BMW Z4 ROADSTER Owner's Manual page 181

▷ Immediately following a steering interven-
tion by the vehicle systems.
▷ With manual steering intervention.
▷ When another driver assistance system is
activated, if applicable.
▷ Lane boundaries are not detected.
▷ When the system limits are reached.
System limits
Safety information
Warning
Due to its limits, the system may not react, or
it may react too late or in a manner that is not
consistent with normal use. There may be a
risk of accidents or risk of damage to prop-
erty. Actively intervene as warranted. Refer
to the information in this Owner's Manual re-
garding the scope of the system's operation
and limitations.
System limits of the sensors
Additional information:
▷ Cameras, refer to page 35.
Functional limitations
The system may be limited in the following
situations:
▷ 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.
▷ In tight corners or on narrow roads.
▷ With lane boundaries that are covered by
objects.
▷ When driving very close to the vehicle in
front of you.
▷ Up to 10 seconds after the start of the en-
gine via the Start/Stop button.
Online Edition for Part no. 01405A88B63 - VI/23
Safety
A Check Control message may be displayed
when the system is limited.
Active Blind Spot Detection
Principle
Active Blind Spot Detection detects vehicles
in the blind spot or vehicles approaching from
behind in the adjacent lane.
The warning light in the exterior mirror warns
the driver at different levels.
General information
Radar sensors monitor the area behind and
next to the vehicle when traveling faster than a
minimum speed.
The minimum speed is country-specific and is
displayed in the menu for the intelligent Safety
systems.
The system indicates whether there are vehi-
cles in your blind spot, arrow 1, or approaching
from behind in an adjacent lane, arrow 2. The
warning light in the exterior mirror illuminates
dimly.
Before you change lanes after setting the turn
signal, the system issues a warning in the
situations described above. The warning light
in the exterior mirror flashes and the steering
wheel vibrates.
CONTROLS
181
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