2015 TOYOTA SIENNA engine

SIENNA_OM_01999-08001_(U)
4156-1. Using the air conditioning system and defogger
6
Interior features
■Adjusting the position of the air outlets
Direct air flow to the front or
rear, up or down.
■Temperature display
The temperature display on the multi-information display can be changed.
(P. 618)
■ When the front air conditioning system is in simultaneous mode
The lower side indicator on the “SYNC” button is on. The rear air conditioning
system controls will continue to function. ( P. 404)
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system on longer than necessary when the
engine is stopped.

416
SIENNA_OM_01999-08001_(U)
6-1. Using the air conditioning system and defogger
Heated steering wheel/seat heaters
: If equipped
Heated steering wheel and seat heaters heat the side grips of the
steering wheel and seats, respectively.
WARNING
●Care should be taken to prevent injury if anyone in the following categories
comes in contact with the steering wheel and seats when the heater is on:
• Babies, small children, the elderly, the sick and the physically chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs, cold remedies, etc.)
● Observe the following precautions to prevent minor burns or overheating:
• Do not cover the seat with a blanket or cushion when using the seat heater.
• Do not use seat heater more than necessary.
NOTICE
● Do not put heavy objects that have an uneven surface on the seat and do
not stick sharp objects (needles, nails, etc.) into the seat.
● To prevent battery discharge, do not use the functions when the engine is
not running.

SIENNA_OM_01999-08001_(U)
4176-1. Using the air conditioning system and defogger
6
Interior features
Turns the heated steering wheel
on/off
The indicator light comes on when
the heated steering wheel is oper-
ating.
●The heated steering wheel can be used when the engine switch is in IGNI-
TION ON mode.
● The heated steering wheel will automatically turn off after about 30 minutes.
Heated steering wheel

4186-1. Using the air conditioning system and defogger
SIENNA_OM_01999-08001_(U)
For driver’s seat
For front passenger’s seat
On
The indicator light comes on.
Adjusts the seat temperature
The further you move the dial
upward, the warmer the seat
becomes.
●The seat heaters can be used when the engine switch is in the “ON” position
(vehicles without a smart key system ) or IGNITION ON mode (vehicles with
a smart key system).
● When not in use, move the dial fully downward. The indicator light turns off.
Seat heaters
1
2
3
4

419
SIENNA_OM_01999-08001_(U)
6-2. Using the interior lights
6
Interior features
Interior lights list
Rear personal/interior lights ( P. 420)
Rear ceiling lights (if equipped) ( P. 421)
Front personal/interior lights ( P. 420)
Engine switch light
Front door courtesy lights (if equipped)
Outer foot lights (if equipped)1
2
3
4
5
6

SIENNA_OM_01999-08001_(U)
4216-2. Using the interior lights
6
Interior features
Turns the lights on/off
When the personal/interior light
main switch is in the off position,
the rear ceiling lights will not turn
on even if the switch is on.
■Adjusting the rear personal/interior lights angle (if equipped)
■ Illuminated entry system
Vehicles without a smart key system
The lights automatically turn on/off according to the engine switch position,
whether the doors are locked/ unlocked, and whether the doors are open/
closed.
Vehicles with a smart key system
The lights automatically turn on/off according to engine switch mode, the
presence of the electronic key, whether the doors are locked/unlocked, and
whether the doors are open/closed.
■ To prevent battery discharge
If the interior lights remain on when the engine switch is turned off, the lights
will go off automatically after 20 minutes.
■ Customization
Settings (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features: P. 626)
Rear ceiling lights (if equipped)
Push the edge of the light lens.
NOTICE
■Rear ceiling lights (if equipped)
Do not hang anything on the gap between the ceiling light cover and the
ceiling or pull the ceiling light cover strongly.
Doing so may cause damage.

435
SIENNA_OM_01999-08001_(U)
6-4. Using the other interior features
6
Interior features
Other interior features
To set the visor in the forward
position, flip it down.
To set the visor in the side posi-
tion, flip down, unhook, and
swing it to the side.
To use the side extender, place
the visor in the side position,
then slide it backward.
Open the cover.
The light turns on when the cover
is opened.
■ To prevent battery discharge
If the vanity lights remain on for 20 minutes while the engine is off, the lights
will turn off automatically.
Sun visors
1
2
3
Vanity mirrors

SIENNA_OM_01999-08001_(U)
4396-4. Using the other interior features
6
Interior features
■The power outlet can be used when
Vehicles without a smart key system
12 V: The engine switch is in the “ACC” or “ON” position.
120 V AC: The engine switch is in the “ON” position.
Vehicles with a smart key system
12 V: The engine switch is in ACCESSORY or IGNITION ON mode.
120 V AC: The engine switch is in IGNITION ON mode.
NOTICE
■ To avoid damaging the power outlet
Close the power outlet lid when the power outlet is not in use.
Foreign objects or liquids that enter the power outlet may cause a short cir-
cuit.
■ To prevent blown fuse
12 V
Do not use an accessory that uses more than 12 V 10 A.
120 V AC
Do not use a 120 V AC appliance that requires more than 100 W.
If a 120 V AC appliance that consumes more than 100 W is used, the pro-
tection circuit may cut the power supply.
■ To prevent battery discharge
Do not use the power outlet longer than necessary when the engine is not
running.
■ Appliances that may not operate properly (120 V AC)
The following 120 V AC appliances may not operate properly even if their
power consumption is under 100 W:
● Appliances with high initial peak wattage
● Measuring devices that process precise data
● Other appliances that require an extremely stable power supply