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07 Driver support
07
224
WARNING
The laser sensor also transmits laser light
when City Safety™ is disabled manually.
Related information
•
City Safety™ (p. 222)
•
City Safety™ - limitations (p. 224)
•
City Safety™ - function (p. 222)
•
City Safety™ - laser sensor (p. 226)
•
City Safety™ - symbols and messages
(p. 228)
•
MY CAR (p. 114)
City Safety™ - limitations
The sensor in City Safety is designed to
detect cars and other large vehicles in front of
the car irrespective of whether it is day or
night.
However, the function does have some limita-
tions.
The sensor's limitations mean that City Safety
has poorer functionality - or none at all - in
e.g. heavy snowfall or rain, dense fog, dust
storms or white-out situations. Misting, dirt,
ice or snow on the windscreen may also dis-
rupt the function.
Low-hanging objects, e.g. a flag/pennant for
projecting load, or accessories such as auxili-
ary lamps and bull bars that are higher than
the bonnet limit the function.
The laser beam from the sensor in City Safety
measures how the light is reflected. The sen-
sor cannot detect objects with low reflection
capacity. The rear sections of the vehicle
generally reflect the light sufficiently thanks to
the number plate and rear light reflectors.
On slippery road surfaces the braking dis-
tance is extended, which may reduce the
capacity of City Safety to avoid a collision. In
such situations the ABS
15
and ESC
16
systems
will provide best possible braking force with
maintained stability.
When your own car is reversing, City Safety is
temporarily deactivated.
City Safety is not activated at low speeds -
under 4 km/h, which is why the system does
not intervene in situations where a vehicle in
front is being approached very slowly, e.g.
when parking.
Driver commands are always prioritised,
which is why City Safety does not intervene in
situations where the driver is steering or
accelerating in a clear manner, even if a colli-
sion is unavoidable.
When City Safety has prevented a collision
with a stationary object the car remains sta-
tionary for a maximum of 1.5 seconds. If the
car is braked for a vehicle in front that is mov-
ing, then speed is reduced to the same speed
as that maintained by the vehicle in front.
On a car with manual gearbox the engine
stops when City Safety has stopped the car,
unless the driver manages to depress the
clutch pedal beforehand.
15
(Anti-lock Braking System) - Anti-lock braking system.
16
(Electronic Stability Control) - Stability system.
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