See also:

Tachometer
Always avoid engine speeds in the red warning field. In this range, the fuel supply is interrupted to protect the engine. ...

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 ...

Continuing destination guidance
If the destination was not reached during the last trip, destination guidance can be resumed. "Resume guidance" ...