2021 TOYOTA SIENNA HYBRID stop start

881-5. Theft deterrent system
1-5.Theft deterrent system
The indicator light flashes after
the power switch has been
turned to OFF to indicate that
the system is operating.
The indicator light stops flashing
after the power switch has been
turned to ACC or ON to indicate
that the system has been can-
celed.
■System maintenance
The vehicle has a maintenance-free
type immobilizer system.
■Conditions that may cause the
system to malfunction
●If the grip portion of the key is in
contact with a metallic object
●If the key is in close proximity to or
touching a key to the security sys-
tem (key with a built-in transpon-
der chip) of another vehicle
Immobilizer system
The vehicle’s keys have
built-in transponder chips
that prevent the hybrid sys-
tem from starting if a key
has not been previously
registered in the vehicle’s
on-board computer.
Never leave the keys inside
the vehicle when you leave
the vehicle.
This system is designed to
help prevent vehicle theft but
does not guarantee absolute
security against all vehicle
thefts.
Operating the system
NOTICE
■To ensure the system oper-
ates correctly
Do not modify or remove the sys-
tem. If modified or removed, the
proper operation of the system
cannot be guaranteed.

891-5. Theft deterrent system
1
For safety and security
*: If equipped
■Items to check before lock-
ing the vehicle
To prevent unexpected trigger-
ing of the alarm and vehicle
theft, make sure of the following:
 Nobody is in the vehicle.
 The side windows and moon
roof (if equipped) are closed
before the alarm is set.
 No valuables or other per-
sonal items are left in the
vehicle.
■Setting
Close the doors and hood, and
lock all the doors. The system
will be set automatically after 30 seconds.
The security indicator changes from
being on to flashing when the sys-
tem is set.
If all doors are closed with hood
open, alarm system can be set.
■Canceling or stopping
Do one of the following to deac-
tivate or stop the alarm:
 Unlock the doors.
 Turn the power switch to ACC
or ON, or start the hybrid sys-
tem. (The alarm will be deacti-
vated or stopped after a few
seconds.)
■System maintenance
The vehicle has a maintenance-free
type alarm system.
■Triggering of the alarm
The alarm may be triggered in the
following situations:
(Stopping the alarm deactivates the
alarm system.)
●The doors are unlocked using the
mechanical key.
Alarm*
The alarm uses light and
sound to give an alert when
an intrusion is detected.
The alarm is triggered in the
following situations when
the alarm is set:
 A locked door is unlocked or
opened in any way other
than using the entry func-
tion (if equipped) or wireless
remote control. (The doors
will lock again automati-
cally.)
 The hood is opened.
Setting/canceling/stop-
ping the alarm system

982-1. Instrument cluster
Oil maintenance:
Displays the distance until the next engine oil change.
Shift position and shift range indicator
Displays the selected shift posit ion or selected shift range (P.238)
Outside temperature ( P.98)
Engine coolant temperature gauge
Displays the engine c oolant temperature
■The meters and display illumi-
nate when
The power swit ch is in ON.■When changing driving mode
Speedometer color is changed fol-
lowing the selected driving mode.
(  P.333)
■Hybrid System Indicator
READY OFF area
Shows that the hybrid system is not
operating.
Charge area
Shows regeneration
* status.
Regenerated e nergy will be used to
charge the hybrid battery (traction
battery).
Hybrid Eco area
Shows that gasoline engine power
is not being used very often.
The gasoline engine will automati- cally stop and restart under various
conditions.
Eco area
Shows that the vehicle is being
driven in an Eco-friendly manner.
By keeping the indicator needle
within Eco area, more Eco-friendly
driving can be achieved.
Power area
Shows that an Eco-friendly driving
range is being exceeded (during full
power driving etc.)
*: When used in this manual, “regen-
G
H
I
A
B
C
D
E

