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50
Lights and Visibility
Top up with wash liquid ⇒ page 164.
WARNING
•
Properly maintained windscreen wiper blades are essential for clear visi-
bility and safe driving ⇒ page 50, "Replacing wiper blades for the wind-
screen wipers".
•
Do not use the windscreen washer system at low temperatures, without
heating the windscreen beforehand. Otherwise the window cleaner could
freeze on the windscreen and restrict the view to the front.
Caution
In frosty weather, please first of all check whether the windscreen wiper blades are
not frozen to the windscreen before switching them on. Switching on windscreen
wipers when the blades are frozen to the windscreen may result in damage both to
the blades and the motor of the windscreen wipers!
Note
The post-wipe function of the windscreen can be activated by a specialist garage.
The post-wipe function enables 5 seconds after the last wiper stroke another wiper
stroke, in order to wipe the last drops off the windscreen.
Headlight cleaning system*
The headlights are being cleaned after the windscreen washer system has been
operated for the fifth time, the low beam or main beam are switched on as well as
the windscreen wiper lever is held in the position
second.
You should remove stubborn dirt (such as insect residues) from the headlight
lenses at regular intervals, for example when refuelling. Please refer to the following
guidelines ⇒ page 144, "The headlight lenses".
A
⇒ page 49, fig. 42
for about 1
5
You should remove any snow from the fixtures of the washer nozzles and clear ice
in winter with a de-icing spray in order to ensure proper operation of the cleaning
system.
Replacing wiper blades for the windscreen wipers
Taking off the wiper blade
– Fold windscreen wiper arm out from the windscreen and position the
wiper blade at right angles to the wiper arm
– Press the securing spring in the direction of arrow
wiper blade to the windscreen at the same time in the direction of
A
⇒
arrow
.
B
Attaching a wiper blade
– Push the wiper blade onto the wiper arm. The securing spring must
click into place audibly.
Wiper blades in proper condition are essential to obtain good visibility. Wiper
blades should not be allowed to become dirtied by dust, insect remains and
preserving wax.
Juddering or smearing of the wiper blades could then be due to wax residues left
on the windscreen by vehicle washing in automatic vehicle wash systems. It is
Fig. 43 Wiper blade for
the windscreen wiper
⇒ fig.
43.
A
and press the
A
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