User Manual - Page 206

For 2020 BMW 7 Series.

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Functional limitations
The system may not be fully functional in the fol‐
lowing situations:
When a vehicle is approaching at a speed
much faster than your own.
In heavy fog, wet conditions, or snowfall.
In tight curves or on narrow lanes.
If the bumper is dirty, iced up, or covered,
for instance by stickers.
If cargo protrudes.
In the event of missing, worn, poorly visible,
merging, diverging, or multiple lane markings
such as in construction areas.
When lane markings are covered in snow, ice,
dirt or water.
When lane markings are covered by objects.
When driving very close to the vehicle in front
of you.
If there are constant blinding effects because
of oncoming light, for instance from the sun
low in the sky.
If the field of view of the camera or the wind‐
shield is dirty or covered in the area of the in‐
terior mirror.
If the camera has overheated and been tem‐
porarily switched off due to excessively high
temperatures.
Up to 10 seconds after the start of the engine
via the Start/Stop button.
During calibration of the camera immediately
after vehicle delivery.
Attaching any objects such as stickers or film in
the beam area of the radar sensors will also im‐
pact the function of the radar sensors and may
even cause them to fail.
A Check Control message is displayed when the
system is not fully functional.
Rear collision preparation
Concept
The system reacts to vehicles approaching from
behind.
General information
Two radar sensors in the rear bumper monitor
the area behind the vehicle.
If a vehicle approaches from the rear at a certain
speed, the system responds as follows:
Active Protection, refer to page 208: if a colli‐
sion seems to be unavoidable, PreCrash
functions are triggered.
Safety information
Warning
The system cannot serve as a substitute for the
driver’s personal judgment in assessing visibility
and traffic situation. There is a risk of accident.
Adjust driving style to traffic conditions. Watch
traffic closely and actively intervene where ap‐
propriate.
Warning
Indicators and warnings cannot serve as a sub‐
stitute for the driver’s personal judgment. Due
to its limits, the system may not issue warnings
or reactions, or these may be issued late or in a
manner that is not consistent with their normal
use. There is a risk of accident. Adjust driving
Seite 206
CONTROLS
Safety
206
Online Edition for Part no. 01402720932 - II/19
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