G12�Driver�Assistance�Systems
8.�Lane�Departure�Warning
28
The�lane�departure�warning�is�an�element�of�the�optional�equipment�Active�Driving�Assistant�(SA�5AS)
and�the�optional�equipment�Active�Driving�Assistant�Plus�(SA�5AT).
The�lane�departure�warning�detects�lane�markings�from�a�speed�of�approximately�70�km/h�and�warns
the�driver�against�unintentionally�leaving�the�lane.
The�information�required�about�usable�roadway�and�lane�markings�is�provided�by�the�KAFAS�stereo
camera.�Based�on�the�calculated�positions,�lane�edges�and�curves�in�relation�to�the�relative�position�of
the�driver's�vehicle,�a�corresponding�warning�is�issued.
If�the�driver�crosses�the�lane�marking�unintentionally�(without�using�the�turn�indicator)�or�leaves�the
road�boundary,�he�is�warned�by�the�steering�wheel�vibrating�gently�and�has�the�opportunity�to�react
accordingly.�The�vibration�in�the�steering�wheel�can�be�compared�to�the�vibration�effect�when�driving
over�a�profiled�road�marking.
In�the�settings�menu�the�driver�can�set�the�desired�strength�of�the�vibration�warning�on�the�steering
wheel�via�the�iDrive.
G12�steering�wheel�vibration�settings�menu�on�CID
Index Explanation
1 Steering�wheel�vibration�menu
2 Additional�note�for�the�driver
3 "Strong"
4 "Medium"
5 "Light"
If�the�driver�uses�the�turn�indicator�when�moving�across�to�another�lane,�the�lane�departure�warning
recognizes�that�this�is�an�intentional�lane�change�and�a�warning�is�not�issued.
The�lane�departure�warning�can�be�configured�individually�in�the�Intelligent�Safety�system�submenu.
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