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General information
Appl ies to vehicles: with Audi adaptive cruise contro l an d Audi
p re se nse front
Fig. 116 Front o f ve hicle: sensor
The general information applies to adaptive
cruise control* and pre sense front*¢
page 139.
The radar sensor area¢ fig. 116 must not be cov
ered with stickers, deposits or any other obstruc
tions as it may impair the function of the adap
tive cruise control and the pre sense front. For in
formation on cleaning, refer to
c:> page 2 74. The
same applies for any modifications made in the
front area .
The function of the adaptive cruise control sys tem and pre sense front is limited in some condi
tions :
- Objects can only be detected when they are
within the sensor range
¢ page 132, fig. 115.
- The system has a limited ability to detect ob
jects that are a short distance ahead, off to the side of your vehicle or moving into your lane.
- Objects that are difficult to detect such as mo
torcycles, vehicles with high ground clearance
or an overhanging load are detected late or not detected at all.
- When driving through curves
c:> page 134.
-With stationary objects c!;> page 134.
A WARNING
Always pay attention to traffic when adaptive
cruise control is switched on and the pre
sense front is active
c:> page 139 . As the driv
er, you are still responsible for starting and
for maintaining speed and distance to other objects. The pre sense front is used to assist
you. The driver must always take action to
Assist
avoid a collision. The driver is always responsi ble for braking at the correct time.
- Using adaptive cruise control incorrectly can
cause collisions, other accidents and serious
injuries.
- For safety reasons, do not use adaptive
cruise control when driving on roads with
many curves, when the road surface is in
poor condition and/or in bad weather (such
as ice, fog, gravel, heavy rain and hydroplan
ing) . Using the system under these condi
tions could result in a collision.
- Switch adaptive cruise control off tempora
rily when driving in turning lanes, on ex
pressway exits or in construction zones. This
prevents the vehicle from accelerating to
the set speed when in these situations.
- The adaptive cruise control system will not
brake by itself if you put your foot on the ac
celerator pedal. Doing so can override the
speed and distance regulation.
- When approaching stationary objects such
as stopped traffic, adaptive cruise control
will not respond and pre sense front will
have limited function.
- The adaptive cruise control system and pre
sense front do not react to people, animals,
objects crossing the road or oncoming ob
jects.
- The function of the radar sensors can be af
fected by reflective objects such as guard
rails, the entrance to a tunnel, heavy rain or
ice .
- Always maintain enough distance from
vehicles ahead so that you can still brake
your vehicle safely . The adaptive cruise con
trol cannot safely slow your vehicle or brake it to a stop if you are driving too close be
hind a vehicle. Please note that the auto
matic braking function cannot brake sud
denly or apply the brakes fully under these
conditions.
- To reduce the risk of unintended actions,
switch the ACC off when you a re not actively
using it.
~
133
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• Do not drive vehicle: steering defective
If th is ind icator light turns on and stays on and
this message appears, the power steering may
h ave fa iled.
Do
not cont inue driving . See an authorized Aud i
dealer or authorized Aud i Serv ice Faci lity for as
sistance.
• Do not dr ive vehicle: steering defective
There is a malfunction in the electronic steering
lock. You cannot turn the ignition on.
Do
not tow your vehicle beca use it cannot be
steered. See an authorized A udi dealer or author
ized Audi Service Facility for assistance.
':r- ij Steering malfunction : you can continue driv
ing
I f the indicator light turns on, the steering whee l
may be more diff icult to move o r more sensitive
than usual. The steering wheel may also be at an
angle when driving st raight.
Drive slowly to an author ized Audi dealer or au
thor ized Audi Service Facility to have the mal
function corrected.
1;11 Steering lock: system fault! Please contact
Service
There is a malfunction in the electronic steering
lock.
Drive to an authorized Aud i dea ler or authorized
Aud i Service Faci lity immediately to have the
malfunct ion corrected.
A WARNING -
Have the system malfunction corrected as
soon as possible by an authorized Audi dealer
or authorized Audi Service Facility, as this in
creases the risk of an accident .
(D Tips
If the . or t~ff indicator light only stays on
for a short time, you may continue dr iv in g.
Intelligent Technology
All wheel drive (quattro)
Applies to vehicles: with all wheel drive
In all wheel drive, all four wheels ore powered.
General information
In all wheel dr ive, the driving power is div ided be
tween all fou r wheels . This happens automatical
ly depending on yo ur driving behavior as well as
the current road conditions . A lso see
c> page 159, Electronic stabilization control
(ESC).
The all whee l drive concept is designed for high
engine power. Yo ur vehicle is exceptionally pow
erfu l and has excellent driving characteristics
both under normal driving conditions and on
snow and ice. Always read and follow safety pre
cautions
c> ,&. .
Winter tires
By using all wheel drive, your vehicle has good
forward motion with standard tires in winter con
ditions. However, in winter we recommend using
winter or all season tires on
all four wheels, be
cause this will improve the
broking effect.
Snow chains
If there are snow chain laws, snow chains must
also be used on veh icles w ith all wheel dr ive
c> page 269, Snow chains.
Replacing tires
For vehicles with a ll wheel d rive, only wheels with
the same rolling circumference should be used .
Avoid wheels with different tread depths
c> poge 260.
Offroad vehicle?
Your Audi is not an offroad vehicle -there is not
enough ground clearance. For this reason, avoid
difficu lt terrain . Also see<=)
page 302.
A WARNING
--Also, in veh icles with all whee l drive, adapt
your driving style to the current road and
traffic cond itions. Do not let the increased
safety prov ided tempt you into taking r isks.
163