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:
Low brake fluid level
Turning the ignition key to MAR the warning light on the dial turns on, but it
should go off after few seconds.
The warning light turns on (together with the message on the display) when the
...
Injection system failure
(Multijet versions - amber)
EOBD SYSTEM FAILURE
(petrol versions - amber)
Injection system failure
Turning the ignition key to MAR the warning light turns on but it should go off
after engine ...
Engine coolant temperature gauge
This shows the temperature of the engine coolant fluid and begins working when
the fluid temperature exceeds approx. 50°C.
Under normal conditions, the needle should hover around the middle of the ...