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COMAND navigation (introduction)
100
software which is compatible with the
system software.
i
Please note that the update must be
allowed to run to the end in this case. If you
interrupt it, the navigation system will
continue to be non-operational.
Initial use or use following a system
software update
In both these cases, the navigation system
must determine the position of the vehicle.
You may have to drive for a while before
precise route guidance is possible.
GPS reception
Correct functioning of the navigation system
depends on GPS reception, among other
things. In certain situations, GPS reception
may be impaired, there may be interference
or no reception at all, e. g. in tunnels, in
multistory parking garages or there is snow
covering the trunk lid where the GPS antenna
is located. If there is snow on the trunk lid it
should be removed.
Route guidance after vehicle
transportation
COMAND has to redetermine the position of
the vehicle if the vehicle has been transported
(e. g. by ferry, by train or after towing).
Positioning takes place automatically even
when COMAND is switched off. The duration
varies from one case to another.
Route guidance may be restricted as follows
during vehicle positioning:
R
Navigation announcements, route
guidance displays and displayed street
names are not consistent with the actual
location of the vehicle.
R
COMAND does not generate navigation
announcements.
R
Instead of the route guidance displays, you
see the Off Road display and a direction
arrow. The direction arrow shows the
compass heading to the destination.
When positioning is complete, route guidance
is once again possible using navigation
announcements and route guidance displays.
Interrupting the journey during route
guidance
The following applies if you interrupt the
journey during route guidance and continue
the journey later:
R
COMAND resumes route guidance
automatically if you continue the journey
within 2 hours.
R
Route guidance is canceled if you continue
the journey after more than 2 hours. It will
be necessary to resume the canceled route
guidance manually (Y page 141).
i
The journey is interrupted if you park the
vehicle and switch off COMAND. The
journey is continued when you switch
COMAND back on and start driving on.
Hard disk errors
COMAND has an integrated hard disk on
which the map software is saved.
If an area of the hard disk has an error,
COMAND can no longer access the map data
in this area, for example, when calculating a
route.
The message Navigation Unavailable.
Please refer to the operating
instructions. appears.
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