196 Cleaning and protection
Use only special acid -free cleaners form ulated
for a lloy rims. Safe products are available at
your author ized Audi dealer . Never leave the
cleaner on the rims longer than specified on
the label.
If no t rinsed off promptly, the acid
contained in some cleaners can attack the
threads on the wheel bolts .
Never use abras ive or metal polishing clean
ing agents. If the protective coating has been
chipped, e .g . by k icked up road dirt, touch it
up as soon as poss ible.
A WARNING
- Moist ure and ice on brakes may affect
braking efficiency ~
page 178. Test the
br ake s ca refully each time you wash the
vehicle.
- Always read and heed all WARNI NGS and
other informa tion ~
page 189.
Body cavity sealing
-
The body cavity sealing does not need to be
checked.
A ll body cavities wh ich could be affected by
corrosion have been thoroughly protected at
the facto ry.
T his sea ling does not require any inspection or
addit io nal treatment. If any wax should seep
out of the cav ity when the ambient tempera
ture is high, it can be removed w it h a plastic
scrape r and a su itab le so lven t.
A WARNING
So lvents can be dange rous.
- B enzine is flammable and t oxic.
If you
use benzine for removing the w ax, keep
spar ks, flame and lighted cigaret tes
away. Never dump benzine on t he
ground, into open streams or down sew
age drains.
- Be sure to observe all safety and env iron
menta l regulations . Follow all instruc
t ions on the container.
- Always read and heed all WAR NIN GS and
other information
¢ page 189. Chassis
Have the undercoating checked for damage
from time to time.
The lower body shell of your Aud i is also thor
oughly protected against cor ros io n.
Any damage to the unde rcoating ca used by
road ha zards should be repaired prompt ly.
A WARNING ....__
Too much undercoating in the wrong p la
ces can cause a fire.
- Do not app ly additional undercoating or
r u stp roof ing on or near the exhaust
manifold, exhaust pipes, catalytic con
ver ter or heat shields. While driving, the
substance used fo r undercoating could
overhea t and cause a fire.
- Always read and heed all WAR NINGS and
o ther info rmation ¢
page 189.
Exhaust tail pipes
Road salt and o ther co rrosive materials w ill
damage the mate ria l in the e xhaus t ta il pipes
i f they are not cleaned regular ly . Do not clean
the tail pipes with w hee l cleaner, pa int polish,
c h rome polish or other ab rasive cleane rs .
Clean the tail pipes with car care products
t h at are suitable for sta inless steel.
Your a uthorized Audi dea ler can prov ide clean
ing products that have been tested and ap
proved for your vehicle .
Care of interior
Infotainment components
The Rad io/MM !* disp lay may be cleaned w ith
a soft cloth and comme rcially-ava ilable "LCD
cl eaner". The clot h should be coated lightly
whe n the cleaning solution w hen clea ning t he
display.
T he M MI* con trols m ust be clean ed first wi th
a b rush so tha t dirt does not en ter the uni t or
enter between the buttons an d the housing.
The n wiping the controls with a cloth ..,.