See also:

Adjusting the volume
Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. The vehicle automatically adjusts the volume of the microphone on the telephone ...

Functional readiness of the airbagsystem
When the ignition is switch on, the warning lamp in the instrument cluster lights up briefly and thereby indicates the operational readiness of the entire airbag system and the belt tensioner. ...

Using BMW TeleService
BMW TeleService are typically activated in the vehicle. Even if the BMW TeleService are not active, a voice contact to Roadside Assistance is still possible. To continue using or to deactivate ...