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control (ESC)
Description
Electronic stabilization control (ESC) supports
driver safety. It reduces the risk of slipping and
improves driving stability. ESC detects critica l sit
uations such as the vehicle oversteering and un
dersteering or the wheels are spinning. The vehi
cle is stabilized by applying the brakes or reduc ing engine torque. As soon as the ESC is actively
regulating, the
If] indicator light b links in the in
strument cluster.
The following systems are integrated in the ESC:
Anti-lock braking system (ABS)
ABS prevents the wheels from locking when brak
ing. The vehicle can still be steered even during
hard braking. Apply steady pressure to the brake
pedal. Do not pump the pedal. A pulsing in the
brake pedal indicates that the system is act ing to
stabilize the vehicle .
Brake assist system
The brake assist system can decrease braking dis
tance. It increases braking power when the driver
presses the brake pedal quickly in emergency sit
uations . You must press and hold the brake pedal
until the dangerous situat ion is over . In veh icles
with adaptive cruise contro l*, the brake assist
system is more sensitive if the distance detected
to the vehicle dr iv ing ahead is too small. On
vehicles with activated and functioning night vi
sion assist*, the brake assist system can respond more sensitively if there is a warning .
Anti-Slip Regulation (ASR)
ASR reduces eng ine power when the drive wheels
begin spinning and adapts the force to the road
conditions. This makes it easier to start, acceler
ate and drive up hills.
Electronic differential lock (EDL)
The EDL applies the brakes to a whee l that starts
spinning and transfers the drive power to the
other driving wheel or wheels (if the vehicle is
Intelligent Technology
equipped with a ll wheel drive*). This function is
not avai lab le at higher speeds.
In extreme cases , EDL automatically switches off
to keep t he brake on the braked whee l from over
heating. The vehicle is still working correctly. EDL
will switch on again automatically when condi
tions have returned to normal.
Power steering
The ESC can also support veh icle stability
through steering .
Selective wheel torque control
Selective wheel torque control is used when driv
i ng on curves. The front whee l on the ins ide of
the curve or both wheels on the ins ide of the
curve are braked selectively as needed. This al
lows more precise driving in curves.
Automatic post-collision braking system
The "automat ic post-collis ion braking system"
can help to reduce the risk of sliding and of addi
tional collisions after an accident. If the airbag
contro l module
detects a co llision above a certa in
vehicle speed, the vehicle is braked by the ESC.
T he vehicle does not brake automatically if:
- the driver presses the accelerator pedal, or
- the braking force generated by the pressed brake pedal is greater than the braking force
that would be initiated by the system, or
- the ESC, the brake system or the vehicle electri
cal system are not functioning.
A WARNING
-
- The ESC and its integrated systems cannot
overcome the lim its imposed by natura l
p hys ica l laws. This is especially impo rtant
on slippery or wet roads. If the systems be
g in acting to stabilize yo ur vehicle, you
should immediately alter your speed to
match the road and traffic conditions. Do
not let the increased safety provided tempt
you into taking risks. This could increase
your r isk of a coll is ion.
- Please note the risk of a coll ision increases
when dr iv ing fast, especially through curves
and on slippery or wet roads, and when
IIJ,,
119
Intelligent Technology
driving too close to objects ahead . The ESC
and its integrated systems cannot always prevent coll isions
-there is still a risk of ac
cidents!
- Press the accelerator pedal carefully when
accelerating on even, slippery surfaces such as ice and snow . The drive wheels can spin
even when these control systems are instal-
Switching on /off
led and this can affect driving stability and
increase the risk of a collision.
(D Tips
-ABS and ASR only function correctly when
all four wheels are equipped with identical
tires. Different tire sizes can lead to a reduc
tion in engine power.
- You may hear noises when the systems de
scribed are working.
ESC turns on automatically when you start the engine .
Fig. 137 Ce nter con sole: OF F~ button
ESC levels
Sport mode on
The following examples are unusual situations
where it may make sense to switch sport mode
on in order to allow the wheels to spin:
- Rock ing the vehicle to free it when it is stuck
- Dr iving in deep snow or on loose ground
- Driving with snow chains
Sport mode off
Behavior
The ESC and ASR stabilization f unctions Th
e fu ll stabilization f unction of the ESC
are limited
~ &. . and ASR is avai lab le again.
Operating Press the I~ O FF I button . Press the I~ OF F! button again .
