2014 AUDI A8 brake pads

Instruments and warning/indicator lights 13
Refill Ad Blue*
1:11
Malfunction indicator Lamp
c::;, page 227 (MIL) ../
AdBlue malfunction*
¢page 20
c::;,page227
•
Diesel particu late filter* clogged
Yellow indicator lights
c::;, page 21 .
Yellow symbols indicate a priority 2 ma lfunc-
111
Engine speed limitation
c::;, page 21 tion -Warning!
Engine oil level
I
USA models: Safety systems
•
c::;, page 18 c::;,
page 17 •
El
Canada models: Safety systems
•
Eng ine oil sensor
c::;, page 18 c::;,
page 21
Electronic Stabilization Control
&1
Battery
II
(ESC) ../ c::;, page 16
c::;, page 18
Em
Tank system
I
Electronic Stabilization Control c::;, page 21
(ESC) ../
c::;,page 18
•
Windshield washer fluid level
USA models: c::;, page 21
~
Anti-lock braking system (ABS)
m
W indshield wipers
defective
c::;, page 2 2
¢page 19
Canada models:
!I
Remote control key
ti]
Anti-lock braking system (ABS) c::;,page84
defective
=
Remote control key
¢page 19
c::;, page 84
•
Worn brake pads
Battery in remote control key
c::;, page 20
!! c::;, page 32
•
Electromechanical parking brake
Defective light bulb warning
c::;,page 86
l:J c::;, page 2 2
[I]
Tir e p ressure monitoring system
Fog lights*
,/
II c::;, page 2 66 c::;, page 2 2
mm
Tir e p ressure monitoring system
II
Rear fog lights*
¢page 266 c::;, page 2 2
rm
Electronic power control (alter-
II
Headlight range control
native
to g c::;, page 2 2
c::;, page 20
•
Glow plug system
§l
adaptive light*
(alternat ive to
'3B >
c::;, page 2 2
c::;, page 20
m
Light-/rain sensor faulty
c::;, page 2 2

Instrument s and warnin g/indic ator ligh ts 15
1111 (U SA m odels )/ . (Canada m odel s)
Pa rking br ake: syste m fault! Ple ase c ont act
deale r
-If the indicator ligh t and the message ap­
pear
w hen stationar y or aft er sw itchin g the
ign it io n on ,
check if you can release the
park ing brake . After re leas ing the parking
brake, carefu lly drive to your authori zed
Audi dealer immed iately to have the mal­
function corrected. If you cannot re lease the
parking brake, seek professional assistance .
- If the indicator light and the message ap­
pear
w hile dr ivin g, the emergency braking
function may not be ava ilable . It may not be
poss ible to set the parking brake o r release
it once it has b een set. Seek professional as­
s istance.
(USA models): If the warning light
1111 and
the warning light
EiJ appear together, imme­
d iate ly contact your authorized Aud i dealer or
qua lified workshop to have all b rake pads in­
spected
Q page 20 .
When the light comes on, an audible warning
signal is also give n.
A WARNING
- Always observe the wa rnings in
Q page 231, before opening the hood
and checking the brake fluid .
- Driv ing with low b rake fluid is a safety
haza rd. S top the car and get professional
assista nee .
- If the
1111 (USA models)/ . (Canada
mode ls) b rake system indicator light
turns on together with the ABS and ESC indicator lights, the ABS/ESC regu lating
function may have failed. F unctions that
stabilize the vehicle are no longer availa­
ble. Th is could cause the vehicle to
swerve and increase the risk of sliding .
Drive carefully to the nearest authorized
Audi dealer or other qualified workshop
and have the malfunction cor rected.
- If the brake warning/indicator light does
not go out afte r a few seconds and the
par king brake is released, or ligh ts up while you are driving, the fluid leve
l in
the brake fl uid reservo ir is too low. If you
believe that it is safe to do so, proceed
immed iate ly at low speed to the nearest
author ized Audi dealer or qualified repair
facility and have the brake system in­ spected.
- Always keep in mind that after severa l
brake applications, you will need greater
pressu re on the brake pedal to stop you r
veh icle. Do not rely on st rained bra kes to
respond with maximum stopping powe r
in critical situations . You must allow for
increased braking distances . The extra
distance used up by fading brakes could
lead to an accident.
