Horn switch
Press the steering wheel on or around the
mark.

See also:
Engine
...
Selection of engine oil (diesel-powered vehicles)
(1) Select engine oil of the proper SAE viscosity number according to the atmospheric
temperature. (2) Use engine oil conforming to the following classification:
Type 1:ACEA classification: “Fo ...
If the DPF warning display illuminates during vehicle operation
Steady illumination of the DPF warning display shows that the DPF has not been
able to burn away all of the trapped PM and that, as a result, an excessive amount
of PM has accumulated inside it. T ...
