drain bolt AUDI A4 CABRIOLET 2009 Owners Manual

Cleaning and protection 1111111
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Ap plies t o vehi cles : wi th C ast allo y wh eels
Cast (light) alloy wheels
Cast (light) alloy wheels require special care .
-Wash the wheels w ith a sponge or hose brush every
other week .
- For deep cleaning after wards, use on ly a dedicated
acid ­
free cast alloy wheel c leaner .
- Rub a co at of
liquid wax onto t he rims every three m onth.
Be sure t o reach and tre at all parts of the rim .
To preserve the decorative appearance of the cas t alloy whee ls,
some special care is necessary . In addition to road dirt and salt,
brake du st is also corr osive. If left on f or to o long, brake dust can
cause pitting .
U se only specia l
acid-free cleaners formulated for alloy rims. Safe
p roducts are available at your Aud i dea ler . N ever leave the cleaner
on the rims longer than specified on the label. If not rinsed off
promp tly, the acid conta ined in so me cleaners can attack the
threads on the wheel bolts .
Never use abrasive or metal po lishing cleaning agents . If the protec­
tive coating has been chipped, e .g. by kicked up road dirt, touch it
up as soon as possib le .
& WARNING
• Moisture and ice on br akes may affect braking efficiency
=> page 215 , "General infor mation ". Te st the br ake s c arefully ea ch
time you wash the vehicle .
• Alw ay s read and heed all WARNINGS and ot her informat ion
=> page 2 30 . •
Body cavity sealing
T he body c avity seali ng does not need to be checke d.
A ll body cavities which could be affected by corrosion have been
given thorough protecti on a t the fact ory.
This sealing does not require any inspection or add itional treat ­
ment . If any wax shou ld seep out of the cavity when the ambient
temperature is high, it can be removed with a p lastic scraper and a
suitable solvent.
& WARNING
Solvents can be dangerous.
• Benz ine is fla mmable and to xic. If you use benz ine for removing
the wax, keep sparks, flame and lighted cigarettes away . Never
dump benz ine on the ground , into open stream s or do wn sewage
drains .
• Be sure to ob ser ve all safety and environmental regulations .
Follow all in structions on the container.
• Always read and heed all WARNINGS and the information
=> page 230. •
Chassis
Have the undercoating checked for damage from time to
time.
The lower body she ll of your Audi is a lso thoroughly pro tected
against corrosion.
Any damage to the u nde rcoating caused by road ha za rds sh ould be
repaired promptly .
& WARNING
Too much undercoating in the wrong pla ces can cause a f ire .
Ve hic le care