PARK/( ®) Electromechanical parking
brake
The warning/indicator light monitors the
electromechanical parking brake .
If the indicator light - (USA models) /.
(Canada models) turns on, th@ parking brake
was set. If the parking brake is set when the
ignition is off, the indicator light turns off af­
ter about 20 seconds.
The warning/indicator light will go out when
the parking brake is re leased.
- (USA model s) ,. (Canada model s)
Caut io n: Vehicle parked too steep
If the indicator light blinks and the message
appears, there is not enough braking power to
keep the vehicle from rolling. The brakes have
overheated. The vehicle could roll away even
on a small incl ine .
Pre ss brak e ped al t o relea se p arking b rake
To re lease the park ing brake, press the brake
peda l and press the button~ or sta rt driv ing
with sta rting assist at the same time
Q page 87.
Plea se r ele as e parking brak e
To release the park ing brake manually, press
the brake pedal and press the button~ at the
same t ime . The parking b rake only releases ..,.

20 Instrum ent s a nd w arn in g/i ndic ato r light s
wheels co uld lock up first under hard
braking. Rear wheel lock-up can cause
loss of vehicle control and an accident.
Have your vehicle repaired immediately
by your authorized Aud i dealer or a quali­
fied workshop. Drive slowly and avoid
sudden, hard brake applications.
- Canada models: If the brake warn ing
light ., the
DJ warning light and the
ABS warning light
[iJ come on togethe r,
the rear wheels could lock up fi rst under
hard braking. Rear wheel lock-up can
cause loss of vehicle control and an acci­
dent. Have your vehicle repaired immedi­
ately by your authorized Audi dealer or a
qualified workshop. Dr ive slowly and
avo id sudden, hard brake applicat ions.
(0) Worn brake pads
EtJ Bra ke pads!
If the warn ing light illuminates, immediately
contact your authorized Audi dealer or quali­
f ied workshop to have all brake pads inspect·
ed. On USA models the warning light EtJ
comes on together with the warn ing light
1111 -Both sets of brake pads on an axle
must always be replaced at the same time.
_& WARNING
Dr iv ing with bad brakes can cause a colli­
sion and serious personal injury.
- If the wa rning light
EtJ and the wa rning
light
11111> with the message B ra ke
p ads!
comes on in the instr ument cluster
display, immediately contact your au­
thorized Aud i dealer or qualified work­
shop to have a ll brake pads checked or
replaced if necessary.
l ) - : USA models only
-
EPC Electronic power control
Applies to veh icles: w ith gasoline engine
This warning/indicator light monitors the
electronic power control .
The~ warning/indicator light (Electronic
Power Control) illuminates when you switch
the ignition on as a function check.
(D Tips
If this warning/indicator light illuminates
while you are driving, then there is a mal­
funct ion in the engine electronics. Have
the malfunct ion corrected as soon as pos­
s ible by your authorized Audi dealer or
qualified workshop.
W Glow plug system
Applies to veh icles: w ith diesel engine
The control light illuminates when the glow
plug system is active.
If the Im i ndicator light illuminates, the glow
plug system is act ive. You should start the en­
gine immediately after the ind icator light
switches off. The ind icator light only i llum i­
na tes for approximate ly 1 second if the en­
gine is warm or if the outside temperature is
above 46 QF (8 QC).
(D Tips
-If the glow plug indicator light i llum i­
nates while driving, there is an engine
contro l ma lfunction. The engine should
be checked immed iate ly .
- If the indicator light does not illuminate at a ll when switch ing the ignition on,
there may be a malfunction in the glow
plug system. The engine should be
checked.
' o Malfunction Indicator Lamp (MIL)
The Malfunction Indicator Lamp (MIL) is part
of the On-Board Diagnostic (OBD II) system.
T he symbo l
¢1111ij lights up when the ignition is .,.

@ Tips
-ABS and AS R on ly wor k co rrectly when
a ll fo ur wheels are eq uipped w ith identi­
ca l tires . Different tire s izes can lead to a
r educt io n in eng ine power.
- You may hear noises when the sys tems
desc ribed are working.
Switching on and off
Intelligent technology 201
- If the ind ica tor li ght DJ o r til1 (U SA
mo dels)/ [!] (Canada models) appea rs,
there may be a malfunc tion
r:::> page 19,
¢page 18.
ESC turns on automatically when you start the engine.
