See also:

Activating HDC
Press the button; the LED above the button lights up. ...

Oil change
An oil change should be carried out by your service center only. ...

Engine oil temperature
When the engine is at normal operating temperature, the engine oil temperature is between approx. 210 7/100 6 and approx. 300 7/150 6. If the engine oil temperature is too high, a message appears ...