See also:

Remove unnecessary cargo
Additional weight increases fuel consumption. ...

DTMF suffix dialing
DTMF suffix dialing can be used for gaining access to network services or for controlling devices, e.g., to make a remote inquiry of an answering machine. The DTMF code is needed for this purp ...

Special windshield
The windshield is part of the system. The shape of the windshield makes it possible to display a precise image. A film in the windshield prevents double images from being displayed. Therefore, ...