Fig . 188 Center co nsole with ESC O FF bu tton
ESC levels
Sport mode on
The following si tua tions are exceptions whe re
it may be usefu l to switch o n sport mo de to
allow the w heels to spi n:
- Rockin g the vehicle to free it when i t is st uck
- Dr iv ing in deep s now o r on loose g ro un d
- Dr iving with snow chains
Sport mode off
Behavior
T he E SC and AS R sta bilization f unct io ns The fu ll sta biliz ati on f uncti on o f the ES C
are limited¢ ,&.
Operation Press the [ru button .
Indicator II turns on .
lights
Driver mes· Stabilization control (ESC): Sport
sages Warning! Reduced stability
A WARNING
Yo u should o nly sw itch sport mo de on i f
your dr iv ing abili ties and road cond itions
permit.
- The stabilization function is limited
when sport mode is sw itched on. The
dr iv ing whee ls co uld spin and the vehicle
cou ld swe rve , especially on slick or slip ­
pery road surfaces.
(D Tips
Sport mode cannot be switched o n when
adapt ive cr uise c ontrol* is sw itched on.
-
and AS R is availab le again .
Press the
[ru button again .
II tur ns off.
Stabilization control (ESC): On
Braking
General information
What affects braking efficiency?
Operating conditions and driving habits
The bra ke s on today's au to m obiles a re s till
sub ject t o wear, depe nding la rgely o n ope rat ­
i ng con dit ions and d riving habits¢
A . On
vehicles that are either driven most ly in stop­
and-go city traff ic or are driven hard , the
brake pads should be checked by your author­
ized Audi dealer more often than specif ied in
t h e
Warranty & Maintenance booklet . Failure .,..

202 Intellig ent technol ogy
to have your brake pads inspected can result
in reduced brake performance.
On steep slopes, yo u shou ld use the b rak ing
effect of the engine. Th is way, you prevent un­
necessary wear on the brake system. If you
must use your brakes, do not hold the brakes
down continuously. P ump the brakes at inter ­
vals.
Operating nois e
Noises may occur when braking depending on
the speed, braking force and outside condi­
tions such as temperature and humidity.
E ff ect of water and road salt
In certain situat ions, for example after driving
through water , in heavy ra in , after overn ight
condensation or after washing your car, the braking effect can be reduced by moisture or
ice on the brake rotors and brake pads. The
brakes must be dried first with a few careful
brake applications.
At higher speeds and with the windshield wip­
ers turned on, the brake pads press against
the brake rotors for a short amount of time.
This occurs at regular intervals without the
driver noticing and provides for bet ter brake
response time under wet condit ions .
The effectiveness of the brakes can be reduced
when the vehicle is dr iven on a salt-covered
road and the brakes are not used . Likew ise,
you clean off accumulated salt coating from
brake discs and pads with a few caut ious ap­
plications of the brake
9 .&, .
Cor ro sion
There may be a tendency for dirt to build up
on the brake pads and corrosion to form on
the discs if the car is not dr iven regularly or
only for short t rips with little use of the
b rakes .
If the brakes are not used frequently , or if cor­
rosion has formed on the discs, it is advisable
to clean off the pads and discs by braking
firm ly a few times from a mode rately high
speed
9 .&, .
Faults in the brake syste m
If you shou ld notice a sudden increase in
brake pedal trave l, then one of the two brake
circuits may have fai led
9 & .
Low bra ke fluid lev el
Malfunctions can occu r in the bra ke system if
the b rake fluid level is too low. The brake flu id
level is monitored electro nica lly.
Brake lining we ar statu s
Brake lining wear may be checked by visual in­
spect ion of the condition of the brake pads
th rough the open ings in the wheel. If neces ­
sary, the wheel may be removed for t his i n­
spect ion
9 page 2 72, Changing a wheel.
A WARNING
- You shou ld 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 cause an accident!
- Before descending a steep grade, reduce
speed and sh ift transmission into a lower
gear or lower dr iving range. Do not ride
the brakes or hold the pedal down too
long or too often . This could cause the
b rakes to get hot and diminish braking
efficiency.
- Do not "ride the brakes" by rest ing your
foo t on the pedal when you do not intend
to brake. This may cause the brakes to
overheat, premature wear and increased
stopping distance.
