Opening and closing: from the outside

See also:

Brake force display
The concept During normal brake application, the outer brake lamps light up. During heavy brake application, the inner brake lamps light up in addition. ...

Head-up Display
The concept This system projects important information into the driver's field of vision, e.g., the speed. In this way, the driver can get information without averting his or her eyes from the ...

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 ...