1072-1. Instrument cluster
2
Vehicle status information and indicatorsSelect to display fuel consump-
tion data in various forms.
■Speedometer display/Dis-
tance to empty (4.2-inch
display)Speedometer display
Displays the vehicle speed.
Distance to empty
Displays the driving range with
remaining fuel. ( P.110)
■Fuel Economy
4.2-inch display
Following information is dis-
played. Distance to empty
Displays the driving range with
remaining fuel. (
P.110)
Current fuel economy
Displays the instantaneous current
fuel economy.
Average fuel economy
Displays the average fuel economy
since the function was reset or the
average fuel economy after starting
or refueling.
*1, 2, 3
The average fuel economy selected
by “Fuel Economy” on the
screen is displayed. ( P.112)
*1: Use the displayed fuel consump-
tion as a reference only.
*2: Average fuel economy since the function was res et can be reset
by pressing and holding “OK”.
*3: Average fuel economy after starting is reset each time the
hybrid system stops.
7-inch display
Following information is displayed.
Vehicle information dis-
play (
P.111)
Settings display
(  P.112)
Warning message dis-
play ( P.116)
Driving information dis-
play ( )
A
B
A
B
C

1102-1. Instrument cluster
“Eco Score”
The driving status for the following
3 situations are evaluated in 5 lev-
els: Smooth start-off acceleration
(“Start”), driving without sudden
acceleration (“Cru ise”) and smooth
stopping (“Stop”). Each time the
vehicle is stopped, a score result is
displayed out of a perfect score of
100 points.
4.2-inch display
Score result
Eco start status
Eco cruise status
Eco stop status
7-inch displayEco start status
Eco cruise status
Eco stop status Score result
How to read the bar display:
4.2-inch display
Not yet evaluated
Low
High
7-inch displayNot yet evaluated
Low
High
After starting off, “Eco Score” dis-
play does not start until the vehicle
speed exceeds approximately 12
mph (20 km/h).
The “Eco Score” is reset each time
the vehicle starts off to start a new
evaluation.
When the hybrid system stops, the
current total scor e result is dis-
A
B
C
D
A
B
C
D
A
B
C
A
B
C

1122-1. Instrument cluster
(average speed, distance and
total time) can be displayed ver-
tically.
The displayed information
changes according to the “Drive
Info Type” setting (since the sys-
tem was started or between
resets). (P.112)
Use the displayed information as a
reference only.
Following items will be displayed.
“Trip”
• “Average Speed”: Displays the
average vehicl e speed since
hybrid system start
*
• “Distance”: Displ ays the distance
driven since hybrid system start
*
• “Total Time”: Displays the elapsed time since hybrid system
start
*
*
: These items are reset each time the hybrid system stops.
 “Total”
• “Average Speed”: Displays the
average vehicle speed since the
display was reset
*
• “Distance”: Displ ays the distance
driven since the display was
reset
*
• “Total Time”: Displays the elapsed time since the display
was reset
*
*
: To reset, display the desired item and press and hold “OK”.
■Energy monitor
 P.122
■Tire pressure
 P.427
■AWD system display (AWD
models)
Torque distribution display
Displays the drive status of each
wheel in 6 steps from 0 to 5.
G-force display*
Displays the size a nd direction of
the G-force applied to the vehicle
via changes to the position of the
ball on the display.
Maximum G-force course*
This item is linke d with the G-force
display and the co urse of the past
movement of the ba ll is displayed.
Press and hold “OK” to reset the
record.
Wheel spin display
When a tire is spi nning, its icon on
the display changes its color and
blinks.
*: This item is displayed only when driving mode is set to sport mode.
■Safety system status (7-
inch display)
Enable/Disable the following
systems:
 PCS (Pre-Colli sion system)
A
B
C
D

