2023 TOYOTA SIENNA HYBRID ECO mode

5178-1. Specifications
8
Vehicle specifications
■Vehicle identification num-
ber
The vehicle identification num-
ber (VIN) is the legal identifier
for your vehicle. This is the pri-
mary identification number for
your Toyota. It is used in regis-
tering the ownership of your
vehicle.
This number is on the top left of
the instrument panel. This number is also on the Certi-
fication Label.
*7:For AXLH45L-P
NXXHA model*4 with open tray light
*8:For AXLH45L-PNXLHA model*4 with tire puncture repair kit,
AXLH40L-PNXLHA model
*4, and AXLH40L-PNXSHA model*4
*9:For AXLH40L-PNXXHA model*4 with 18-inch tires, AXLH45L-PNXLHA
model
*4 with spare tire, AXL H45L-PNXSHA model*4, and AXLH45L-
PNXXHA model
*4
*10:For AXLH40L-P NXXHA model*4 with 17-inch tires
*11:For AXLH45L-PPXEHA model*4
*12:For AXLH40L-PPXEHA and AXLH40L-PPXXHA models*4
*13:The towing package is required.
Toyota does not r ecommend towing with this vehicle without the tow-
ing package.
Seating capacity
Seating capacityWithout second center seatWith second center seat
7 (Front 2, Rear 5)8 (Front 2, Rear 6)
Vehicle identification

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.)

5218-1. Specifications
8
Vehicle specifications
*: The fluid capacity is the quantity of reference.If replacement is necessary, contact y our Toyota dealer.
*: The fluid capacity is the quantity of reference.
If replacement is necessary, contact y our Toyota dealer.
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark pl ug gap.
Electrical system (12-volt Battery)
Open voltage at 68°F (20°C):
12.0 V or higher
(Turn the power switch to OFF and turn on
the high beam headlights for 30 seconds.)
If the voltage is lower than the standard
value, charge the battery.
Charging rates5 A max.
Hybrid transmission
Fluid capacity*4.6 qt. (4.4 L, 3.9 Imp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Hybrid transmission fluid type
Using transmission fluid other than the above type may cause ab normal
noise or vibration, or ultimately damage the transmission of yo ur vehicle.
Rear differential (rear electric motor) (AWD models)
Fluid capacity*1.8 qt. (1.7 L, 1.5 Imp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Transmission fluid type
Using transmission fluid other than the above type may cause ab normal
noise or vibration, or ultimately damage the transmission of yo ur vehicle.

5358-1. Specifications
8
Vehicle specifications
Intended outboard side-
wall
(a)The sidewall that contains a whitewall, bears
white lettering, or bear s manufacturer, brand,
and/or model name molding that is higher or
deeper than the same molding on the other
sidewall of the tire, or
(b)The outward facing sidewall of an asymmetri-
cal tire that has a par ticular side that must
always face outward whe n mounted on a vehi-
cle
Light truck (LT) tire
A tire designated by its manufacturer as primar-
ily intended for use on lightweight trucks or mul-
tipurpose passenger vehicles
Load ratingThe maximum load that a tire is rated to carry
for a given inflation pressure
Maximum load ratingThe load rating for a tire at the maximum per-
missible inflation pressure for that tire
Maximum permissible
inflation pressureThe maximum cold inflation pressure to which a
tire may be inflated
Measuring rimThe rim on which a tire is fitted for physical
dimension requirements
Open spliceAny parting at any junction of tread, sidewall, or
innerliner that extends to cord material
Outer diameterThe overall diameter o f an inflated new tire
Overall width
The linear distance between the exteriors of the
sidewalls of an inflated ti re, including elevations
due to labeling, decorations, or protective bands
or ribs
Passenger car tire
A tire intended for use on passenger cars, multi-
purpose passenger vehicles, and trucks, that
have a gross vehicle weight rating (GVWR) of
10,000 lb. or less.
PlyA layer of rubber-coated parallel cords
Ply separationA parting of rubber compound between adjacent
plies
Tire related termMeaning

5418-2. Customization
8
Vehicle specifications
*2: The default setting varies according to country.
*3: Vehicles with 7-inch display only
*4: Vehicles with 4.2-inch display only
*5: AWD models
■Head-up Display* ( P.118)
*: If equipped
■Door lock ( P.132, 502)
FunctionDefault settingCustomized
setting
Head-up displayOnOff–O–
Gauge informationHybrid Sys-
tem IndicatorTachometer–O–No content
Route guidance to destina-
tionOnOff–O–
Compass*OnOff–O–
Driving support system dis-
playOnOff–O–
Audio system operation sta-
tusOnOff–O–
RotationHorizontal positionRotating coun- terclock-
wise/clockwise
–O–
FunctionDefault settingCustomized setting
Unlocking using a mechani-
cal key
Driver’s door unlocked in
first step, all doors
unlocked in
second step
All doors
unlocked in first step
––O
Automatic door locking func-
tion
Shift position linked door
locking opera- tionOff
O–OSpeed linked door locking operation
ABC
ABC

5438-2. Customization
8
Vehicle specifications
■Wireless remote control (P.130)
*: If equipped
■Power sliding doors (P.137)
FunctionDefault settingCustomized
setting
Wireless remote controlOnOff––O
Unlocking operation
Driver’s door unlocked in
first step, all doors
unlocked in
second step
All doors
unlocked in first step
O–O
Theft deterrent panic modeOnOff––O
Locking operation when door
openedOnOffO–O
Power sliding door operationPress and hold
Off
––OOne short press
Press twice
Power back door operation*Press and hold
Off
––OOne short press
Press twice
The function that activates
the switch of the wire-
less remote control when
locking the door
* ( P.153)
On (Unlocking
all the door)
Off
––OOn (Unlocking back door only)
FunctionDefault settingCustomized setting
Operations of the power slid-
ing door switches in the vehi-
cle
Press and holdPress twice––O
Operation buzzer volume31–O–2
ABC
ABC

5498-2. Customization
8
Vehicle specifications
■Intuitive parking assist* ( P.312)
*: If equipped
■PKSB (Parking Support Brake)* ( P.324)
*: If equipped
■Automatic air conditioning system ( P.348)
■Illumination ( P.363)
FunctionDefault settingCustomized
setting
Intuitive parking assistOnOff–OO
Buzzer volume21–OO3
FunctionDefault settingCustomized setting
PKSB (Parking Support
Brake) functionOnOff–O–
FunctionDefault settingCustomized setting
A/C Auto switch operationOnOffO–O
Switching to t he outside air
mode when the vehicle is
parked
OnOff––O
FunctionDefault settingCustomized setting
Time elapsed before the inte-
rior lights turn off15 seconds
Off
O–O7.5 seconds
30 seconds
Operation after the power
switch is turned offOnOff––O
Operation when the doors
are unlockedOnOff––O
ABC
ABC
ABC
ABC

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