2019 BMW 3 Series Sedan — Owner's Manual – Page #194

Posted on 21 Feb, 2020
Model: 2019 BMW 3 Series Sedan
Pages: 342

File size: 7 MB

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System limits
Safety information
The system is designed to operate in certain
conditions and circumstances. Due to condi‐
tions or other factors, the system may not re‐
spond. There may be a risk of accident or risk
of damage to property. Actively intervene as
warranted. Refer to the information in this Own‐
er’s Manual regarding the scope of the sys‐
tem’s operation and limitations.
Limits of ultrasonic measurement
Ultrasonic measurements might not function in
the following situations:
For small children and animals.
For persons with certain clothing, for instance
With external interference of the ultrasound,
for instance from passing vehicles or loud
When sensors are dirty, iced over, damaged
or out of position.
Under certain weather conditions such as
high relative humidity, wet conditions, snow‐
fall, extreme heat, or strong wind.
With tow bars and trailer couplings of other
With thin or wedge-shaped objects.
With moving objects.
With elevated, protruding objects such as
With objects with corners, edges, and
smooth surfaces.
With objects with a fine surface structure
such as fences.
For objects with porous surfaces.
With small and low objects, for instance
With obstacles and persons at the edge of
the lane.
With soft obstacles or obstacles covered in
foam material.
With plants and bushes.
Low objects already displayed, for instance
curbs, can move into the blind area of the
sensors before or after a continuous tone
Cargo that extends beyond the perimeter of
the vehicle is not taken into account by the
False warnings
The system may issue a warning under the fol‐
lowing conditions even though there is no obsta‐
cle within the detection range:
In heavy rain.
When sensors are very dirty or covered with
When sensors are covered in snow.
On rough road surfaces.
On uneven surfaces, such as speed bumps.
In large buildings with right angles and
smooth walls, for instance in underground ga‐
In automatic vehicle washes.
Due to heavy exhaust.
Due to other ultrasound sources, for instance
sweeping machines, high pressure steam
cleaners or neon lights.
To prevent false alarms, switch off automatic
PDC activation on obstacle detection, refer to
page 191, for instance in automatic vehicle
A Check Control message is displayed.
Seite 194
Driver assistance systems
Online Edition for Part no. 01402779051 - II/19

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