170 Cleaning and protection
the rims longer than specified on the label. If
not rinsed off promptly, the acid contained in
some cleaners can attack the threads on the
wheel bolts.
Never use abrasive 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 possible.
A WARNING
-Moisture and ice on brakes may affect
braking efficiency¢
page 153, General
information.
Test the brakes carefully
each time you wash the vehicle.
- Always read and heed all WARNINGS and other information
qpage 164.
Body cavity sealing
The body cavity sealing does not need to be
checked.
-
All body cavities which could be affected by
corrosion have been given thorough protec
tion at the factory.
This sealing does not require any inspection or
additional treatment. If any wax should seep
out of the cav ity when the ambient tempera
ture is high, it can be removed with a plastic
scraper and a suitable solvent.
A WARNING
, -
Solvents can be dangerous.
- Benzine is flammable and toxic. If you use benzine for removing the wax, keep
sparks, flame and lighted cigarettes
away. Never dump benzine on the
ground, into 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 and heed all WARNINGS and
the information
¢page 164.
Chassis
Have the undercoating checked for damage
from time to time.
The lower body shell of your Audi is also thor
oughly protected against corrosion.
Any damage to the undercoating caused by
road hazards should be repaired promptly.
A WARNING
-Too much undercoating in the wrong pla-
ces can cause a fire.
- Do not apply additional undercoating or
rustproofing on or near the exhaust
manifold, exhaust pipes, catalytic con
verter or heat shields. While driving, the
substance used for undercoating could
overheat and cause a fire.
-Always read and heed all WARNINGS and
other information¢
page 164.
Exhaust tail pipes
Road salt and other corrosive materials will
damage the material in the exhaust tail pipes
if they are not cleaned regularly. Do not clean
the tail pipes with wheel cleaner, paint polish, chrome polish or other abrasive cleaners.
Clean the tail pipes with car care products
t h at are suitable for stainle ss steel.
Your authorized Audi dealer can provide clean ing products that have been tested and ap
proved for your vehicle.
Care of interior
Radio-/Navigation* display
.. Clean the display with a soft clean cloth and
an LCD cleaner.
The display can be cleaned with a professio
nally available "LCD cleaner ". The cloth should
be slightly dampened with the cleaning fluid
to clean the display. .,.
