A ss is tance s y s tem s
General information
Applies to: vehicles with Audi adaptive cruise contro l/Audi pre
sense front
Fig. 123 Front of vehicle: sensor
The rada r sensor area r:!) fig. 123 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 or the pre sense front . For in-
formation on cleaning, see ¢
page 354 . The
same applies for any modifications made in the
front area .
The funct ion of the adaptive cruise contro l sys-
tem or pre sense front is limited in some condi -
tions:
- Vehicles can only be detected when they are
within the sensor range
¢page 123, fig. 122 .
- The system has a limited abi lity to detect
vehicles that are a short distance ahead , off to
the side of your vehicle or moving into your
lane .
- Objects that are difficu lt to detect such as mo-
torcycles, vehicles with high ground clearance
or an overhang ing load are detected late or not
detected at all.
- When dr iving through curves ¢
page 125 .
- When the vehicle is stationary ¢ page 125.
A WARNING
Always pay attent ion to the traffic aro und you
when adaptive cruise control is switched on .
As the driver, you a re st ill respons ible for your
own speed and the distance to othe r vehicles.
The adapt ive cruise control is used t o assis t
you . The driver must a lways take act ion t o
avoid a collision . The driver is always responsi -
ble for brak ing at the correct time .
124
- For safety reasons, do not use adaptive
cru ise control when dr iving 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 cond i-
tions could result in a collision .
- Switch adaptive cruise cont rol off tempora-
rily when dr iving in turning lanes, on ex-
pressway exits or in construction zones. This
prevents the veh icle from accelerating to
the stored speed when in these situat ions .
- The adap t ive cruise contro l system will not
brake by itself if you put yo ur foot on the ac-
celerator pedal. Doing so ca n override the
speed and distance regulation .
- Adapt ive cruise control does not respond to
peop le, animals, or crossing or oncoming
objects .
- The funct ion of the radar se nsors can be af-
fected by ref lective objects such as guard
rails, the entrance to a tunnel, heavy rain or
ice.
~
Note
The sensor can be d isplaced by impacts or
damage to the bumper, wheel housing and
underbody . This can impair the adaptive
cruise control. Have an authorized Audi dealer
or authorized Audi Service Facility check their
f unct ion.
@ Tips
For an explanation on conformity with the
FCC regulations in the United States and the
Industry Canada regu lations, see
¢ page 386 .
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