- Unde r certain cl imatic and operat ing
conditions such as passing thro ugh wa ­
ter, driving in heavy rain or after washing
the vehicle, the effectiveness of the brakes can be reduced. In winter, ice can
accumu late on the brake pads, linings,
d iscs and drums. Carefully app ly brakes
for a test. Brakes will dry and ice coat­ ings will be cleaned off after a few care­
fu l brake applicat ions.
- Driving for an extended period of t ime on
salt-covered roads without using your brakes can a lso affect bra king efficiency.
~

Clean off accumulated salt coating from
brake discs and pads with a few careful
brake applicat ions .
-If you damage the front spoiler, or if you
install a different spoiler, be sure the air
flow to the front brakes is not obstruct­ ed . Otherwise the brake system could
overheat reducing the effectiveness of
the ent ire brake system.
- Failure of one brake c ircuit will impair
the braking capability resulting in an in­
cr eased stopp ing distance. Avoid driv ing
the vehicle and have it towed to the near­ est Aud i dea ler or q ualified wor kshop .
- Never let the vehicle rol l to a stop w ith
t he engine shu t off.
- If the brake booster is not work ing, the
brake pedal must be pressed conside ra­
bly harder to make up for the lac k of
booster assistance.
Brake booster
The brake booster adds extra braking power.
The brake booster works w ith vacuum pres ­
sure which is created only when the engine is
ru nning
9 ,&. .
,&. WARNING
-Never le t the vehicle ro ll to a stop w ith
t he engine shu t off.
- If the brake booster is not work ing, fo r
ex ample when towing your ve hicl e, or
because the b rake booste r has somehow
been damaged, the brake pedal must be
pressed considerab ly harder to make up
for the lack of booster assistance.
Servotronic - advanced
power steering system
-
The power steering systems use the power of
the running engine to allow precise steering
with little effort.
The advanced Servotronic power steering sys­
tem senses the road speed and electron ically
ad ju sts powe r ass istance to provide comfor ta-
Int ellig ent technolog y 203
ble and safe steering response exactly match ­
ed to th e vehicle speed .
Power steer ing will not work if the engine is
off . As a result, the steering wheel will be h ard
to tu rn.
T he powe r stee ring fluid level is checked d ur­
i ng t he sched uled maintena nce services.
(D Note
If there is an e lectronic malfunction, ser­
votronic
will s till fu nction like a conven­
tiona l powe r steering system, providing a
constant steering s upport force tha t is no
l onge r proportionate to the vehicle speed.
This is most noticeab le when t urni ng the
steering wheel at low speeds (for example
when parking), -more effort w ill be re­
quired than usual.
- Be aware of the different than usual steering response and adjust your steer­
ing force accordingly.
- Have the problem checked and set right by an Audi dealer as soon as possible.
(D Tips
-When the engine is running, never hold
the steering wheel turned all the way to
the right or to the left for longer than 15
seconds . The power steering pump will
overheat the hydraulic fluid if yo u keep
holding the stee ring wheel turned all the
way. This is likely to damage the power
steering sys tem.
- If the powe r stee ring system should fa il
entire ly, o r if t he engine is not runn ing
(for example, wh ile be ing towed), you
w ill still be able to steer the veh icle .
However,
considerably more effort will
be required to do so .
- If the powe r steering system sho uld
have a leak, or is not functioning proper­
ly, contact your author ized Audi dealer
immediately.
- The power steering system req uires a
specially formu lated hydraulic fluid. The
power steering fluid reservoir is located
in the engine compartment
9 page 233. IJJ,,
•
•

Driving and
environment
The first 1
1000
miles
(11500 km) and
afterwards
New engine
The engine needs to be run-in during the first
1,000 miles (1 ,500 km) .
For the first 600 mile s (1,000
kilometers ):
.,. Do not use full throttle.
.,. Do not drive at engine speeds that are more
than 2/3 of the max imum permitted RPM .
.. Avoid high engine speeds .
From 600 to 1,000 mile s (1 ,000 to
1,500 kilometers):
.. Speeds can gradually be increased to the
maximum pe rm iss ib le road or eng ine speed .
During and after break-in per iod
.,. Do not rev the engine up to high speeds
when it is cold. This applies whether the
transmission is i n N (Neutra l) or in gear.
After the break- in peri od
.. Do not exceed maximum engine speed un­
der any circumstances.
