See also:

Rear window wiper and washer switch
In freezing temperatures the washer solution may freeze on the rear window glass and obscure your vision. Warm the rear window with the defroster before you wash the rear window. - Do ...

To turn system off
Press the /OFF button. ...

California proposition 65 warning
Engine exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive ...