Intelligent technology
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Corrosion
The re may be a te nd en cy fo r d irt to build up on t he bra ke pads and
corrosion to form on the d iscs if t he car is not dr iven reg ula rly or only
for short trips with litt le use of the bra kes .
If the brakes a re not used freq uen t ly, or if corrosion has formed o n
the discs, it is advisable to clean off the pads and discs by braking
fir m ly a few ti mes fr o m a m ode rat ely high spee d ~ & .
Faults in the brake system
If you s hou ld noti ce a sudden increase in brake peda l t rave l, then one
of the two brake circu its may have failed ~ & .
Low brake fluid level
Malfunctions can occ ur in t he brake system if the brake fluid level is
t oo low. The bra ke fluid level is moni t ore d e lect ron ically.
Brake lin ing wear status
Brake lining wear may be checked by visua l inspect ion of the condi-
tion of the brake pads throu g h the open ings in the whee l.
If neces -
sary, the whe e l may be removed fo r t his insp ection~
page 308,
"Changing a w hee l".
& WARNING
• You should perform braking maneuvers for the purpose of
cleaning the brake system only if road conditions permit. Other
road users must not be put at risk - you may cau se an accident!
• Before descending a steep grade, reduce speed and shift trans-
mission into a lower gear or lower driving range. Do not ride the
brakes or hold the pedal down too long or too often . This could
cause the brakes to get hot and diminish braking efficiency.
• Do not "ride the brakes " by resting your foot on the pedal when
you do not intend to brake . This may cause the brakes to overheat ,
premature wear and increased stopping distance.
• Under certain climatic and operating condition s such as
passing through water , driving in heavy rain or after washing the
& WARNING (continued )
vehicle, the effectiveness of the brakes can be reduced . In winter,
ice can accumulate on the brake pads, linings, discs and drums.
Carefully apply brakes for a test. Brakes will dry and ice coatings
will be cleaned off after a few careful brake appli cations.
• Driving for an extended period of time on salt-covered roads
without using your brakes can also affect braking efficiency . Clean
off accumulated salt coating from brake discs and pads with a few
careful brake applic ations.
• If you damage the front spoiler, or if you install a different
spoiler, be sure the air flow to the front brakes is not obstructed .
Otherwise the brake system could overheat reducing the effective-
ness of the entire brake system.
• Failure of one brake circuit will impair the braking capability
resulting in an increased stopping distance. Avoid driving the
vehicle and have it towed to the nearest authorized Audi dealer or
qualified workshop.
n
Brake booster
The brok e boost er odds extra broking po wer.
The bra ke boos t er wor ks wit h vacuum pressure whi ch is crea t ed o nly
when the eng ine is ru nning~ & .
& WARNING
• Never let the vehicle roll to a stop with the engine shut off.
• If the brake booster is not working, for example when towing
your vehicle , or because the brake booster has somehow been
damaged, the brake pedal must be pressed considerably harder to
make up for the lack of booster assistance. •
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