BMW GRAN COUPE 4 Series Owner's Manual page 140

Controls
Overview
Button in the vehicle
Lane departure warning
Camera
The camera is installed near the interior mirror.
Keep the windshield in front of the interior mir‐
ror clean and clear.
Switching on/off
Press button.
▷ On: the LED lights up.
▷ Off: the LED goes out.
The setting is stored for the driver profile cur‐
rently used.
Display in the instrument cluster
▷ Lines: system is activated.
▷ Arrows: at least one lane marking
was detected and warnings can be
issued.
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Safety
Online Edition for Part no. 01402978272 - II/17
Display in the instrument display
▷ Symbol orange: system is acti‐
vated.
▷ Green symbol: at least one lane
marking was detected and warn‐
ings can be issued.
Issued warning
If you leave the lane and if a lane marking has
been detected, the steering wheel begins vi‐
brating.
If the turn signal is set before changing the
lane, a warning is not issued.
End of warning
The warning is canceled in the following situa‐
tions:
▷ Automatically after approx. 3 seconds.
▷ When returning to your own lane.
▷ When braking hard.
▷ When using the turn signal.
System limits
Safety information
WARNING
The system can react incorrectly or not
at all due to the system limits. There is a risk of
accidents or risk of property damage. Observe
the information regarding the system limits
and actively intervene, if needed.◀
Functional limitations
The system may not be fully functional in the
following situations:
▷ In heavy fog, rain or snowfall.
▷ In the event of missing, worn, poorly visi‐
ble, merging, diverging, or multiple lane
markings such as in construction areas.
▷ When lane markings are covered in snow,
ice, dirt or water.