Page 310 of 872
310 2-4. Using other driving systems
SIENNA_OM_OM45483U_(U)
Vehicles without a smart key sys-
tem:
If the engine switch is turned off
and then turned to the “ON” posi-
tion again, the vehicle will auto-
matically return to vehicle-to-
vehicle distance control mode.
Vehicles with a smart key system:
If the “ENGINE START STOP”
switch is turned off and then
turned to IGNITION ON mode
again, the vehicle will automati-
cally return to vehicle-to-vehicle
distance control mode.
Adjusting the speed setting:
P. 304
Canceling and resuming the
speed setting: P. 306
Page 322 of 872
322 2-4. Using other driving systems
SIENNA_OM_OM45483U_(U)
Detection range of the sensorsApproximately 2.0 ft. (60 cm)
Approximately 2.8 ft. (85 cm)
Approximately 5.9 ft. (180 cm)
The diagram shows the detection
range of the sensors. Note that
the sensors cannot detect obsta-
cles that are extremely close to
the vehicle.
The range of the sensors may
change depending on the shape
of the object etc.
*: if equipped
*
■Intuitive parking assist can be operated when
Vehicles without a smart key system:
The engine switch is in the “ON” position.
Vehicles with a smart key system:
The “ENGINE START STOP” switch is in IGNITION ON mode.
●Front corner sensors:
• The shift lever is not in P.
• The vehicle speed is approximately 6 mph (10 km/h) or less.
● Rear corner and back sensors:
The shift lever is in R.
Page 422 of 872

422 3-1. Using the air conditioning system and defogger
SIENNA_OM_OM45483U_(U)
■The defogger can be operated when
Vehicles without a smart key system
The engine switch is in the “ON” position.
Vehicles with a smart key system
The “ENGINE START STOP” switch is IGNITION ON mode.
■ Outside rear view mirror defoggers (vehicles with outside rear view
mirror defoggers)
Turning the rear window defogger on will turn the outside rear view mirror
defoggers on.
■ The outside rear view mirror defo ggers and windshield wiper de-icer
(vehicles with windshield wiper de-icer)
Turning the rear window defogger on will turn the outside rear view mirror
defoggers and windshield wiper de-icer on.
CAUTION
■ Outside rear view mirror defoggers (vehicles with outside rear view
mirror defoggers)
The surfaces of the outside rear view mirrors become hot. Do not touch
them to prevent from burning yourself.
■ When the windshield wiper de-icer is on (vehicles with windshield
wiper de-icer)
Do not touch the glass at the lower part of the windshield or to the side of the
front pillars as the surfaces can become very hot and burn you.
Page 500 of 872

500 3-3. Using the Bluetooth
® audio system
SIENNA_OM_OM45483U_(U)Vehicles without a smart key system
When the portable player is on standby for the connection, it will be
automatically connected whenever the engine switch is in either
“ACC” or “ON” position.
If a portable player that has already been paired is selected, it is nec-
essary to select “From Car” or “From audio” setting.
Vehicles with a smart key system
When the portable player is on standby for the connection, it will be
automatically connected whenever the “ENGINE START STOP”
switch is in either ACCESSORY or IGNITION ON position.
If a portable player that has already been paired is selected, it is nec-
essary to select “From Car” or “From audio” setting.
Changing the registered name of a portable player
Select “Change Name” using a voice command or .
Select the name of the portable player to be changed by
either of the following methods, and select “Confirm” using a
voice command or :
a. Press the talk switch and say the name of the desired por-table player.
b. Press the talk switch and say “List Audio Players”. When
the name of the desired portable player is read aloud, press
the talk switch.
Press the talk switch or select “Record Name” using ,
and say the new name.
Select “Confirm” using a voice command or .
STEP1
STEP2
STEP3
STEP4
Page 510 of 872
510 3-4. Using the rear audio system
SIENNA_OM_OM45483U_(U)
Headphone jacksTo use the headphones, con-
nect them to the jack.
To adjust the volume
Turn the knob clockwise to
increase the volume.
Turn the knob counterclock-
wise to decrease the volume.
■The rear seat entertainmen t system can be used when
Vehicles without a smart key system
The engine switch is in the “ACC” or “ON” position.
Vehicles with a smart key system
The “ENGINE START STOP” switch is in the ACCESSORY or IGNITION
ON mode.
■ Discs that can be used
Discs with the marks shown below can be used.
Playback may not be possible depending on recording format or disc fea-
tures, or due to scratches, dirt or deterioration.
■ When appears on the screen
It indicates that the selected switch is inoperable.
Page 608 of 872
608
3-8. Other interior features
SIENNA_OM_OM45483U_(U)
Clock
: If equipped
■The clock is displayed when
Vehicles without a smart key system
The engine switch is in the “ACC” or “ON” position.
Vehicles with a smart key system
The “ENGINE START STOP” switch is in ACCESSORY or IGNITION ON
mode.
■ When disconnecting and reco nnecting battery terminals
The time display will automatically be set to 1:00.
Vehicles with multi-information display
P. 256
Vehicles without multi-information display Adjusts the hours.
Adjusts the minutes.
Page 612 of 872
612 3-8. Other interior features
SIENNA_OM_OM45483U_(U)
■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 START STOP” switch is in ACCESSORY or IGNITION
ON mode.
120 V AC: The “ENGINE START STOP” switch is in IGNITION ON mode.
Power outlet socket luggage compartment
Page 614 of 872
614
3-8. Other interior features
SIENNA_OM_OM45483U_(U)
Seat heaters
: If equipped
■The seat heaters can be used when
Vehicles without a smart key system
The engine switch is in the “ON” position.
Vehicles with a smart key system
The “ENGINE START STOP” switch is in IGNITION ON mode.
■ When not in use
Move the dial fully downward. The indicator light turns off.
For driver’s seat
For front passenger’s seat
On
The indicator light comes on.
Adjusts the seat tempera-
ture
The further you move the dial
upward, the warmer the seat
becomes.