A ss is tanc e s y s tem s
ACC: Please fa sten seat belt
The system is not comp letely available if t he d riv-
er 's seat be lt is unfas t ened .
Station ary obje ct ahead
This message appears if you would like to switch
the system on and there is a stationary object di-
rectly in front of your veh icle .
Door open
The system is not ava ilable when the door is
open .
Audi pre sense
Introduction
Applies to: vehicles with Audi pre sense
With in the limits of the system, the pre sense
functions can init iate measures in particularly
dangerous situat ions to protect the ve hicle pas -
sengers and ot her road users.
- Due to the interl inking of various vehicle sys-
tems , crit ica l dr iving situat ions can be detected
by
pre sense basic and measu res fo r preventa-
t ive occ upan t protect ion are can be initiated.
- The
pre sense front system uses the data from
t he adapt ive cr uise control* radar sensors and
t he camera to calc ulate the probab ility of a col -
lision . Within the limits of the system, an im-
pending collision with vehicles can be detected
in both urban and rural speed ranges. In this
case, the system warns the driver visually,
acoustically and with a jerk on the brakes if nec-
essary . If needed, it can initiate a partial or fu ll
deceleration to reduce the collision speed or to
avo id the collis ion unde r certain circumstances .
In conjunct ion with pre sense basi c/rear, the
front safety belts are also revers ibly tensioned
whe n needed. The pre sense front is also act ive
when adaptive cruise control* is switched off .
- Pre sense rear con t ains pre sense basic func -
tions. It uses the data from the side assist* ra-
dar sensors and calc ulates within the limits of
the system the probability of a rear end colli -
sion with the vehicle behind you . Pre sense rear
is also active when s ide assist* is switched off .
112
- Within the limits of the system, pre sense city
uses the camera data and can detect an im-
pending collision with vehicles and pedestrians .
In this case, the system warns the driver visual-
ly, acoustical ly and wit h a jerk on the brakes if
necessary . If needed, it ca n initiate a full dece l-
erat ion to reduce t he coll ision speed or to avoid
the collision under certa in circumstances . In
conjunction with pre sense basi c/rear, the front
safety belts are a lso reve rsibly te nsioned whe n
needed.
& WARNING
Read the genera l information inc::>.&. in Gen-
eral information on page 103,
~
.&. in Gener-
al information on page 121.
(D Tips
- Certa in pre sense fu nct io ns sw itch off when
driving in reve rse.
- The pre sense funct io ns may not be availa-
ble if t here is a ma lfunct ion in t he ESC sys -
tem or t he airbag control module .
- Note that the reversible belt tens ioner on
the front passenger 's side deactivates when
the front passenger's airbag is deactivated.
- Switch the pre sense off when you are not
using public streets or when loading the ve-
hicle onto a vehicle carrier, train, ship or
other type of transportat ion. This can pre-
vent an undesired intervention from the pre
sense system.
Audi pre sense basic
Appli es to: vehicles wit h Audi pre sense basic
The pre se nse bas ic functions are activated at a
speed of approx imately 20 mp h (30 km/h) or
highe r.
The following functions ca n be triggered under
certain co nd it ions wit hin the lim its of the sys-
tem:
- Tensioning of the safety belts (for examp le,
during heavy brak ing) : the front safety belts
have reversible belt te nsioners . If a collision
does not occur , the safety belts loosen slig htly
and are ready to tr igger aga in.
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