See also:

Avoid high engine speeds
Driving at a low engine speed reduces fuel consumption and minimizes wear. ...

Ventilation
Front ventilation ► Lever for changing the air flow direction, arrow 1. ► Thumbwheels for opening and closing the vents continuously, arrows 2. ► Thumbwheel to vary the tempera ...

Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...