Rear window wiper and washer
Turning the end of the lever turns on the rear window wiper and washer.
The illustration is intended as an example.

*1 or
*2
Intermittent window wiper operation
*1 or
*2
Normal window wiper operation
Washer/wiper dual operation
Washer/wiper dual operation
*1 or
*2
Off
*2: For Canada
The rear window wiper and washer can be operated 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).
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.
NOTICEWhen 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 overheat.
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.
Test yourself
A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.