Mazda 2009 Mazda6 Owner's Manual page 210

Driving Your Mazda
Switches and Controls
AUTO (Auto-wiper control)
When the wiper lever is in the AUTO
position, the rain sensor senses the
amount of rainfall on the windshield and
turns the wiper on or off automatically
(off―intermittent―low speed―high
speed).
The sensitivity of the rain sensor can be
adjusted by turning the switch on the
wiper lever.
From the center position (normal), turn
the switch towards (+) for higher
sensitivity (faster response) or turn the
switch towards ( _ ) for less sensitivity
(slower response).
Switch
5-66
Higher sensitivity
Center
position
Less sensitivity
CAUTION
Ø Do not shade the rain sensor by
adhering a sticker or a label on
the windshield. Otherwise the rain
sensor will not operate correctly.
Rain sensor