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The following situations may affect the function
of the night vision assist system:
- Poor visibility such as snow, ra in, fog or heavy
spray
- Dirty lens on the night vision assist camera
Make sure the night vision ass ist camera
c::> fig. 112 is not covered by stickers, deposits or
any other obstructions because that can affect
the camera function. For information on clean-
ing, see
c::> page 221 .
The pedestrian and wild animal recognition de-
pends on the temperature difference between
the person/wild animal and the background. Peo-
ple/wild animals may not be detected if the dif-
ference is too small. The pedestrian/wild animal
marking and the marking light* deactivate at
temperatures above approximately 77 °F (25 °C)
and during daylight.
If the night vision ass ist im-
age is selected in the instrument cluster display,
then the
D symbol appears at the top on the
right side .
_&, WARNING
Pay attention to traffic and the area around
your vehicle when night vision assist is switch-
ed on. The driver is always responsible for as-
sessing the traffic situation.
- Night vision assist can only warn about peo-
ple and wild animals located within the visu-
al range of the infrared camera. The visual
range corresponds to the image in the in-
strument cluster display.
- Night vision assist may not detect people or
wild animals and mark them if
- they are not in an upright position, for ex-
ample if they are sitting or lying down
and/or
- the silhouette in the display appears in-
complete or interrupted, for example be-
cause the person is partially covered by a
vehicle or the animal is partially covered
by tall grass. This could increase the risk
of an accident.
- Never try to swerve around animals if doing
so will endanger you or other road users , be-
cause this increases the risk of an accident.
Assistance systems
(D Tips
- Even though the system evaluates the
shape and heat given off by all detected ob-
jects, there are limits to the system . There
may be false warnings.
- For technical reasons, the image pauses in
split second intervals.
Switching on/off
Applies to: vehicles with night vision assist
Fig. 113 Area around the light switc h: night vision assist
button
Requirement: switch the ignition on and turn the
light switch to the
AUTO position.
.. Press the~ button
c::> fig. 113. The heat image
from the night vision camera appears in the in-
strument cluster display .
., Press the~ button again to switch the night
vision assist off.
If conditions are bright enough, night vision as-
sist can be switched on without moving the light
switch to the AUTO position. Pedestrian and wild
animal highlighting and warnings are only active
when it is dark outside and the headlights are
switched on.
Adjusting the contrast
Applies to: vehicles with night vision assist
.. Select: the I CAR ! function button > (Car)* Sys-
tems
contro l button > Driver assistance >
Night vision assist contrast .
When the night vision assist is switched on and
the image is visible in the instrument cluster dis-
play, you can adjust the contrast in the image
from
Min to Max .
103
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