Toyota Matrix 2009 Owner's Manual page 341

2-3. Operating the lights and wipers
The windshield wipers and washers can be operated when
n
The engine switch is in the "ON" position.
n Intermittent windshield wiper interval mode (if equipped)
Wiper intervals can be adjusted for intermittent operation.
If no windshield washer fluid sprays
n
Check that the washer nozzles are not blocked and if there is washer fluid in
the windshield washer fluid reservoir.
NOTICE
When the windshield is dry
n
Do not use the wipers, as they may damage the windshield.
When there is no washer fluid spray from the nozzle
n
Damage to the washer fluid pump may be caused if the lever is pulled
toward you and held continually.
When a nozzle becomes blocked
n
Do not try to clear it with a pin or other object. The nozzle will be damaged.
130
Decreases the intermittent windshield
wiper frequency
Increases the intermittent windshield
wiper frequency