BMW 3 SEDAN 2023 Series Owner's Manual page 187

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Warning function
Warning light in exterior mirror
The warning light in the exterior mirror warns
of a possible collision with a detected vehicle.
Acute warning
If there is a risk of collision, the warning light
in the exterior mirror flashes and the steering
wheel starts vibrating.
A Check Control message is displayed at the
same time.
Steering intervention
Depending on the national-market version,
if necessary, the system engages the active
steering intervention to prevent a collision and
maintain the vehicle within its own lane. The
steering intervention can be noticed on the
steering wheel and can be manually overrid-
den at any time.
System limits
General information
Follow the system limits in the "Collision warn-
ing systems" chapter.
Functional limitations
The system may be limited in the following
situations:
Online Edition for Part no. 01405A8A749 - VI/23
Safety
When a vehicle is approaching at a speed
much faster than your own.
In tight corners or on narrow roads.
In the event of missing, worn, poorly visible,
merging, diverging, or multiple lane boun-
daries such as in construction areas.
With lane boundaries that are covered in
snow, ice, dirt or water.
With lane boundaries that are not white.
With lane boundaries that are covered by
objects.
When driving very close to the vehicle in
front of you.
Up to 10 seconds after drive-ready state is
switched on via the Start/Stop button.
A Check Control message may be displayed
when the system is limited.
Rear-end collision
preparation
Principle
Depending on the equipment and national-
market version, the rear-end collision prepara-
tion can react to vehicles approaching from be-
hind.
General information
Radar sensors monitor the area behind the ve-
hicle.
When a vehicle approaches from the rear at a
certain speed, the system can react as follows:
CONTROLS
187

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