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Brake force display
Concept
Additional brake lamps indicate emergency
braking to the traffic behind. This can reduce
the risk of a rear-end collision.
General information
▷ During normal brake application, the bot‐
tom brake lights light up.
▷ During heavy brake application, the top
brake lights additionally light up.
Active Protection
General information
The Active Protection safety package consists
of systems that are independent of each other:
▷ Attentiveness assistant.
▷ PreCrash.
▷ PostCrash.
Attentiveness assistant
Concept
The system can detect decreasing alertness or
fatigue of the driver during long, monotonous
trips, e.g., on highways. In this situation, it is
recommended that the driver takes a break.
Safety information
WARNING
The system does not release from the
personal responsibility to correctly assess
one's physical state. An increasing lack of
alertness or fatigue may not be detected or not
be detected in time. There is a risk of an acci‐
dent. Make sure that the driver is rested and
alert. Adjust the driving style to the traffic con‐
ditions.◀
Function
The system is activated each time the engine
is started and cannot be switched off.
After travel has begun, the system monitors
certain aspects of the driver's behavior, so that
decreasing alertness or fatigue can be de‐
tected.
This procedure takes the following criteria into
account:
▷ Personal driving style, e.g., steering behav‐
ior.
▷ Driving conditions, e.g., length of trip.
Starting at approximately 43 mph/70 km/h, the
system is active and can display a recommen‐
dation to take a break.
Break recommendation
If the driver becomes less alert or fatigued, a
message is displayed in the Control Display
with the recommendation to take a break.
A recommendation to take a break is displayed
only once during an uninterrupted trip.
After a break, another recommendation to take
a break cannot be displayed until after approxi‐
mately 45 minutes.
System limits
The function may be limited in the following
situations, e.g., and will either output an incor‐
rect warning or no warning at all:
▷ When the clock is set incorrectly.
Seite 138
Controls Safety
138
Online Edition for Part no. 01 40 2 915 604 - X/16
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