BMW M3 SEDAN Owner's Manual page 204

CONTROLS
Rear collision preparation
Concept
The system reacts to vehicles approaching from
behind.
General information
Radar sensors monitor the area behind the vehi‐
cle.
When a vehicle approaches from the rear at a
certain speed, the system responds as follows:
▷ Active Protection: when a collision seems to
be unavoidable, PreCrash functions are trig‐
gered.
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
204
Safety
Online Edition for Part no. 01405A1E4B0 - X/20
style to traffic conditions. Watch traffic closely
and actively intervene where appropriate.
Overview
Sensors
The system is controlled by the following sen‐
sors:
▷ Radar sensors, side, rear.
Additional information:
Sensors of the vehicle, refer to page 35.
Switching on/off
The system is automatically active when the ve‐
hicle is turned on.
The system is deactivated in the following situa‐
tions:
▷ When driving in reverse.
System limits
System limits of the sensors
Additional information:
▷ Radar sensors, refer to page 36.
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.
▷ When the approaching vehicle approaches
slowly.
If equipped with Equipment
Stop Assistant
Concept
If the driver is no longer fit to drive, the system
helps to safely bring the vehicle to a standstill.