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Driver assist systems
8.10 LANE DEPARTURE WARNING SYSTEM (LDWS)
8.10.1 LDWS (Lane Departure Warning System)
The LDWS warns the driver when the vehicle unintentionally departs from its lane. The
LDWS uses a camera behind the windscreen to detect road line markings. Markings
like solid white or yellow lines, dashed white or yellow lines and raised dots ('Botts'
dots). An acoustic signal (radio is muted) initiates in the left-hand or right-hand front
speaker when the lane is departed.
The acoustic signal sounds like driving over a rumble strip, and is heard on the side on
which the vehicle has departed from the lane.
Engaging conditions
The acoustic signal initiates in the left-hand or right-hand front speaker when all of the
following conditions are met:
– The ignition is switched on.
– The LDWS switch is not operated to disable.
– The vehicle speed is above 60 km/h (37 mph).
– The direction indicator is not applied or has not been applied during the last 30
seconds.
– The brake pedal is not applied.
– The vehicle leaves the lane.
Engaging and disengaging LDWS
LDWS is engaged automatically when the ignition is switched on.
Press the LDWS switch to disengage or engage the LDWS.
NOTE: The LDWS can only warn the driver when the lane markings are
clearly recognisable. The function of the system is indicative only. It cannot
guarantee that the correct lane has been chosen under all circumstances.
Accurate and consistent functioning of LDWS requires clear visibility and
recognition of the lane markings.
Unfavourable conditions or weather conditions can have a negative
influence on the LDWS performance. For example:
– Snow and/or ice.
– Heavy rain or fog.
– Heavily soiled, misted or otherwise blocked windscreen.
NOTE: This applies of course especially for the area around
and in front of the camera and can possibly trigger a pop-up
warning 'Camera blocked'.
Depending on the weather conditions it is for example caused
by condense. This can be solved by switching on the heater
fan including air conditioning.
DW63246305.book Page 270 Friday, March 22, 2019 4:54 PM
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