User Manual - Page 116

For 4 SERIES GRAN COUPE.

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A dirty or covered sensor may prevent the de‐
tection of vehicles.
If necessary, clean the radar sensor. Re‐
move layers of snow and ice carefully.
Do not cover the view field of the radar
sensor.
Switching on/off
Switching on automatically
The system is automatically active after every
driving-off.
Switch off
Press button: the system is switched
off. The LED goes out.
Re-press button: the system is switched on.
The LED lights up.
Setting the warning time
The warning time can be set via iDrive.
1.
"Settings"
2. "Frontal Coll. Warning"
3. Activate the desired time on the Control
Display.
The selected time is stored for the profile cur‐
rently in use.
Warning with braking function
Display
If a collision with a recognized vehicle is immi‐
nent a warning symbol appears in the instru‐
ment cluster and in the Head-Up Display.
Symbol Measure
The vehicle lights up red: prewarn‐
ing.
Brake and increase distance.
The vehicle flashes red and an
acoustic signal sounds: acute warn‐
ing.
You are requested to intervene by
braking or make an evasive maneu‐
ver.
Prewarning
This warning is issued, e.g., when there is the
impending danger of a collision or the distance
to the vehicle ahead is too small.
The driver must intervene actively when there
is a prewarning.
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 driver must intervene actively when there
is an acute warning. If necessary, the driver is
assisted by an automatic braking intervention
in a possible risk of collision.
Acute warnings can also be triggered without
previous prewarning.
Braking intervention
The detection of objects can be influenced by
technical system limitations, e. g. pedestrians
or stationary objects. Limitations of the detec‐
tion range and functional restrictions are to be
considered.
Seite 112
Controls Safety
112
Online Edition for Part no. 01 40 2 960 707 - II/15
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