2023 TOYOTA SIENNA HYBRID stop start

2124-1. Before driving
• Do not drive at a constant speed for extended periods.
■Operating your vehicle in a for-
eign country
Comply with the relevant vehicle
registration laws and confirm the
availability of the correct fuel.
(  P.518)
WARNING
Observe the following precau-
tions.
Failure to do so m ay result in
death or serious injury.
■When starting the vehicle
Always keep your foot on the
brake pedal while stopped with
the “READY” indicator is illumi-
nated. This prevents the vehicle
from creeping.
■When driving the vehicle
●Do not drive if y ou are unfamil-
iar with the location of the brake
and accelerator pedals to avoid
depressing the wrong pedal.
• Accidentally depressing the accelerator pedal instead of the
brake pedal will result in sudden
acceleration that may lead to an
accident.
• When backing up, you may twist your body around, leading to a
difficulty in operating the pedals.
Make sure to operate the pedals
properly.
• Make sure to keep a correct driving posture even when mov-
ing the vehicle only slightly. This
allows you to depress the brake
and accelerator pedals properly.
• Depress the brake pedal using your right foot. Depressing the
brake pedal using your left foot
may delay respon se in an emer-
gency, resulting in an accident.
●The driver should pay extra
attention to pedestrians when
the vehicle is powered only by
the electric motor (traction
motor). As there is no engine
noise, the pedestrians may mis-
judge the vehicle’s movement.
Even though the vehicle is
equipped with the Acoustic
Vehicle Alerting System, drive
with care as pedestrians in the
vicinity may still not notice the
vehicle if the surrounding area
is noisy.
●Do not drive the vehicle over or
stop the vehicle near flammable
materials such as leaves, paper
or rags.
The exhaust system and
exhaust gases can be
extremely hot. These hot parts
may cause a fire i f there is any
flammable material nearby.
●During normal driving, do not
turn off the hybrid system. Turn-
ing the hybrid s ystem off while
driving will not cause loss of
steering or braking control, how-
ever, power assist to the steer-
ing will be lost. This will make it
more difficult to steer smoothly,
so you should pull over and stop
the vehicle as soon as it is safe
to do so. In the event of an
emergency, such as if it
becomes impossible to stop the
vehicle in the normal way:
 P.457
●Use engine braking (downshift)
to maintain a safe speed when
driving down a steep hill.
Using the brakes continuously
may cause the brakes to over-
heat and lose effectiveness.
( P.241)

2154-1. Before driving
4
Driving
WARNING
●Do not leave a door or window
open if the curved glass is
coated with a metallized film
such as a silver-colored one.
Reflected sunlight may cause
the glass to act as a lens, caus-
ing a fire.
●Always apply the parking brake,
shift the shift lever to P, stop the
hybrid system and lock the vehi-
cle.
Do not leave the vehicle unat-
tended while the “READY” indi-
cator is illuminated.
If the vehicle is parked with the
shift lever in P but the parking
brake is not set, the vehicle may
start to move, possibly leading
to an accident.
●Do not touch the exhaust pipes
while the “READY” indicator is
illuminated or immediately after
turning the hybrid system off.
Doing so may cause burns.
■When taking a nap in the
vehicle
Always turn the hybrid system off.
Otherwise, if you accidentally
move the shift lever or depress
the accelerator pedal, this could
cause an accident or fire due to
hybrid system overheating. Addi-
tionally, if the vehicle is parked in
a poorly ventilated area, exhaust
gases may collect and enter the
vehicle, leading to death or a seri-
ous health hazard.
■When braking
●When the brakes a re wet, drive
more cautiously.
Braking distance increases
when the brakes are wet, and
this may cause one side of the
vehicle to brake differently than
the other side. Also, the parking
brake may not securely hold the
vehicle.
●If the electronically controlled
brake system does not operate,
do not follow other vehicles
closely and avoid hills or sharp
turns that require braking.
In this case, braking is still pos-
sible, but the brake pedal
should be depressed more
firmly than usual. Also, the brak-
ing distance will increase. Have
your brakes fixed immediately.
●The brake system consists of 2
or more individual hydraulic sys-
tems; if one of the systems fails,
the other will still operate. In this
case, the brake pedal should be
depressed more firmly than
usual and the braking distance
will increase. Have your brakes
fixed immediately.
■If the vehicle becomes stuck
(AWD models)
Do not spin the wheels exces-
sively when any of the tires is up
in the air, or the vehicle is stuck in
sand, mud, etc. This may damage
the driveline components or pro-
pel the vehicle forward or back-
ward, causing an accident.
NOTICE
■When driving the vehicle
●Do not depress the accelerator
and brake pedals at the same
time during driving, as this may
restrain the hybrid system out-
put.
●Do not use the accelerator
pedal or depress the accelera-
tor and brake pedals at the
same time to hold the vehicle on
a hill.

