See also:

At a glance
1 Function bar 2 Route section with traffic obstruction 3 Traffic sign for traffic obstruction 4 Planned route 5 Current location 6 Upper status field 7 Lower status field Lines in the map S ...

DTMF suffix dialing
DTMF suffix dialing can be used for gaining access to network services or for controlling devices, e.g., to make a remote inquiry of an answering machine. The DTMF code is needed for this purp ...

System limits
Be alert Due to system limitations, warnings may be not be issued at all, or may be issued late or improperly. Therefore, always be alert and ready to intervene; otherwise, there is the danger ...