See also:

Calls with multiple participants
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 ...

Activation/deactivation
Press the button. ...

For better control
The indicator lamp flashes: DSC controls the drive forces and brake forces. The indicator lamp lights up: DSC and DTC has failed. DSC deactivated: The indicator lamp lights up and DSC O ...