.,. Upshift into the next higher gear
before
reaching the red area at the end of the tach­
ometer scale
¢page 10.
During the first few hours of driving, the en­
g ine's interna l friction is higher than later
when all the moving parts have been broken
i n. How well this break-in p rocess is done de­
pends to a considerable extent on the way the
ve hicl e is driven du ring the first 1,000 miles
(1,500 ki lome ters).
(D Note
Extremely h igh engine speeds are auto­
mat ica lly reduced. However, t hese rpm
lim its are progr amme d for an eng ine well
r u n- in, not a new engine .
Driving and environment 207
@) For the sake of the environment
Do not drive with unnecessarily high en­
g ine speeds -upshifting ear ly saves f uel,
reduces noise and protects the environ­
ment.
New tires
If your vehicle is running on new tires, drive
particularly caref ul for the first 350 miles
(500 kilomete rs) afte r fitt ing.
.&, WARNING
N ew tires tend to be sl ippery and mus t al­
so be "b roken -in" . Be sure to remember
this dur ing the f irst 350 m iles (500 kilo­
meters) . Brake gently . Avoid fo llowing
closely behind other vehicles or other sit­
uations that m ight require sudden, hard
b raking .
New brake pads
Remember that new brake pads do not have a
full brak ing effect dur ing the first 250 m iles
(400 ki lomete rs) afte r they are installed.
New brake pads have to be "broken in" before
they have optima l grab ¢,&. .
D uring the brea k-in period, yo u should avo id
putting severe loads on the brakes. Severe
l oads include , for example, sudden hard brak­
i ng, in particular at very h igh speeds or, for
example, on mounta in passes .
.&, WARNING
New b rake pads don't have the best stop­
p ing power and must be "broken-i n" dur­
ing the initi al 100 to 150 miles (150 to
2 00 kilometers) o f no rma l ci ty driving . You
can compensate for this by pressing the b rake peda l more fi rm ly . This also applies
later when new pads are installed.
•
•

A WARNING ,~
- Do not park your vehicle over flammable
materials such as grass or leaves because
the high temperature of the diesel par­
t icu late filter cou ld start a fire .
- Do not apply an underbody protectant in the exhaust system area or a fire could start .
Shutting down vehicle
If you would like your veh icle to remain inop ­
erat ive for a longer period of time, contact an
Aud i or other specia lized dealer. They can ad­
vise you on necessary precautions e.g . corro­
sion prevention, ma intenance and storage.
Pay attention to additiona l information con­
cerning the battery. Refer to~
page 243.
Avoid damaging the
vehicle
When you a re driving on poor roads, or over
curbs, steep ramps, etc., make certain that low-lying parts such as spoilers and exhaust
system parts do not bottom out and get dam­
aged.
This is especially true for vehicles with low­
slung chassis (sports chassis)* and fully load ­
ed vehicles.
Driving through water
on roads
Note the following to avoid vehicle damage
when driving through water, for example on
flooded roads :
- The water must not be any higher than the
bottom of the veh icle body.
- Do not drive faster than wa lking speed.
A WARNING
After driving through water, mud, slush,
etc., the brakes may be slow to take effect
because of wet brake rotors and pads. Dry
-
Drivin g and environment 209
the brakes first by braking carefully to re­
store the full braking effect.
(D Note
- Vehicle components such as the engine,
transmission, suspension or electrical
system can be severely damaged by driv­
ing through water.
- Always switch off the Start-Stop-System
when driving through water~
page 88.
(D Tips
-Check the depth of the water before driv­
ing through it .
- Do not stop the vehicle, drive in reverse
or switch the engine off when driving
through water.
- Keep in mind that oncoming vehicles may create waves that raise the water
level and make it too deep for your vehi­
cle to drive through safely .
- Avoid driving through salt water because
it can cause corrosion.
Operate your vehicle
economically and minimize pollution
General
Your personal style of driving will determine
t he economy of your vehicle , as well as ex­
haus t and noise levels.
Fuel economy, environmental impact, and
wear on your engine, brakes and tires largely
depend on three factors:
- your personal driving style
- operating conditions
- technical limitations
If you ant icipate what you need to do next and
drive econom ically, you can easily cut your
fuel consumpt ion by 10-15 percent . Th is sec­
tion w ill give you some tips on how you can
help the env ironment and your pocketbook. •
•