2194-1. Before driving
4
Driving
load
As shown in the example above,
if the number of occupants
increases, the cargo and lug-
gage load will be reduced by an
amount that equals the
increased weight due to the
additional occupants. In other
words, if an increase in the num-
ber of occupants causes an
excess of the total load capacity
(combined weight of occupants
plus cargo and luggage load),
you must reduce the cargo and
luggage on your vehicle.
■Roof luggage carrier com-
ponentsRoof rails
Cross rails
Roof luggage carrier (if
equipped)
A
B
:$51,1*
■When loading cargo on the
roof luggage carrier
To use the roof ra ils as a roof lug-
gage carrier, you m ust fit the roof
rails with two or more genuine
Toyota cross rails or their equiva-
lent. When you load cargo on the
roof luggage carrier, observe the
following:
●Place the cargo so that its
weight is distributed evenly
between the front and rear
axles.
●If loading long or wide cargo,
never exceed the vehicle overall
length or width. ( P.516)
●Before driving, m ake sure the
cargo is securely fastened on
the roof luggage carrier.
●Loading cargo on the roof lug-
gage carrier will make the cen-
ter of gravity of the vehicle
higher. Avoid high speeds, sud-
den starts, sharp turns, sudden
braking or abrupt maneuvers,
otherwise it may result in loss of
control or vehicle rollover due to
failure to operate this vehicle
correctly and result in death or
serious injury.
●If driving for a long distance, on
rough roads, or at high speeds,
stop the vehicle now and then
during the trip to make sure the
cargo remains in its place.
●Do not exceed 150 lb. (68 kg)
cargo weight on the roof lug-
gage carrier. Place the cargo so
that its weight is distributed
evenly between both cross rails.

2304-1. Before driving
Before starting out, check the
trailer lights, tires and the
vehicle-trailer connections.
Recheck after driving a short
distance.
 Practice turning, stopping and
reversing with the trailer
attached in an area away
from traffic until you become
accustomed to the feel of the
vehicle-trailer combination.
 Reversing with a trailer
attached is difficult and
requires practice. Grip the
bottom of the steering wheel
and move your hand to the
left to move the trailer to the
left. Move your hand to the
right to move the trailer to the
right. (This is generally oppo-
site to reversing without a
trailer attached.) Avoid sharp
or prolonged turning. Have
someone guide you when
reversing to reduce the risk of
an accident.
 As stopping distance is
increased when towing a
trailer, vehicle-to vehicle dis-
tance should be increased.
For each 10 mph (16 km/h) of
speed, allow at least one
vehicle and trailer length.
 Avoid sudden braking as you
may skid, resulting in the
trailer jackknifing and a loss of
vehicle control. This is espe-
cially true on wet or slippery
surfaces. 
Avoid jerky starts or sudden
acceleration.
 Avoid jerky steering and
sharp turns, and slow down
before making turn.
 Note that when making a turn,
the trailer wheels will be
closer than the vehicle wheels
to the inside of the turn. Com-
pensate by making a wider
than normal turning radius.
 Slow down before making a
turn, in cross winds, on wet or
slippery surfaces, etc.
Increasing vehicle speed can
destabilize the trailer.
Take care when passing other
vehicles. Passing requires
considerable distance. After
passing a vehicle, do not for-
get the length of your trailer,
and be sure you have plenty
of room before changing
lanes.
 To maintain engine braking
efficiency and charging sys-
tem performance, when using
engine braking, do not use
the transmission in D.
 Instability happens more fre-
quently when descending
steep or long downhill grades.
Before descending, slow
down and downshift. Do not
make sudden downshifts
while descending steep or
long downhill grades.
 Avoid holding the brake pedal

