2012 TOYOTA SIENNA engine

272 2-3. Operating the lights and wipers
SIENNA_U (OM45477U)
■Customization that can be configured at Toyota dealer or by the multi-
information display
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features P. 815)
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not run-
ning.

273
2-3. Operating the lights and wipers
2
When driving
SIENNA_U (OM45477U)
Automatic High Beam
: If equipped
The Automatic High Beam uses an in-vehicle camera sensor to
assess the brightness of streetligh ts, the lights of oncoming and
preceding vehicles, etc., and automatically turns high beam on or off
as necessary.
■ Activating the Automatic High Beam system
Push the lever away from you
with the headlight switch in the position when the
“ENGINE START STOP”
switch is in IGNITION ON
mode (vehicles with a smart
key system) or the engine
switch is in the “ON” position
(vehicles without a smart key
system).
The Automatic High Beam indi-
cator will come on when the
headlights are turned on auto-
matically to indicate that the
system is active.

278 2-3. Operating the lights and wipers
SIENNA_U (OM45477U)
■If the Automatic High Beam indicator flashes...
It may indicate a malfunction in the system. Contact your Toyota dealer.
■ Customization that can be configured at Toyota dealer or by the multi-
information display
The Automatic High Beam can be turned off.
(Customizable features P. 815)
■ Temporary lowering sensor sensitivity
The sensitivity of the sensor can be temporarily lowered.
To lower the sensitivity, push and hold on the inside rear view mirror
for 15 to 20 seconds, and release. The indicator light on the inside rear view
mirror will flash to indicate that the sensitivity has been lowered.
Vehicles without a smart key system:
When the engine switch is turned to the “LOCK” position, the sensitivity will
be returned to its normal level.
Vehicles with a smart key system:
When the “ENGINE START STOP” switch is turned off, the sensitivity will be
returned to its normal level.

288 2-3. Operating the lights and wipers
SIENNA_U (OM45477U)
■The windshield wipers and washer 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.
■ Raindrop sensor (vehicles with rain-sensing windshield wipers)
● If the wiper switch is turned to “AUTO” position while the “ENGINE
START STOP” switch is in IGNITIO N ON mode, the wiper will operate
once to show that “AUTO” mode is activated.
● If the temperature of the raindrop sensor is 185°F (85°C) or higher, or
14°F (-10°C) or lower, automatic operation may not occur. In this case,
operate the wipers in any mode other than “AUTO”.
■ If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the
windshield washer fluid reservoir.
● The raindrop sensor judges the amount
of raindrops.

291
2-3. Operating the lights and wipers
2
When driving
SIENNA_U (OM45477U)
■
The rear window wiper and w asher 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.
■ If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the
windshield washer fluid reservoir.
Ty p e B
Off
Intermittent window
wiper operation
Normal window
wiper operation
Washer/wiper dual
operation
Washer/wiper dual
operation

301
2-4. Using other
driving systems
2
When driving
SIENNA_U (OM45477U)
■Changing the vehicle -to-vehicle distance
Pressing the button changes
the vehicle-to-vehicle dis-
tance as follows:
Long
Medium
Short
Vehicles without a smart key
system:
The vehicle-to-vehicle distance
is set automatically to long
mode when the engine switch
is turned to the “ON” position.
Vehicles with a smart key sys-
tem:
The vehicle-to-vehicle distance
is set automatically to long
mode when the “ENGINE
START STOP” switch is turned
to IGNITION ON mode.
If a vehicle is running ahead of
you, the preceding vehicle
mark will be also displayed.
Preceding
vehicle mark

306 2-4. Using other driving systems
SIENNA_U (OM45477U)
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. 300
Canceling and resuming the
speed setting: P. 302

318 2-4. Using other driving systems
SIENNA_U (OM45477U)
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” posi-
tion.
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.