See also:

Programming
Turn thumb wheel 1 to the "LIMIT" position: the speed limiter mode is selected but is not switched on (PAUSE). You do not have to switch the speed limiter on in order to set the speed. ...

Height
Pull the control upwards to raise or push it downwards to lower, as many times as required, to obtain the position required. ...

Misfuel prevention (diesel)
Mechanical device which prevents filling the tank of a Diesel vehicle with petrol. It avoids the risk of engine damage that can result from filling with the wrong fuel. Located in the filler neck ...