BMW G12 - Page 154

G12�Driver�Assistance�Systems
23.�Active�Lane�Keeping�Assistant
148
The�active�lane�keeping�assistant�with�active�side�collision�protection�is�part�of�the�Active�Driving
Assistant�Plus�optional�equipment�(OE�5AT).
The�system�assists�the�driver�in�keeping�the�vehicle�in�lane�and�actively�avoiding�potential�side
collisions�by�initiating�corrective�steering�interventions�within�a�speed�range�from�70�km/h�to�210�km/
h.�The�system�endeavours�to�orient�the�vehicle�in�its�lane�according�to�the�situation�and�within�the
framework�of�the�system�limits.
The�system�consists�of�the�following�four�sub-functions:
• Side�collision�warning
• Lane�departure�warning
• Blind�Spot�Detection
23.1.�Side�collision�warning
The�table�below�shows�an�overview�of�the�functional�characteristics�of�the�"Side�collision�warning"
sub-function:
Speed�range Warning�functions Corrective�steering�intervention
70�-�210km/h
• Issued�if�the�vehicle
detects�that�it�is�getting
critically�close�to
another�vehicle�to�the
side
• Physical�warning�in�the
form�of�vibration�in�the
steering�wheel�using�an
unbalanced�actuator
• Visual�warning�in
exterior�mirror�in
the�form�of�the
corresponding�warning
light
• Corrective�steering
intervention�in�the�direction
of�the�available�space�on�the
roadway
Requirements:
• Detected�lanes
• Sufficient�available�space�on
the�roadway
23.1.1.�Reduced�side�collision�warning
The�reduced�side�collision�warning�comes�into�play�if�it�is�not�possible�to�adequately�monitor�the
available�space�on�the�roadway�or�there�is�no�available�space�on�the�roadway.
The�reduced�side�collision�warning�is�interlinked�with�the�steering�and�lane�control�assistant�including
traffic�jam�assistant�function.
The�table�below�shows�an�overview�of�the�functional�characteristics�of�the�"Reduced�side�collision
warning"�sub-function: