depressed to prevent the vehicle from
rolling away.
Cruise control will be deactivated when
an automatic braking occurs. In some
cases, the driver may wish to override
the automatic braking provided by the
active emergency braking system. Firmly
apply the accelerator pedal or firmly
turn the steering wheel to override the
automatic braking if the situation and the
surroundings permit.
Warning
Do not rely on the system to brake the
vehicle. Active emergency braking will
not brake automatically outside of its
operating speed range.
Emergency brake assist
If the driver brakes, but not sufficiently
to avoid a collision, this system will
supplement the braking. This assistance
will only be provided if the driver presses
the brake pedal.
Emergency brake assist will
automatically disengage when the brake
pedal is released.
Operation conditions
Active emergency braking only works
when:
● the brake system is operational
● Electronic Stability Control and
Traction Control are activated
● the seat belts of the front seats and
depending on version of the rear seats
are fastened
● constant speed on unwinding roads
Active emergency braking is
automatically deactivated in the following
cases:
● a spare wheel with smaller diameter is
detected
● a fault with the brake pedal switch
or with the left or right brake light is
detected
● a fault in the active emergency braking
system, in the electronic or in the brake
system is detected
●
a severe crash, e.g., with airbag
deployment was detected
System limitations
The system performance may be
degraded or not available in the following
cases:
●
sensor covered with snow, ice, slush,
mud or dirt
● windscreen damaged or smeared, with
blurred view or covered with foreign
items, e.g. stickers
● front camera out of its regular position
● automatic braking not available, e.g.
brake discs cooling going on
● brake pedal continuously used for a
long time, e.g. on a long downhill road
● winding or hilly roads
● system initialization process after
battery disconnection
● dazzling light, e.g. caused by the
sun or artificial illumination is shining
directly into the camera lens
● adverse environmental conditions, e.g.
rain, fog, or snow
● vehicle ahead creating road spray
After an impact or when damages are
visible have the vehicle checked by a
workshop.
The system performance may be
affected by:
●
Electronic Stability Control and
Traction Control in progress
●
vehicle battery voltage out of range
122 Advanced driving assistance systems
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