G12�Driver�Assistance�Systems
22.�Lane�&�Traffic�Jam�Assistant
140
G12�sensor�mat�for�touch�detection
Index Explanation
1 Sensor�mat
2 Connection�for�capacitive�touch�detection
3 Connection�for�steering�wheel�heating
The�lane�keeping�assistant�with�traffic�jam�assistant�is�deactivated�a�few�seconds�after�a�hand�is
no�longer�touching�the�steering�wheel�rim.�In�order�to�be�able�to�use�the�steering�and�lane�control
assistant�including�traffic�jam�assistant,�the�steering�wheel�must�be�grasped.�When�driving�with�gloves
on�or�with�a�steering�wheel�cover�fitted,�the�sensor�may�not�be�able�to�detect�contact�with�the�steering
wheel,�which�means�the�system�may�not�be�able�to�be�used.
The�diagnosis�of�the�Hands-off-Detection�is�performed�in�the�Body�Domain�Controller�BDC.
22.1.2.�Functional�prerequisites
The�following�prerequisites�must�be�met�in�order�for�the�steering�and�lane�control�assistant�including
traffic�jam�assistant�to�be�used:
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