Cast (light) alloy wheels
Cast (light) alloy wheels require special care.
~ Wash the wheels with a sponge or hose
brush every other week.
~ For deep cleaning afterwards, use only a
dedicated
aci d-fr ee cast alloy wheel cleaner.
~ Rub a coat of liqui d wax onto the r ims every
t hr ee month. Be sure to reach and treat a ll
parts of the r im.
To preserve the decorat ive appearance of the
cast alloy whee ls, some special care is neces
sary. I n add it ion to road d ir t and sa lt, b rake
dust is a lso cor ros ive. If left on for too long,
b rake dus t ca n cause pitting.
Use only specia l
acid-free cleaners formulated
fo r alloy rims. Safe products are available at
your author ized Audi dealer. Never leave the
cleane r on the rims longer than specif ied on
the label. If not rinsed
off promptly, the acid
contained in some cleaners can attack the
threads on the whee l bolts.
Never use abras ive or metal polishing clean
ing agents.
If the protective coating has been
chipped, e .g. by kicked up road dirt, touch it
up as soon as possib le.
A WARNING
- Moisture and ice on brakes may affect
braking efficiency
q page 188. Test the
brakes carefully each time you wash the
vehicle .
- Always read and heed all WARNINGS and
other information
q page 200.
Body cavity sealing
-
The body cavity sealing does not need to be
checked.
All body cavities which co uld be affected by
corrosion have been thoro ughly protected at
the factory.
This sea ling does not require any inspection or
addit ional treatment . If any wax should seep
out of the cav ity when the ambient tempera-
Cleaning and protec tion 205
ture is high, it can be removed with a p lastic
scraper and a suitable solvent.
A WARNING
Solvents can be dangerous.
- Benzine is flammab le and toxic. If you
use benzine fo r removing the wax, keep
sparks, flame and lighted cigarettes
away. Never dump benz ine on the
ground, i nto open streams or down sew
age drains.
- Be sure to observe all safety and environ
mental regulations. Follow all instruc
tions on the container.
- Always read a nd heed all WARNINGS and
other information
q page 200.
Chassis
Have the undercoating checked for damage
from time to time.
The lower body she ll of your Audi is also thor
oughly protected against corros ion.
Any damage to the unde rcoat ing caused by
road hazards sho uld be repaired prompt ly .
A WARNING
Too much undercoating i n the wrong p la
ces can cause a fire.
- Do not apply additiona l undercoating or
r u stproof ing on or near the exhaust
manifold, exhaust pipes, catalytic con
verter or heat shields. While driving, the substance used fo r undercoating could
overheat and cause a fire.
- Always read and heed all WARNINGS and
other information
q page 200.
Exhaust tail pipes
Road salt and other co rrosive materials w ill
damage the mate rial in the exhaust tail pipes
i f th ey a re not clea ned regularly. Do not clea n
the tail pipes with wheel cleane r, pa int polish,
c h rome pol ish or o ther ab ras ive cleane rs .
Clean the tail pipes with ca r care products
that are suitable fo r stainless steel. •
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