Indicator filturns on. . turns off.
lights
Messages Stabilization control (ESC): Sport Warn-Stabilization control (ESC): On
ing! Reduced stability
A WARNING
-Only switch sport mode on when your driv
ing abilities and the traffic situation permit,
because there is a risk of sliding .
- The stabilization function is limited when
sport mode is switched on. The driving
wheels could spin and the vehicle could
swerve, espec ially on slick or slippery road
surfaces .
120
-
{l) Tips
Sport mode cannot be switched on if the
cruise control system* or adaptive cruise con
tro l* is switched on .
Brakes
New brake pads
New brake pads do not achieve their full braki ng
effec t during the first 2SO mi (400 km). They
must be "broken in" first.
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wear depends largely on the way the
vehicle is driven and on operating conditions.
This is especially true if you are driving frequently
in the city and on curves or with a sporty driving
style.
Operating noise
Noises may occur when braking depending on the
speed, braking force and outside conditions such
as temperature and humidity.
Effect of water and road salt
In certain situations, for example after driving
through water, in heavy ra in, after overnight con
densat ion 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 applica
tions.
At higher speeds and with the windshie ld wipers
turned on, the brake pads press against the brake rotors for a short amount of time. This action,
which is not felt by the driver, happens at regular
intervals and ensures a better reaction time for
the brakes in wet weather .
The braking effect can also be reduced if you are
driving on salted roads and you do not apply the brakes for long periods of time. The layer of salt
on the brake rotors and pads must be worn off
f ir st when the brakes are applied.
Corrosion
Leaving the vehicle parked for long periods of
time, low mileage and avo iding heavy brak ing
can contribute to corrosion on the brake rotors
and to d irty brake pads .
If you usually avoid heavy braking or if there is
corros ion present, occasional heavy braking at
high speeds is recommended to clean the brake
rotors and
pads¢ &..
Brake system malfunction
If you notice that the brake pedal travel has sud
denly
increased, then a brake circuit in the dual
circu it brake system may have malfunct ioned.
Drive to an authorized Aud i dealer or authorized
Intelligent Technology
Audi Service Facility immediately to have the
problem corrected. On the way there, drive with
reduced speed and keep in mind that you will
need a longer distance to stop and you will need
to press the brake peda l harder.
Low brake fluid level
When the brake fluid level is low, malfunctions in
the brake system may occur . The brake fluid level
is e lectronically monitored.
Brake booster
T he brake booster amplifies the press ure you ap
ply to the brake pedal. It on ly works w hen the en
gine is running.
A WARNING
-
-Only apply the brakes for the purpose of
cleaning the brake system when road and
traffic cond itions permit. You must not en
danger other road users. This increases the
risk of an accident .
- Never let the vehicle roll while the engine is
stopped because this increases the risk of an
accident .
- New brake pads do not ach ieve the ir full
braking effect dur ing the first 250 m i
(400 km). They must be "broken in" first .
However, you can compensate fo r the
slightly reduced braking force by pressing
firmly on the brake pedal. Avoid heavy b rak
ing during the break -in period.
- Ce rtain weather and operating conditions
such as driving through water, dr iv ing in
heavy rain or driving after washing your ve
hicle can impair the effectiveness of the
brakes. In the winter, ice may build up on
the brake pads, rotors and drums. Check
these components by braking carefully. Ap
plying the brakes carefully several times
dries the brakes and removes ice build-up .
- The efficiency of the brakes can also be im
pa ired by dr iv ing for long stretches on roads
covered with salt without using the brakes.
You can remove salt deposits from the
brake rotors and pads by carefully applying
the brakes several times.
121
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Applies to: vehicles wit h all wheel drive
In oil wheel drive, oil four wheels ore powered .
General information
In all wheel drive, the driving power is divided be
tween all four wheels. This happens automatical
l y depending on your driving behavior as well as
the current road conditions. Also see
c:> page 119, Electronic stabilization control
(ESC) .
A center differential distributes the driving power
variab ly to the front and rear axle. It works to
gether with selective wheel torque control, which
activates when driving through curves
c:>poge 119. With the sport differential*, power
distribution to the rear wheels is variable and can
be adjusted w ith drive select
c:> poge 104 .
The all wheel drive concept is designed for high
engine power. Your vehicle is exceptionally pow
erful and has excellent driving characteristics
both under normal driv ing cond itions and on
snow and ice. Always read and fo llow safety pre
cautions
c:> .&, .
