level ground.
●If this message is displayed only
when the shift lever is in R, the
rear camera lens may be dirty.
Clean the rear camera lens.
■Situations in which the system
may not operate properly
●Some pedestrians, such as the following, may no
t be detected by
the rear camera detection func-
tion, preventing the function from
operating properly:
• Pedestrians who are bending for- ward or squatting
• Pedestrians who are lying down
• Pedestrians who are running
• Pedestrians who suddenly enter the detection area
• People riding a bicycle, skate- board, or other light vehicle
• Pedestrians wearing oversized clothing such as a rain coat, long
skirt, etc., making their silhouette
obscure
• Pedestrians whose body is par- tially hidden by an object, such as
a cart or umbrella
• Pedestrians which are obscured by darkness, such as at night
●In some situations, such as the
following, pedestrians may not be
detected by the rear camera
detection function, preventing the
function from operating properly:
• When backing up in inclement weather (rain, snow, fog, etc.)
• When the rear camera is
obscured (dirt, snow, ice, etc. are
attached) or scratched
• When a very bright light, such as
the sun, or the headlights of
another vehicle, shines directly
into the rear camera
• When backing up in a place where the surrounding brightness
changes suddenly, such as at the
entrance or exi t of a garage or
underground parking lot
• When backing up in a dim envi-
ronment such as during dusk or in
an underground parking lot
• When the dedicated camera
cleaning washer is operating
• When the camera position and direction are deviated
• When a towing hook is attached
• When water droplets are flowing
on the camera lens
• When the vehicle height is
extremely changed (nose up,
nose down)
• When tire chains or an emergency

3254-5. Using the driving support systems
4
Driving
The Parking Support Brake can
be enabled/disabled on the
screen of the multi-information
display. All of the Parking Sup-
port Brake functions (static
objects and rear-crossing vehi-
cles) are enabled/disabled
simultaneously. (P.112)
When the Parking Support Brake is
disabled, the PKSB OFF indicator
( P.94) illuminates on the multi-
information display.
To re-enable the system, select
on the multi-information display,
select and turn it on.
If the system is disabled, it will
remain off even if the power switch
is turned to ON after the power
switch has been turned off.
WARNING
●When inspecting the vehicle
using a chassis roller, chassis
dynamo or free roller.
●When loading the vehicle onto a
boat, truck or other transport
vessel.
●If the suspension has been
modified or tires of a size other
than specified are installed.
●If the front of the vehicle is
raised or lowered due to the
carried load.
●When equipment that may
obstruct a sensor is installed,
such as a towing eyelet, bumper
protector (an additional trim
strip, etc.), bicycle carrier, or
snow plow.
●When using automatic car
washing devices.
●If the vehicle cannot be driven in
a stable manner, such as when
the vehicle has been in an acci-
dent or is malfunctioning.
●When the vehicle is driven in a
sporty manner or off-road.
●When the tires are not properly
inflated.
●When the tires are very worn.
●When tire chains, a compact
spare tire or an emergency tire
puncture repair kit are used.
●When your vehicle is towing a
trailer or during emergency tow-
ing.
NOTICE
■If “Parking Support Brake
Unavailable” is displayed on
the multi-information display
and the PKSB OFF indicator
illuminates
If this message is displayed
immediately after the power
switch is changed to ON, operate
the vehicle carefully, paying atten-
tion to your surroundings. It may
be necessary to drive the vehicle
for a certain amount of time
before the system returns to nor-
mal. (If the system does not return
to normal after dr iving for a while,
clean the sensors and their sur-
rounding area on the bumpers.)
Enabling/Disabling the
Parking Support Brake

4607-2. Steps to take in an emergency
7-2.Steps to take in an emergency
If your vehicle needs
to be towed
If towing is necessary, we
recommend having your
vehicle towed by your
Toyota dealer or commer-
cial towing service, using a
wheel-lift type truck or flat-
bed truck.
Use a safety chain system
for all towing, and abide by
all state/provincial and local
laws.
2WD models: If towing your
vehicle with a wheel-lift type
truck from the front, the
vehicle’s rear wheels and
axles must be in good con-
ditions. (P.460, 461)
If they are damaged, use a
towing dolly or flatbed
truck.
AWD models: If towing your
vehicle with a wheel-lift type
truck, use a towing dolly.
( P.460, 461)
WARNING
Observe the following precau-
tions. Failure to do so may result
in death or serious injury.
■When towing the vehicle
2WD models: Be sure to transport
the vehicle with th e front wheels
raised or with all four wheels
raised off the ground. If the vehi-
cle is towed with th e front wheels
contacting the ground, the drive-
train and related parts may be
damaged or electricity generated
by the operation of the motor may
cause a fire to occur depending
on the nature of the damage or
malfunction.
AWD models: Be sure to transport
the vehicle with all four wheels
raised off the ground. If the vehi-
cle is towed with th e tires contact-
ing the ground, the drivetrain or
related parts may be damaged,
the vehicle may fly off the truck, or
electricity generated by the opera-
tion of the motor may cause a fire
to occur depending on the nature
of the damage or malfunction.

