BMW 528I XDRIVE - Manual (Page 101)

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remove any debris, ice or snow. To avoid dam-
age to the lens, do not use sharp or abrasive
instruments to clean ice, snow, or dirt off the
lens.
When the windshield is cleaned with the head-
lamps on, the camera lens area is automatically
sprayed as well. Refer to page
64 .
Lane Departure Warning*
The concept
This system warns you from a speed of approx.
40 mph/70 km/h when the vehicle is leaving the
lane you are currently in on roads with lane limit
lines. You feel this due to a slight vibration of the
steering wheel.
The system does not warn you if you signal
before leaving the lane.
It is best to use the system on well-developed
roads and freeways.
Switching on/off
Press the button on the steering wheel.
> The two lines 1 indicate that the system is
activated.
> The two arrows 2 mean that the system has
detected one or two lane demarcation lines
from a speed of approx. 40 mph/70 km/h
and warns accordingly.
If you activate the system below a speed of
approx. 40 mph/70 km/h, a message will appear
stating that the system is not active until this
speed is reached.
A warning will be canceled:
> after approx. 3 seconds
> if you return to your lane
> if you brake heavily
> if you signal
System limits
The Lane Departure Warning cannot
serve as a substitute for your personal
judgment in determining the course of the road.
If the system issues a warning, do not move the
steering wheel with unnecessary severity, as
otherwise you could lose control of the vehi-
cle.
<
The function of the system may be limited in the
following example situations:
> in heavy fog, rain or snowfall
> with worn-away, poorly visible demarcation
lines, or lines that run together or apart or
are unclear, e.g., in road construction areas
> when demarcation lines are covered by
snow, ice, dirt or a great deal of water
> in tight curves or on narrow roads
> when demarcation lines are not white
> when demarcation lines are covered by
objects
> when driving up close behind a vehicle driv-
ing ahead
> with bright oncoming light
> when the windshield is fogged up, dirty or
covered with stickers, vignettes, etc., in the
area of the inside rearview mirror
Online Edition for Part no. 01 41 2 602 678 - © 08/09 BMW AG Online Edition for Part no. 01 41 2 602 678 - © 08/09 BMW AG