Winter tires
By using all wheel drive, your vehicle has good
forward mot ion with standard tires in winter con
ditions . However, in winter we recommend using
winter or all season tires on all four w heels, be
cause this will improve the braking effect.
Snow chains
If there are snow chain laws, snow chains must
also be used on vehicles with all wheel drive
c:> page 217, Snow chains.
Replacing tires
For vehicles with all wheel drive, only wheels with
the same rolling circumference should be used .
Avoid using tires with different tread depths
c:> page 208, New tires or wheels .
Offroad vehicle?
Your Audi is not an offroad vehicle -there is not
enough ground clearance. For this reason, avoid
difficult terrain.
Intelligent Technology
A WARNING
--
- Also, in veh icles with all wheel drive, adapt
your driving style to the current road and
traffic conditions . Do not let the increased
safety provided tempt you into taking risks,
because this increases the risk of an acci
dent.
- The braking ability of your vehicle is limited
to the traction of the wheels. In this way, it
is not different from a two wheel drive vehi
cle. Do not be tempted to accelerate to a
high speed when the road is slippery, be
cause t his increases the risk of an accident .
- Note that on wet streets, the front wheels
can "hydrop lane" if driving at speeds that
are too high. Unlik e front wheel drive
veh icles, the engine does not rev higher sud
denly when the vehicle begins hydroplaning.
For this reason, adapt your speed to the
road conditions to reduce the risk of an acci
dent.
Energy management
Your vehicle is equipped with an intelligent ener
gy management system for distributing electrici
ty . This significantly improves the start ing ability
and increases the vehicle battery life.
(D Tips
- If you dr ive short distances frequently, the
veh icle battery may not charge enough
w hile driving. As a result, convenience func
tions for electr ical equipment may be tem
porarily unavailable.
- Th e vehicle battery w ill gradually drain if
the vehicle is not driven for long periods of
time, or if electrical equipment is used
when the engine is not running. To ensure
that the vehicle can still be started, the
electrical equipment will be reduced or
switched off.
123
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Basics
Safe driving habits
Please remember -safety first!
The individual safety features of your vehicle can
work together as a system to help protect you
and your passengers in a wide range of accidents.
These features cannot work as a system if they
are not always correctly adjusted and correctly
used .
This chapter contains important informat ion,
tips, instructions and warnings that you need to
read and observe for your own safety, the safety
of your passengers and others . We have summar
iz ed here what you need to know about safety
belts, airbags, child restraints as well as child
safety. Your safety is for us priority number 1. Al
ways observe the information and warnings in
this section -for your own safety as well as that
of your passengers.
The informa tion in t his section applies to all
model versions of your vehicle. Some of the fea
tures described in this sections may be standard
eq uip ment on some models, or may be optional
equ ipment on others. If you are not sure, ask
your author ized Audi dealer.
A WARNING
-Always make sure that you follow the in
struct ions and heed the WARNINGS in this
Manual. It is in your i nterest and in the in
terest of your passengers .
-
-Always keep the complete Owner's Litera
ture in your Audi when you lend or sell yo ur
vehicle so that this important information
w ill always be available to the driver and
passengers.
-Always keep the Owner's literature handy so
that you can find it easily if you have ques
tions .
Driving safety
Important things to do before driving
Safety is everybody 's job ! Vehicle and occupant
safety always depends on the informed and care
ful driver .
For your safety and the safety of your passen
gers,
before driving always:
.. Make sure that a ll lights and signals are operat
ing correctly.
.. Make sure tha t the tire pressure is correct .
.. Make sure that all w indows are clean and afford
good vis ibility to the outs ide.
.. Secure all luggage and othe r items ca refully
¢ page 54, ¢page 53 .
.. Make sure that nothing can interfere with the
peda ls .
.. Adjust front seat, head restraint and mirrors
correct ly for your height.
.. Instruct passengers to adjust the head re
straints according to their height.
.. Make sure to use the right child restraint cor
rectly to protect children
¢ page 166, Child
safety .
.. Sit properly in your seat and make sure t hat
your passengers do the
same¢ page 47, Seats
and storage.
.. Fasten your safety belt and wear it properly. Al
so instruct your passengers to fasten their safe
ty belts
properly ¢ page 134 .
What impairs driving safety?
Safe driving is directly related to the condition of
the vehicle , the driver as well as the driver 's abili
ty to concentrate on the road without being dis
tracted.