1343-2. Opening, closing and locking the doors
■Impact detection door lock
release system
In the event that t he vehicle is sub-
ject to a strong impact, all the doors
are unlocked. Depending on the
force of the impact or the type of
accident, however, the system may
not operate.
■Operation signals (vehicles
with entry function)
A buzzer sounds and the emer-
gency flashers flash to indicate that
the doors have been
locked/unlocked . (Locked: Once;
Unlocked: Twice)
■Security feature
If a door is not opened within
approximately 60 seconds after the
vehicle is unlocked, the security fea-
ture automatically locks the vehicle
again. (Vehicles with entry function:
However, depending on the location
of the electronic key, the key may
be detected as being in the vehicle.
In this case, vehicle may be
unlocked.)
■When the door cannot be
locked by the lock sensor on
the upper part of the door han-
dle (vehicles with entry func-
tion)
If the door will no t lock even when
the topside sensor area is touched,
try touching both the topside and
underside sensor areas at the same
time. When gloves are being worn,
remove the gloves.
■Door lock buzzer
If an attempt to lock the doors using
the entry function or wireless remote
control is made w hen a door is not fully closed, a buzzer sounds contin-
uously for 5 seconds. Fully close the
door to stop the buzzer, and lock the
vehicle once more.
■Setting the alarm (if equipped)
Locking the doors will set the alarm
system. ( P.89)
■Conditions affecting the opera-
tion of the smart key system or
wireless remote control
 P.166
■If the smart key system or the
wireless remote control does
not operate properly
●Use the mechanical key to lock
and unlock the doors. ( P.504)
●Replace the key battery with a
new one if it is depleted. ( P.447)
■If the 12-volt b attery is dis-
charged
The doors cannot be locked and
unlocked using the smart key sys-
tem or wireless remote control. Lock
or unlock the do ors using the
mechanical key. ( P.133, 504)
■Rear seat reminder function
●In order to r emind you not to for-
get the luggage, etc. on the rear
seat, when the power switch is
turned to OFF afte r any of the fol-
lowing conditions are met, a
buzzer will sound and a message
will be displayed on the multi-
information display for approxi-
mately 6 seconds.
• The hybrid system is started within 10 minutes after opening
and closing a sliding door.
• A sliding door has been opened and closed after the hybrid system
is started. However, if a sliding
door is opened and then closed
within approximately 2 seconds,
the rear seat rem inder function
may not operate.
●The rear seat reminder function
determines that t he luggage, etc.
has been placed on the rear seat
depending on opening and closing

1413-2. Opening, closing and locking the doors
3
Before driving
■Using the kick sensor (vehi-
cles with Hands Free Power
Sliding Doors)
The Hands Free Power Sliding
Door enables automatic opening
and closing of the power sliding
door by putting your foot under
the portion with a label on the
rocker moulding and moving it
away from the rocker moulding.
When operating the Hands Free
Power Sliding Door, make sure
that the front door (the same
side of the sliding door you
open) is closed, the kick sensor
operation is enabled ( P.112)
and you are carrying an elec-
tronic key.
1 While carrying an electronic
key, stand within the smart
key system operation range,
approximately 11.8 to 19.7 in.
(30 to 50 cm) from the rocker
moulding.
Kick sensor
Hands Free Power Sliding
Door operation detection
area
Smart key system operation
detection area ( P.165) Label
2 Perform a kick operation by
moving your foot to within
approximately 3.9 in. (10 cm)
of the rocker moulding and
then pulling it back.
Perform the entire kick operation
within approximately 1 second.
The sliding door w ill not start oper-
ating while a foot is detected under
the rocker moulding.
Operate the Hand s Free Power
Sliding Door without contacting the
rocker moulding with your foot.
If another electronic key is in the
cabin or luggage compartment, it
may take slightly l onger than nor-
mal for the operation to occur.
Kick sensor
Hands Free Power Sliding
Door operation detection
area
3 When the kick sensor detects
that your foot is pulled back,
a buzzer will sound and the
sliding door will automati-
cally fully open/close.
If a foot is moved under the rocker
moulding while the sliding door is
opening/closing, the sliding door
will stop moving.
If a foot is moved under the rocker
A
B
C
D
A
B