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DRIVER SUPPORT
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to other vehicles, and in accordance with
current traffic rules and regulations.
•
The driver is advised to read all sections
in the Owner's Manual that relate to City
Safety to learn about factors such as its
limitations and what the driver should be
aware of before using the system (see
the list of links at the end of this article).
Parameters for City Safety
City Safety can avoid a collision with a vehicle, a
cyclist, a pedestrian or a larger animal in front by
reducing the car's speed with the auto-brake
function.
If the speed difference is greater than the follow-
ing specified speeds, the City Safety auto-brake
function cannot prevent a collision but mitigates
the consequences of it.
Vehicles
For a vehicle in front, City Safety can reduce the
speed by up to 60 km/h (37 mph).
cyclists
For a cyclist, City Safety can reduce the speed by
up to 50 km/h (30 mph).
Pedestrians
For a pedestrian, City Safety can reduce speed by
up to 45 km/h (28 mph).
Large animals
In the event of a risk of a collision with a large
animal, City Safety can reduce the car's speed by
up to 15 km/h (9 mph).
The brake function for large animals is primarily
intended to reduce the force of the impact at
higher speeds and is most effective at speeds
above 70 km/h (43 mph) but less effective at
lower speed.
Overview
Function overview
54
.
Acoustic warning signal in the event of a risk
of collision
Warning signal in the event of a risk of colli-
sion
Distance measurement with the camera and
radar unit
City Safety carries out three steps in the follow-
ing order:
1. Collision warning
2. Brake support
3. Auto Brake
The following text explains what happens during
the three steps:
1 - Collision warning
The driver is first warned of a potentially immi-
nent collision.
City Safety can detect pedestrians, cyclists or
vehicles that are stationary or moving in the same
direction as the car and are ahead. City Safety
can also detect pedestrians, cyclists or large ani-
mals that are crossing the road in front of the car.
In the event of a risk of collision with a pedes-
trian, large animal, cyclist or vehicle (including
vehicles described in the "City Safety in cross
traffic" section), the driver's attention is alerted by
means of a red flashing warning signal, an acous-
tic signal and a haptic warning in the form of a
brake pulse. At lower speeds or with hard braking
or acceleration there will be no haptic warning.
The brake pulse frequency varies according to
the car's speed.
54
NOTE: The illustration is schematic - details may vary depending on car model.
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