The driver is responsible for the safety of the ve
hicle and a ll of its occupants. If your ability to
drive is impa ired, safety risks for everybody in the
vehicle increase and you a lso become a hazard to
everyone else on the road
¢ &_ . Therefore:
.. Do not let yourse lf be distracted by passengers
or by using a cellular telephone .
.. NEVER drive when your driving abi lity is im
pa ired (by med ications, alcohol, drugs, etc .) .
.. Observe all traffic laws, rules of the road and
speed lim its and plain common sense .
125
Driving sa fety
,.. ALWAYS adjust your speed to road, traffic and
weather conditions.
,.. Take frequent breaks on long trips. Do not drive
for more than two hours at a stretch.
,.. Do NOT drive when you are tired, under pres
sure or whe n you are stressed .
A WARNING
Impaired driv ing safety inc reases the risk of
ser ious persona l inju ry and death whenever a
vehicle is being used.
Correct passenger
seating positions
Proper seating position for the driver
The proper driver sea ting po sition is impor tan t
for safe, relaxed driving .
Fig. 138 Correc t seat ing posit ion
F or your own safety and to reduce the risk of in
jury in the event of an accident, we recommend
that you adjust the driver 's seat to the following
position :
,.. Adjust the dr iver's seat so tha t you can easily
push the pedals all the way to the floor whi le
keeping your knee(s) s light ly
bent ¢ ,A.
,.. Adjust the angle of the seatback so that it is in
an upright position so that your back comes in
full contact with it when you drive.
"' Adjust the steering wheel so that there is a dis
tance of at least 10 inches (25 cm ) between the
stee ring wheel and your breast
bone ¢ fig. 138 .
If not possib le, see you r autho rized Aud i dea l
ersh ip about adaptive equipment .
126
,.. Adjust the steering wheel so that the steering
wh eel and airbag cover points at your chest and
not at your face.
"' Grasp the top of the steering wheel with your
elbow(s) slightly bent.
"' F or ad justab le head rest raints: Adjust the head
restraint so t he upper edge is as even as possi
ble with the top of your head . If that is not pos
sible, t ry to adjust the head restraint so tha t it
is a s close to this pos it ion as poss ible . M ove the
he ad restraint so tha t it is as close to the back
o f the head as possible.
"' Fasten and wear safety belts correctly
¢ page 137 .
"'Always keep both feet in the footwell so that
you are in contro l of the veh icle at all times .
Fo r detail ed information on how to adjust the
dr iver's seat,
see ¢ page 47.
A WARNING
Drivers who are unbelted , out of position or
too close to the airbag can be seriously in-
jured by an airbag as it unfo lds . To help re-
duce the risk of serio us pe rsonal i njury:
-Always adjust the driver's seat and the steer ing whee l so that there are at least
10 inches (25 cm) between you r breastbone
and the steering wheel.
- Always ad just the driver's seat and the
steer ing whee l so that the re are at least
4 inch es (10 cm) between the knees a nd the
lower part of the ins trumen t panel.
-Always hold t he s teering wheel on the out
side of t he steering wheel r im with yo ur
hands at the 9 o'clock and 3 o'clock posi
tions to help reduce the risk of personal in
jury if the dr iver 's airbag inflates.
-Never hold the stee ring wheel at the
12 o'clock position or with you r hands at
other positions inside the steer ing whee l
rim o r on the steering wheel hub. Holding
the steering wheel the wrong way can cause
serious injuries to the hands, arms and head
-
if the driver's airbag inflates . .,_
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face decreases the ability of the supplemen
tal driver's airbag to protect you in a colli sion .
- Always sit in an upright position and never
lean against or place any part of your body
too close to the area where the airbags are
located .
- Before driving, always adjust the front seats
properly and make sure that all passengers
are properly restrained .
- For adjustable head restraints : before driv
ing, always also adjust the head restraints
properly .
- Never adjust the seats while the vehicle is moving . Your seat may move unexpectedly
and you could lose control of the vehicle.
- Never drive with the backrest reclined or
tilted far back! The farther the backrests are
tilted back, the greater the risk of injury due
to incorrect positioning of the safety belt
and improper seating position.
- Children must always ride in child seats
~ page 166. Special precautions apply
when installing a child seat on the front
passenger
seat ¢ page 142 .
Proper seating position for the front
passenger
The proper front passenger seating position is
important for safe, r elaxed driving.
For your own safety and to reduce the risk of in
jury in the event of an accident, we recommend that you adjust th e seat for the front passenger
to the following position:
.. Adjust the angle of the seatback so that it is in
an upright position and your back comes in full
contact with it wh enever the vehicle is moving.
