Audi A3 Sportback g-tron Owner's Manual page 185

The "multicollision brake assist system" acts
in frontal, side and rear collisions when the
airbag control unit detects a threshold trigger
condition during an accident and the accident
occurs at a road speed in excess of 10 km/h.
The ESC will automatically brake the vehicle
(unless the ESC, hydraulic brake system or ve-
hicle's electrical system have been damaged
during the accident).
The following conditions override the auto-
matic brake application in an accident:
- There is no automatic braking if the driver
presses the accelerator.
- The vehicle is braked manually if the brake
pressure applied by pressing the brake pedal
is higher than the brake pressure Initiated
by the system.
- The "multicollision brake assist system" is
not available if an ESC malfunction occurs.
.&.
WARNING
- The grip provided by the ESC, ABS, ASR,
EDL, electronic limited-slip differential
and selective wheel torque control sys-
tems is still subject to the physical limits
of adhesion. Always bear this in mind,
especially on wet or slippery roads. If you
notice the systems cutting in, you should
reduce your speed immediately to suit
the road and traffic conditions. Do not
let the extra safety provided tempt you
Switching the ESC on/off
Intelligent technology 183
into taking any risks when driving - this
can cause accidents.
- Remember that the accident risk always
increases if you drive fast, especially in
corners or on a wet or slippery road, or if
you follow too close behind the vehicle in
front of you. Please bear in mind that
even ESC, ABS, brake assist, EDL, elec-
tronic limited slip differential, selective
wheel torque control and ASR cannot
compensate for the increased accident
risk.
- When accelerating on a uniformly slip-
pery surface (for instance all four wheels
on Ice or snow), press the accelerator
gradually and carefully. The driven
wheels may otherwise start to spin (in
spite of the integrated control systems),
which would impair the car's stability
and could lead to an accident .
('D
Note
- To ensure that the ABS and ASR systems
work properly, all four wheels must be
fitted with identical tyres. Any differen-
ces in the rolling radius of the tyres can
cause the system to reduce engine power
when this is not desired.
- The systems can make noises when they
intervene.
- If the indicator lamp
BJ
or
rlJ
appears,
there may be a
malfunction ~
page 22.
The ESC is switched on automatically when the engine is started.
Fig. 200 Centre console (top): ESC button
The ESC operates in several levels. Depending
on which level is selected, the stabilising func-
tion <Qf the ESC is restricted or switched off,
and the vehicle is stabilised to a greater or
lesser degree.
In the following special situations, it may be
advisable to switch on the ESC sport mode to
allow a certain amount of wheel spin:
- Rocking the car backwards and forwards to
free it