2314-1. Before driving
4
Driving
down too long or applying the
brakes too frequently. This
could cause the brakes to
overheat and result in
reduced braking efficiency.
 Due to the added load of the
trailer, your vehicle’s hybrid
system may overheat on hot
days (at temperatures over
85°F [30°C]) when driving up
a long or steep grade. If the
engine coolant temperature
gauge indicates overheating,
immediately turn off the air
conditioning (if in use), pull
your vehicle off the road and
stop in a safe spot. ( P.509)
 Always place wheel blocks
under both the vehicle’s and
the trailer’s wheels when
parking. Apply the parking
brake firmly, and put the
transmission in P. Avoid park-
ing on a slope, but if unavoid-
able, do so only after
performing the following:
1 Apply the brakes and keep
them applied.
2 Have someone place wheel
blocks under both the vehi-
cle’s and trailer’s wheels.
3 When the wheel blocks are in
place, release the brakes
slowly until the blocks absorb
the load.
4 Apply the parking brake
firmly. 5
Shift into P and turn off the
hybrid system.
 When restarting after parking
on a slope:
1 With the transmission in P,
start the hybrid system. Be
sure to keep the brake pedal
depressed.
2 Shift into a forward gear. If
reversing, shift into R.
3 If the parking brake is in man-
ual mode, release the park-
ing brake. ( P.246)
4 Release the brake pedal, and
slowly pull or back away from
the wheel blocks. Stop and
apply the brakes.
5 Have someone retrieve the
blocks.
■Break-in schedule
If your vehicle is new or equipped
with any new power train compo-
nents (such as an engine, transmis-
sion, differential or wheel bearing),
Toyota recommends that you do not
tow a trailer until the vehicle has
been driven for over 500 miles (800
km).
After the vehicle has been driven for
over 500 miles (800 km), you can
start towing. However, for the next
500 miles (800 km), drive the vehi-
cle at a speed of less than 45 mph
(72 km/h) when towing a trailer, and
avoid full throttle acceleration.
■Maintenance
●If you tow a traile r, your vehicle
will require more fr equent mainte-
nance due to the additional load.
(See “Scheduled Maintenance
Guide” or “Owner ’s Manual Sup-
plement”.)

2374-2. Driving procedures
4
Driving
Modes can be changed by
pressing the power switch with
the brake pedal released. (The
mode changes each time the
switch is pressed.)
WARNING
■Stopping the hybrid system
in an emergency
●If you want to stop the hybrid
system in an emergency while
driving the vehicle, press and
hold the power switch for more
than 2 seconds, or press it
briefly 3 times or more in suc-
cession. (P.457)
However, do not touch the
power switch while driving
except in an emergency. Turn-
ing the hybrid system off while
driving will not cause loss of
steering or braking control.
However, power assist for the
steering wheel may be lost mak-
ing it difficult to steer smoothly
before stopping the vehicle
depending on the remaining
charge in the 12-volt battery or
usage conditions. In this situa-
tion, you should pull over and
stop the vehicle as soon as it is
safe to do so.
●If the power switch is operated
while the vehicle is running, a
warning message will be shown
on the multi-info rmation display
and a buzzer sounds.
●When restarting the hybrid sys-
tem after an emergency shut-
down, shift the shift lever to N
and press the power switch
shortly and firmly.
■When parking
Exhaust gases include harmful
carbon monoxide (CO), which is
colorless and odorless. Observe
the following precautions.
Failure to do so may cause
exhaust gases to enter the vehicle
and may lead to an accident
caused by light-headedness, or
may lead to death or a serious
health hazard.
●If the vehicle is in a poorly venti-
lated area or a closed area,
such as a garage, stop the
hybrid system.
●Do not leave the vehicle with
the hybrid system operating for
a long time. If such a situation
cannot be avoided, park the
vehicle in an open space and
ensure that exhaust fumes do
not enter the ve hicle interior.
●Do not leave the hybrid system
operating in an area with snow
build-up, or where it is snowing.
If snowbanks build up around
the vehicle while the hybrid sys-
tem is operating, exhaust gases
may collect and enter the vehi-
cle.
Changing power switch
modes