.. For adjustable head restraints: adjust the head
restraint so the upper edge is as even as possi
ble with the top of your head. If that is not pos
sible , try to adjust the head restraint so that it
is as close to this position as possible
~ page 128. Move the head restraint so that it
is as close to the back of the head as possible.
Driving safety
.. Keep both feet flat on the floor in front of the
front passeng er seat.
.. Fasten and wear safety belts correctly
¢ page 137 .
For detailed information on how to adjust the
front pass enger's s eat, see
¢ pag e 47.
A WARNING
= -
Front seat passengers who are unbelted, out
of position or too close to the airbag can be
seriously injured or killed by the airbag as it
unfolds . To help reduce the risk of serious
personal injury:
- Passengers must always sit in an upright po
sition and never lean against or place any part of their body too close to the area
where the airbags are located.
- Passengers who are unbelted, out of posi
tion or too close to the airbag can be seri
ously injured by an airbag as it unfolds with
g reat force in the blink of an eye.
- Always make sure that there are at least
10 inches (25 cm) between the front pas
senger's breastbone and the instrument panel.
- Always make sure that there are at least
4 inches (10 cm) between the front passen
ger's knees and the lower part of the instru
ment panel.
- Each passenger must always sit on a seat of
their own and properly fasten and wear the
safety belt belonging to that seat .
- Before driving, always adjust the front pas
senger seat properly.
- For adjustable head restraints: before driv
ing, always also adjust the head restraints
properly .
- Always keep your feet on the floor in front
of the seat. Never rest them on the seat, in
strument panel, out of the window, etc. The
airbag system and safety belt will not be
able to protect you properly and can even in
crease the risk of injury in a crash .
- Never drive with the backrest reclined or
tilted far back! The farther the backrests are
tilted back, the greater the risk of injury due
~
127
Driving safety
to incorrect positioning of the safety belt
and improper seating position.
- Children must always ride in child seats
c> page 166. Special precautions apply
when installing a child seat on the front
passenger seat
c> page 142.
Proper seating positions for passengers in
rear seats
Rear seat passengers must sit upright with both
feet on the floor consistent with their physical
size and be properly restrained whenever the
ve
hicle is in use.
To reduce the risk of injury caused by an incorrect
seating position in the event of a sudden braking
maneuver or an accident, your passengers on the
rear bench seat must always observe the follow
i ng:
• For adjustable head restra ints: adjust the head
restraint so the upper edge is as even as possi
ble with the top of your head. If that is not pos
sible, try to adjust the head restraint so that it
is as close to this position as possible
c> page 128 .
• Keep both feet flat in the footwell in front of
the rear seat.
• Fasten and wear safety belts properly
c>page 137.
• Make sure that children are always properly re
strained in a child restraint that is appropriate
for their size and age
c::> page 166.
_& WARNING
Passengers who are improperly seated on the
rear seat can be seriously injured in a crash.
- Each passenger must always sit on a seat of
their own and properly fasten and wear the
safety belt belonging to that seat .
- Safety belts only offer maximum protection
when the safety belts are properly posi
tioned on the body and securely latched. By
not sitting upright, a rear seat passenger
in
creases the risk of personal injury from im
properly positioned safety belts!
128
-For adjustable head restraints: always ad
just the head restraint properly so that it
can give maximum protection.
Proper adjustment of head restraints
App lies to : vehicles with adjustable head restra ints
Correctly adjusted head restraints are an impor
tant part of your vehicle's occupant restraint sys
tem and can help to reduce the risk of injuries in
accident situations.
Fig. 139 Head restra int: viewed from t he front
The head restraints must be correctly adjusted to
achieve the best protection.
• Adjust the head restraint so the upper edge is
as even as possib le w ith the top of your head . If
that is not possible, try to adjust the head
re
straint so that it is as close to this position as
possible
c> fig. 139 . Move the head restraint so
that it is as close to the back of the head as
possible.
• If the re is a passenger on the rear center seat
ing position, slide the center head restraint
up
ward at least to the next notch.
Adjusting head restraints
c> page 48.
_& WARNING
All seats are equipped with head restraints.
Driving without head restraints or with head
restraints that are not properly adjusted in
creases the risk of serious or fata l neck injury
dramatically . To help reduce the risk of injury:
-Always drive with the head restraints in
place and properly adjusted.
- Every person in the vehicle must have a
properly adjusted head restraint.
-