The rain sensor is behind the driving mirror in contact with the windscreen and has the purpose of automatically adjust, during the intermittent operation, the frequency of the windscreen wiper strokes as to the rain intensity.
The sensor has a range of adjustment that gradually varies between wiper stationary (no wiping) when the windscreen is dry, to wiper at first continuous speed (continuous slow) with heavy rain.
See also:
Tire Terminology And Definitions
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Clock mode (Clock Mode)
This function is used to set the clock in the 12h (12 hour) or 24h (24 hour)
mode. To adjust proceed as follows:
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Controls
(A): Air temperature knob (mixing hot and cold air)
(B): Air recirculation on/off button
(C): Fan knob
(D): Air distribution knob. ...