See also:

Indicator/warning lamps
The indicator and warning lamps can light up in a variety of combinations and colors. Several of the lamps are checked for proper functioning and light up temporarily when the engine is starte ...

Tachometer
Never force the engine speed up into the red warning field, see arrow. In this range, the fuel supply is interrupted to protect the engine. ...

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