BMW G12 - Page 153

G12�Driver�Assistance�Systems
22.�Lane�&�Traffic�Jam�Assistant
147
22.1.8.�Deactivation�criteria
The�steering�and�lane�control�assistant�including�traffic�jam�assistant�is�deactivated�automatically�in
the�following�situations:
• If�the�vehicle�departs�from�the�detected�lane�or�the�lane�width�does�not�meet�the
requirements.
• If�the�lane�edges�of�the�current�lane�are�not�detected�by�the�KAFAS�stereo�camera.
• If�no�vehicle�driving�ahead�is�detected.
• The�vehicle�is�travelling�at�a�speed�greater�than�210km/h.
• If�the�Hands-off-Detection�cannot�detect�the�hands�(at�least�one�hand)�on�the�steering�wheel
rim.�Switch-off�occurs�once�a�defined�time�threshold�(several�seconds)�has�elapsed.
• Due�to�the�radius�of�the�bend�in�the�road,�the�inner�lane�edge�is�no�longer�detected�due�to�the
camera�aperture�angle.
• Pedestrian�protection�assumes�the�operating�condition�"Fault�exists".
• If�the�turn�indicator�is�on.
• The�driver�intervenes�actively�in�the�steering.
• If�over�a�certain�time�period�no�lane�edges�are�detected�and�there�is�not�a�vehicle�driving
ahead.
• If�the�driver�manually�deactivates�the�DSC�(DSC�off).
• If�there�is�an�intervention�from�the�preventative�pedestrian�protection.
• After�Dynamic�Brake�Control�braking�(brake�assistant).
22.1.9.�Limits�of�the�system
When�driving�in�narrow�lanes,�e.g.�when�driving�through�roadworks�or�when�emergency�lanes�are
formed,�the�system�cannot�be�activated�or�used�meaningfully.
Due�to�the�limited�detection�capacity�of�the�KAFAS�stereo�camera,�the�driver�must�remain�alert�and
observant�in�order�to�be�able�to�actively�intervene�at�any�time�so�as�to�avoid�the�risk�of�an�accident.�The
system�does�not�relieve�the�driver�of�personal�responsibility�for�correctly�judging�the�traffic�situation.
The�driver�is�solely�responsible�for�the�vehicle.