See also:

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. ...

Summer tires
Do not drive with a tire tread depth of less than 0.12 in/3 mm. There is an increased danger of hydroplaning if the tread depth is less than 0.12 in/3 mm. ...

Functional requirements
The system must have been initialized when the tire inflation pressure was correct; otherwise, reliable signaling of a flat tire is not ensured. Initialize the system after each correction of th ...