Audi TT 2012 Owner's Manual page 173

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The windows must not be cleaned with insect
remover or wax since these can interfere with
the function of the windshield wiper blades
(chatter).
Oil, grease or silicone residue can be removed
with
glass cleaner or silicone remover.
How-
ever, wax residue requires the use of a specia l-
ly formulated solvent. Please contact your Au-
di dealer for advice on safe products for wax
removal.
Windows shou ld also be cleaned on the inside
at regular intervals.
Never dry windows with the same chamois
that you use to dry painted surfaces. Wax resi-
due on the chamois can impair vision through
the windows.
A
WARNING
- The windshie ld must not be treated with
water-repellent materials. They can in-
crease glare under poor visibility condi-
tions such as wetness, darkness, or when
the sun is low on the horizon. In addi-
tion, they can cause the windshield wip-
ers to chatter.
- Always read and heed all WARNINGS and
other information~
page 167.
(D
Note
- Never use warm or hot water to remove
snow and ice from windows and mirrors.
This could cause the glass to crack.
- To prevent damage to the wires of the
rear defogger, do not place any adhesive
stickers on the inside of the rear window
over the wires.
- To help prevent dirt from scratching the
window, always scrape in a forward di-
rection - pushing the scraper away from
you - never back and forth.
Cleaning
and protection
171
Steel wheels
Applies to vehicles : with stee l whee ls
The wheels also have to be cleaned.
.. Always include the hub caps and wheel rims
when washing your vehicle to remove road
dirt, salt sprays and brake dust.
If necessary, use a commercial whee l cleaner
to remove accumulated brake dust.
The wheel rims are easier to keep clean if they
are regularly coated with liquid wax.
Paint scratches should be touched up as soon
as possible to prevent corrosion
c:?
page 170,
Touch-up paint.
A
WARNING
- Moisture and ice on brakes may affect
braking efficiency -
c:?
page 156, General
information.
Test the brakes carefully af-
ter each vehicle wash.
-Always read and heed all WARNINGS and
the information
q page 167.
Cast (light) alloy wheels
Applies to vehicles : with Cast alloy whee ls
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
acid-free
cast alloy wheel cleaner.
.. Rub a coat of
liquid wax
onto the rims every
three month. Be sure to reach and treat all
parts of the rim.
To preserve the decorative appearance of the
cast alloy wheels, some special care is neces-
sary. In addition to road dirt and salt, brake
dust is also corrosive. If left on for too long,
brake dust can cause pitting.
Use only spec ial
acid-free
cleaners formulated
for alloy rims. Safe products are available at
your Audi dealer. Never leave the cleaner on
the rims longer than specified on the label. If
not rinsed
off
prompt ly, the acid contained in
I),,

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