Limitations of steering assistance during collision risks from behind
The function may have limited functionality in certain situations and not intervene, e.g.:
- for smaller vehicles such as motorcycles
- if more than half of your vehicle has moved into the adjacent lane
- on roads/lanes with indistinct or no side lane markings
- outside the speed range 60-140 km/h (37-87 mph)
- when the power steering works at reduced power - e.g. during cooling due to overheating (see section "Speed-dependent steering force").
Functionality may also be reduced in other situations, such as:
- road work
- winter driving conditions
- narrow roads
- poor road surfaces
- a very sporty driving style
- bad weather with reduced visibility.
In these demanding driving conditions, the function may not be able to properly assist the driver. In these situations, it is recommended that it is turned off.
Note
The function uses the vehicle's combined camera and radar unit, which has certain general limitations; see sections "Camera limitations" and "Radar sensor limitations".
In addition to the camera and radar sensor, the function also uses the vehicle's rearward-facing radar, which has certain general limitations the driver should be aware of. See additional information in the section "BLIS limitations".