See also:

Calls with multiple parties
General information You can switch between calls or connect two calls to a single conference call. These functions must be supported by the mobile phone and service provider. Accepting a call ...

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 ...

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 ...