2424-2. Driving procedures
■Restraining sudden start (Drive-
Start Control)
 P.211
While the power switch
is in ON and the brake pedal
depressed
*, shift the shift lever
while pushing the shift release
button on the shift knob.
Shift the shift lever while
pushing the shift release button
on the shift knob.
Shift the shift lever nor-
mally.
When shifting the shift lever
between P and D, make sure that
the vehicle is completely stopped
and the brake pedal is depressed.
*: For the vehicle to be able to be shifted from P, the brake pedal
must be depressed before the
shift release button is pushed. If
WARNING
■When driving on slippery
road surfaces
Be careful of downshifting and
sudden acceleration, as this could
result in the vehicle skidding to
the side or spinning.
NOTICE
■Hybrid battery (traction bat-
tery) charge
If the shift lever is in N, the hybrid
battery (traction battery) will not
be charging, even when the
engine is running. Therefore, if
the vehicle is left with the shift
lever in N for a long period of
time, the hybrid battery (traction
battery) will discharge, and this
may result in the vehicle not being
able to start.
Shifting the shift lever

2494-2. Driving procedures
4
Driving
Turn the brake hold system on
The brake hold standby indicator
(green) comes on. While the
system is holding the brake, the
brake hold operated indicator (yel-
low) comes on.
■Brake hold system operating
conditions
The brake hold system cannot be
turned on in the following condi-
tions:
●The driver’s doo r is not closed.
●The driver is not wearing the seat
belt. If any of the cond
itions above are
detected when the brake hold sys-
tem is enabled, the system will turn
off and the brake hold standby indi-
cator light will go off. In addition, if
any of the conditions are detected
while the system is holding the
brake, a warning buzzer will sound
and a message will be shown on the
multi-information display. The park-
ing brake will then be set automati-
cally.
■Brake hold function
●If the brake pedal is left released
for a period of about 3 minutes
after the system has started hold-
ing the brake, the parking brake
will be set automatically. In this
case, a warning buzzer sounds
and a message is shown on the
multi-information display.
●To turn the syste m off while the
system is holding the brake, firmly
depress the brake pedal and
press the button again.
●The brake hold function may not
hold the vehicle when the vehicle
is on a steep incline. In this situa-
tion, it may be ne cessary for the
driver to apply the brakes. A warn-
ing buzzer will sound and the
multi-information display will
inform the driver of this situation. If
a warning message is shown on
the multi-information display, read
the message and follow the
instructions.
■When the parking brake is set
automatically while the system
is holding the brakes
Perform any of the following opera-
tions to release the parking brake.
●Depress the accelerator pedal.
(The parking brake will not be
released automatically if the seat
belt is not fastened.)
●Operate the parkin g brake switch
with the brake pedal depressed.
Make sure that the parking brake
indicator light goes off. ( P.246)
Brake Hold
The brake hold system
keeps the brake applied
when the shift lever is in D,
S or N with the system on
and the brake pedal has
been depressed to stop the
vehicle. The system
releases the brake when the
accelerator pedal is
depressed with the shift
lever in D or S to allow
smooth start off.
Enabling the system
A
B