Alfa Romeo Giulia-GTA, Owner'S Handbook Manual

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The sensor has an adjustment range that
varies progressively from wiper still
(no stroke) when the windscreen is dry,
to wiper at 2nd continuous speed (fast
continuous operation) with intense rain.
Activation
7) 8)
Turn the ring fig. 55 to position or to
activate the rain sensor.
Activation of the sensor is signalled by
a flick of the wiper, which indicates that
the command has been acquired.
The variation in sensitivity during rain
sensor operation is also signalled by a
flick of the wiper (command acquired
and implemented). This stroke is also
executed with the windscreen dry.
If the windscreen washer is used with
the rain sensor activated, the normal
washing cycle is performed, after which
the rain sensor resumes its normal
automatic operation.
WARNING Keep the glass in the sensor
area clean.
WARNING With the windscreen wiper
ring turned to the
or position,
wiping operates automatically and is
disabled when the outside temperature
is below 0°C.
Deactivation
Use ring fig. 55 or turn the ignition device
to STOP.
In the event of malfunction of the rain
sensor whilst it is active, the windscreen
wiper will operate intermittently at a
speed consistent with the sensitivity
setting of the rain sensor, regardless of
whether there is rain on the glass. In this
case, the instrument panel display will
signal a sensor failure.
The sensor continues to operate and it
is possible to set the windscreen wiper
to continuous mode
or . The failure
indication remains for as long as the
sensor is active.
The rain sensor is able to recognise,
and automatically adjust itself in the
presence of the following conditions:
presence of dirt on the controlled
surface (e.g. salt, dirt, etc.);
presence of streaks of water caused
by the worn windscreen wiper blades;
difference between day and night.
19)
WARNING
19) Make sure the device is turned off
whenever the windscreen glass must be
cleaned.
IMPORTANT
5) Never use the screen wiper to remove
layers of snow or ice from the windscreen
glass. In such conditions, the windscreen
wiper may be subjected to excessive
stress and the motor cut-out switch, which
prevents operation for a few seconds, may
intervene. If operation is not subsequently
restored, even after restarting the engine,
contact a Dedicated Alfa Romeo Dealership.
6) Do not operate the screen wiper with the
blades lifted from the windscreen glass.
7) Do not activate the rain sensor when
washing the car in an automatic car wash.
8) Make sure the device is switched off if
there is ice on the windscreen glass.