Navigation
34Navigation OverviewHow does the navigation system work, and how is it operated?
An optimal route is defined using sensors, satellites and
traffic reports and the driver is then guided to his or her desti-
nation.The current vehicle position is determined using a system of satellites (GPS -
Global Positioning System). Sensors in the vehicle measure distances that
have been driven. Thanks to the detailed information on the navigation CD
the measurements values are compared and if necessary they are updated
using the traffic reports ( TMC = Traffic Message Channel). An optimal route to
the destination is determined in this way.
Navigation announcements and direction arrows shown on the screen and on
the instrument panel
7) guide you safely and conveniently to your destina-
tion. You can drive to a given address in towns you are unfamiliar with, or
drive to the nearest garage or be guided to a hotel.
In this chapter, answers can be found to the following questions:
•
What are the rules that should be followed for navigation? ⇒page 34,
“Safety”
•
How do I use the navigation CD? ⇒page 35, “The navigation CD”
•
Can I listen to music when using the navigation system? ⇒page 56, “The
destination guide without the navigation CD”
•
What happens if I leave the recommended route? ⇒ page 35, “General
notes”
•
Can a navigation announcement be repeated? ⇒page 53, “Navigation
instructions”
•
How does the radio navigation system respond when driving in an under-
ground car park or a tunnel? ⇒page 35, “General notes”
•
How do I enter destinations? ⇒page 37, “Preparing the destination
guide”
•
How can I enter garages, restaurants or hotels as destinations?
⇒ page 44, “Special destination”
•
Can I store destinations in a memory? ⇒page 45, “Destination memory”
•
What parameters can I set for route calculation? ⇒page 42, “Route
options”
•
How does the guide direct me to my destination? ⇒page 53, “Navigation
instructions”
•
Can I stop the destination guide functi on before I reach my destination?
⇒ page 50, “Destination guide”
SafetyThe navigation system determines the po sition of the vehicle, the direction
and distance and the route to a selected destination without taking traffic
regulations into account. Navigation recommendations are given as
announcements by the system. Direction arrows are also shown on the
screen. The destination is entered when the vehicle is stationary. The desti-
nation guide function is designed for ca rs and is thus unsuitable for larger
commercial vehicles.
7)Depending on the model version
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Navigation
36The last audio instruction can be repeated by pushing the button. The
volume of a navigation recommendation can be changed whilst it is being
made.
If the display Off Road appears on the screen, it means you are on a route not
recorded on the CD, e.g. on a dirt road. The GPS satellites will not be able to
reach your antenna when you are in a tunnel or underground garage,
meaning that the unit orientates itself via the wheel sensors. If you try to carry
out a route calculation in t his situation you may hear an announcement indi-
cating that you are located on a street for which no digital record exists. Drive
on until the display Off Road disappears.
INFO
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