BMW 5 Series Owners & Service Manuals

BMW 5 Series: Deactivation criteria

The Active Lane Keeping Assistant and 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 130 mph (210 km/h).
  • If the Hands-off-Detection cannot detect the hands (at least one hand) on the steering wheel rim. The system is switched off 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).

Limits of the system

When driving in narrow lanes, e.g. when driving through construction zones 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.


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