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07 Driver support
07
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* Option/accessory, for more information, see Introduction.
233
Collision warning system* - operation
Warning signals On and Off
1. Acoustic and visual warning signal in the event
of a collision risk.
21
You can select whether the collision warning
system's acoustic and visual warning signals
should be switched on or off.
When starting the engine, the setting that was
selected when the engine was switched off is
obtained automatically.
NOTE
The Brake Support and Auto Brake func-
tions are always enabled - they cannot be
deactivated.
Settings for the collision warning system are
made via the centre console's screen and the
menu system MY CAR, see (p. 114).
Light and acoustic signals
When the collision warning system's light and
acoustic warnings are activated, the warning
lamp (no. [1] in previous illustration) is tested
each time the engine is started by briefly illu-
minating the warning lamp's separate points
of light.
After starting the engine, both the light and
acoustic signals can be switched off:
•
Search for
Collision warning in Driver
support system in the menu system MY
CAR (p. 114) - and there select to
uncheck the function.
Acoustic signal
After starting the engine the warning sound
can be activated/deactivated separately:
•
Search for
Warning sound in Collision
warning in the menu system MY CAR
(p. 114) - and there select On or Off.
Following which, the collision warning system
is only indicated with a light signal.
Set warning distance
The warning distance regulates the distance
at which the visual and acoustic warnings are
deployed.
•
Search for
Warning distance in
Collision warning in the menu system
MY CAR (p. 114) - and there select Long,
Normal or Short.
The warning distance determines the sys-
tem's sensitivity. Warning distance
Long pro-
vides an earlier warning. First test with Long
and if this setting produces too many warn-
ings, which could be perceived as irritating in
certain situations, then change to warning
distance
Normal.
Only use warning distance Short in excep-
tional cases, e.g. for dynamic driving.
NOTE
When the adaptive cruise control is in use
the warning lamp and warning sound will
be used by the cruise control even if the
collision warning system is switched off.
The collision warning system warns the
driver in the event of a risk of a collision,
but the function cannot shorten driver
reaction time.
In order for the collision warning system to
be effective, always drive with Distance
Warning (p. 219) set at time interval 4–5.
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The illustration is schematic - car model and details may differ.
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