See also:

Emergency detection of remote control
It is possible to switch on the ignition or start the engine in situations such as the following: ▷ Interference of radio transmission to remote control by external sources. ▷ Discha ...

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 ...

Warning stages
Prewarning This warning is issued, for example, when there is the impending danger of a collision or the distance to the vehicle ahead is too small. Acute warning Warning of the imminent danger ...