2014 TOYOTA SIENNA Owners Manual

289
2-3. Operating the lights and wipers
2
When driving
SIENNA_OM_OM45483U_(U)
Rain-sensing windshiel
d wipers (if equipped)
When “AUTO” is selected, the wi pers will operate automatically
when the sensor detects falling rain. The system automatically
adjusts wiper timing in accordance with rain volume.
When “AUTO” is selected, the sensor sensitivity can be adjusted
as follows by turning the switch ring:
Ty p e A Off
Rain-sensing wiper
operation (“AUTO”)
Low speed wiper
operation
High speed wiper
operation
Temporary operation

290 2-3. Operating the lights and wipers
SIENNA_OM_OM45483U_(U)
Increases the sensitivity
Decreases the sensitivity
Washer/wiper dual opera-
tion
The wipers will automatically
operate a couple of times after
the washer squirts.
Ty p e BOff
Rain-sensing wiper
operation (“AUTO”)
Low speed wiper
operation
High speed wiper
operation
Temporary operation

291
2-3. Operating the lights and wipers
2
When driving
SIENNA_OM_OM45483U_(U)
Increases the sensitivity
Decreases the sensitivity
Washer/wiper dual opera-
tion
The wipers will automatically
operate a couple of times after
the washer squirts.

292 2-3. Operating the lights and wipers
SIENNA_OM_OM45483U_(U)
■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.

293
2-3. Operating the lights and wipers
2
When driving
SIENNA_OM_OM45483U_(U)
CAUTION
■
Caution regarding the use of windshield wipers in “AUTO” mode
The windshield wipers may operate unexpec tedly if the sensor is touched or
the windshield is subject to vibration in “AUTO” mode. Take care that your
fingers etc. do not become caught in the windshield wipers.
NOTICE
■ When the windshield is dry
Do not use the wipers, as they may damage the windshield.
■ When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may over-
heat.
■ When a nozzle becomes blocked
In this case, contact your Toyota dealer.
Do not try to clear it with a pin or other object. The nozzle will be damaged.

294
2-3. Operating the lights and wipers
SIENNA_OM_OM45483U_(U)
Rear window wiper and washer
The wiper operation is selected by moving the lever as follows:
Ty p e AOff
Intermittent window
wiper operation
Normal window
wiper operation
Washer/wiper dual
operation
Washer/wiper dual
operation

295
2-3. Operating the lights and wipers
2
When driving
SIENNA_OM_OM45483U_(U)
■
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

296 2-3. Operating the lights and wipers
SIENNA_OM_OM45483U_(U)
NOTICE
■When the rear window is dry
Do not use the wiper, as it may damage the rear window.
■ When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may over-
heat.