See also:

General information
The channels are offered in predefined packages. The packages must be enabled by telephone. ...

Tachometer
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. ...

Coolant temperature
Should the coolant, and with it the engine, become too hot, a Check Control message is displayed. Check the coolant level. ...