It indicates the car speed.
See also:
Climatic comfort
Knob (D) directs the air inside the passenger compartment according to five levels:
air flow from central vents and side
outlets;
to warm the feet and keep the face cool
(“bilevel” function)
...
Glow plugs
Turning the ignition key to MAR, the warning light on the dial comes on and goes
off when glow plugs reach the preset temperature. Start the engine immediately after
warning light switching off. ...
Conditions of use
Cold starting
Frequent cold starting will not enable the engine to reach optimal running temperature.
It follows, therefore, that consumption will be higher (from +15 to +30% in towns)
as will th ...