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Caution!<br />
Risk of damage to the alternator.<br />
f Do not point the cleaning jet directly at the alternator,<br />
or cover the alternator.<br />
Effective rust-proofing is particularly important<br />
during the cold weather season. If the vehicle is<br />
driven frequently in areas where salt has been<br />
spread on the roads, the engine compartment<br />
should be cleaned thoroughly and subsequently<br />
sealed after the cold weather season to prevent<br />
salt from causing any lasting damage.<br />
Windows<br />
The road dust which settles on the windshield and<br />
windows contains particles of tire rubber and oil<br />
residue. The interior trim and upholstery release<br />
particles, particularly in strong sunlight, which collect<br />
on the insides of the windows. These deposits<br />
are augmented by impurities in the air which enters<br />
the car through the fresh air vents.<br />
f Clean all windows regularly, inside and outside,<br />
with Porsche window cleaner.<br />
f If you use a chamois leather for the windows,<br />
do not use it for paintwork as it will otherwise<br />
pick up a certain amount of preservative or<br />
polish and could smear the windows and thus<br />
impair vision.<br />
f Remove dead insects with Porsche insect remover.<br />
206 Maintenance, Car Care<br />
Note<br />
Door windows feature a water-repellent (hydrophobic)<br />
coating which prevents soiling of the<br />
windows.<br />
This coating is subject to natural wear and can be<br />
renewed.<br />
f Consult an authorized Porsche dealer.<br />
Wiper blades<br />
Wiper blades that are in perfect condition are vital<br />
for a clear view.<br />
f Please see the chapter “WIPER BLADES” on<br />
Page 202.<br />
f Replace the wiper blades twice per year (before<br />
and after the cold season) or whenever<br />
wiper performance deteriorates or the blades<br />
are damaged.<br />
f Periodically clean the wiper blades with<br />
Porsche window cleaner, especially after the<br />
vehicle has been washed in a car wash.<br />
If they are very dirty (e.g. with insect remains),<br />
they can be cleaned with a sponge or cloth.<br />
If the wiper blades rub or squeak, this can be as a<br />
result of the following:<br />
– If the vehicle is washed in an automatic car<br />
wash, residues may adhere to the windshield.<br />
These wax residues can be removed only by<br />
using window cleaner concentrate.<br />
– The wiper blades may be damaged or worn.<br />
– Replace damaged or worn wiper blades immediately.<br />
f Please see the chapter “WASHER FLUID” on<br />
Page 200.<br />
f Please contact your authorized Porsche dealer<br />
for further information.<br />
The wiper blades may be damaged:<br />
f Replace damaged wiper blades as soon as<br />
possible.<br />
Undercoating<br />
As it is not possible to exclude the risk of damage<br />
to this protective coating in day to day driving, it<br />
is advisable to have the underside of the car inspected<br />
at certain intervals – preferably before<br />
the start of winter and again in spring – and the undercoating<br />
restored as necessary.<br />
Your authorized Porsche dealer is familiar with the<br />
bodyseal treatment procedures and has the necessary<br />
equipment for applying factory approved<br />
materials. We recommend that you entrust them<br />
with such work and inspections.<br />
Unlike conventional spray oils, undercoating and<br />
rust-proofing compounds based on bitumen or<br />
wax do not attack the sound-proofing materials applied<br />
at the factory.