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 ...

Ventilation
Advice on interior settings ...

Ventilation
Air intake Make sure that the exterior air inlet grille at the base of the windscreen is clean (free of dead leaves, snow etc.). If washing the vehicle with a high pressure jet, take care to avo ...