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Switching on/off
Switching the warning function on/off
Press the button
▷ On: the LED lights up.
▷ Off: the LED goes out.
The state is stored for the remote control cur‐
rently in use.
Setting the warning time
The warning time can be set via iDrive.
1.
Activate collision warning.
2. Activate the desired warning time on the
Control Display.
The selected channel is stored for the remote
control currently in use.
Display
Warning stages
Prewarning
This warning is issued, for example, when there
is the impending danger of a collision or the dis‐
tance to the vehicle ahead is too small.
Acute warning with braking function
Warning of the imminent danger of a collision
when the vehicle approaches another object at
a relatively high differential speed.
The acute warning prompts the driver to inter‐
vene and, if there is the danger of a collision, is
accompanied by a braking intervention.
The braking intervention is executed with lim‐
ited braking force and for a brief period only. The
intervention will not bring the vehicle to a com‐
plete standstill.
The braking intervention is executed only if DSC
Dynamic Stability Control is switched on.
Adapting your speed and driving style
The acute warning does not relieve the
driver of the responsibility to adapt his or her
driving speed and style to the traffic condi‐
tions.◀
The braking intervention can be interrupted by
pressing on the accelerator or by actively mov‐
ing the steering wheel.
When towing or tow-starting the vehicle, switch
off the collision warning with braking function to
prevent undesired interventions.
The braking function is deactivated if the DSC
Dynamic Stability Control or DTC Dynamic
Traction Control is deactivated.
Display in the instrument cluster
The collision warning can be issued in the in‐
strument cluster, in the Head-up Display, and
acoustically.
Warning stages
Symbol Measure
The vehicle lights up red: prewarn‐
ing.
Increase distance.
The vehicle flashes red and an
acoustic signal sounds: acute warn‐
ing.
You are requested to intervene by
braking or making an evasive maneu‐
ver.
Seite 108
Controls Safety
108
Online Edition for Part no. 01 40 2 917 522 - II/13
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