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Limits of ultrasonic measurement
The detection of objects can reach the physical
limits of ultrasonic measurement, e.g., in the fol‐
lowing circumstances:
▷ With tow bars and trailer hitches.
▷ With thin or wedge-shaped objects.
▷ With elevated, protruding objects such as
ledges or cargo.
▷ With objects with corners and sharp edges.
▷ With objects with a fine surface structure,
such as fences.
Low objects already displayed, e.g., curbs, can
move into the blind area of the sensors before or
after a continuous tone sounds.
High, protruding objects such as ledges may not
be detected.
The parking assistant may identify parking
spaces that are not suitable for parking.
Malfunction
A Check Control message is displayed.
The parking assistant failed. Have the system
checked.
Head-up Display
The concept
This system projects important information into
the driver's field of vision, e.g., the speed.
In this way, the driver can get information with‐
out averting his or her eyes from the road.
Display visibility
The visibility of the displays in the Head-up Dis‐
play is influenced by:
▷ Certain sitting positions.
▷ Objects on the cover of the Head-up Dis‐
play.
▷ Sunglasses with certain polarization filters.
▷ Wet roads.
▷ Unfavorable light conditions.
If the image is distorted, check the basic set‐
tings.
Switching on/off
Press the button.
Display
Overview
▷ Speed.
▷ Navigation system.
▷ Check Control messages.
▷ Collision warning.
▷ Speed limit detection.
▷ Cruise control.
▷ Lane departure warning.
Some of this information is only displayed briefly
as needed.
Seite 146
Controls Driving comfort
146
Online Edition for Part no. 01 40 2 917 522 - II/13
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