4617-2. Steps to take in an emergency
7
When trouble arises
The following may indicate a
problem with your transmission.
Contact your Toyota dealer or
commercial towing service
before towing.
The hybrid system warning
message is shown on the
multi-information display and
the vehicle does not move. 
The vehicle makes an abnor-
mal sound.
From the front (2WD models)
Release the parking brake.
Turn automatic mode off.
( P.247)
From the front (AWD models)
Use a towing dolly under the
rear wheels.
NOTICE
■To prevent damage to the
vehicle when towing using a
wheel-lift type truck
When raising the vehicle, ensure
adequate ground clearance for
towing at the opposite end of the
raised vehicle. Without adequate
clearance, the vehicle could be
damaged while being towed.
■To prevent damage to the
vehicle when towing with a
sling-type truck
Do not tow with a sling-type truck,
either from the front or rear.
■Recreational towing (behind
motor home, etc.)
Never dinghy tow your vehicle to
prevent causing serious damage
to the AWD system and transmis-
sion. ( P.232)
Situations when it is nec-
essary to contact dealers
before towing
Towing with a wheel-lift
type truck

4627-2. Steps to take in an emergency
From the rear
Use a towing dolly under the
front wheels.
When using a flatbed truck to
transport the vehicle, use tire
strapping belts. Refer to the
owner’s manual of the flatbed truck for the tire strapping
method.
In order to suppress vehicle
movement during transporta-
tion, set the parking brake and
turn the power switch off.
NOTICE
■Towing with a sling-type
truck
Do not tow with a sling-type truck
to prevent body damage.
2WD models
AWD models
Using a flatbed truck

4987-2. Steps to take in an emergency
1Install the spare tire and
loosely tighten each wheel
nut by hand by approximately
the same amount.
Turn the wheel nuts until the wash-
ers come into contact with the
disc wheel .
2Firmly tighten each wheel nut
two or three times in the
order shown in the illustra-
tion.
Tightening torque: 36.9 ft•lbf (50 N•m, 5.1 kgf•m)
3
Installing the cover.
NOTICE
■When replacing the tires
When removing or fitting the
wheels, tires or the tire pressure
warning valve and transmitter,
contact your Toyota dealer as the
tire pressure warning valve and
transmitter may be damaged if not
handled correctly.
Stowing the spare tire
A
B
:$51,1*
■When stowing the compact
spare tire
Be careful not to catch fingers or
other body parts between the
compact spare tire and the body
of the vehicle.

5137-2. Steps to take in an emergency
7
When trouble arises
WARNING
■When attempting to free a
stuck vehicle
If you choose to push the vehicle
back and forth to free it, make
sure the surrounding area is clear
to avoid striking other vehicles,
objects or people. The vehicle
may also lunge forward or lunge
back suddenly as it becomes free.
Use extreme caution.
■When shifting the shift lever
Be careful not to shift the shift
lever with the ac celerator pedal
depressed.
This may lead to unexpected
rapid acceleration of the vehicle
that may cause an accident
resulting in dea th or serious
injury.
NOTICE
■To avoid damaging the trans-
mission and other compo-
nents
●Avoid spinning the wheels and
depressing the accelerator
pedal more than necessary.
●If the vehicle remains stuck
even after these procedures are
performed, the vehicle may
require towing to be freed.

578Alphabetical Index
Head restraints ..................... 183
Rear side marker lights Light switch .......................... 251
Replacing light bulbs ............ 448
Rear turn signal lights Replacing light bulbs ............ 448
Turn signal lever................... 245
Wattage ................................ 524
Rear view mirror Digital Rear-view Mirror........ 189
Inside rear view mirror.......... 187
Outside rear view mirrors ..... 199
Rear window defogger ........... 350
Rear window wiper ................. 260
Refueling ................................. 262 Capacity ............................... 518
Fuel types..................... 518, 526
If the fuel filler door cannot be opened ............................... 501
Opening the fuel tank cap .... 263
Regenerative braking ............... 80
Replacing Electronic key battery ........... 444
Fuses ................................... 446
Light bulbs ............................ 448
Tires ..................................... 490
Wireless remote control battery........................................... 444
Reporting safety defects for U.S. owners................................... 554
Resetting the message indicat- ing maintenance is required 403
Road Sign Assist .................... 288
RSA (Road Sign Assist) ......... 288
S
Safety Connect ......................... 75
Seat belt reminder light ......... 471
Seat belts .................................. 35 Adjusting the seat belt shoulder anchor height ....................... 39
Automatic Locking Retractor .. 39 Child restraint sys
tem installation
.............................................63
Cleaning and maintaining the seat belt ..............................399
Emergency Locking Retractor 38
How to wear your seat belt .....36
How your child should wear the seat belt ................................36
Pregnant women, proper seat belt use .................................35
Reminder light and buzzer ...471
Seat belt extender ..................36
Seat belt pretensioners ..........39
SRS warning light .................466
Seat heaters ............................361
Seating capacity .............220, 517
Seat position memory ............179
Seats Adjustment precautions 171, 177
Adjustment ...................170, 172
Child seats/child restraint system installation ............................58
Cleaning ...............................399
Driving position memory .......179
Folding third seats ................175
Head restraint .......................183
Installing seco nd center seats
...........................................175
Properly sitting in the seat ......33
Removing second center seats ...........................................174
Seat heaters ....... ..................361
Seat position memory...........179
Seat ventilators.....................361
Stowing third seats ...............176
Seat ventilators .. .....................361
Secondary Collision Brake ....336
Sensor AHB (Automatic High Beam) 253
Automatic headlight system .252
BSM (Blind Spot M onitor) .....304
Digital Rear-view Mirror ........193