See also:

Swapping the telephone and additional telephone
The function of the telephone and additional telephone can be swapped automatically. 1. "Telephone" 2. "Bluetooth® (phone)" 3. "Swap phone/addit. phone" ...

Tone
The sound settings are stored for the remote control currently in use. ...

Configuring the prewarning
After the warning function is switched on, the following can be set via the iDrive: The prewarning can be switched on/off. The time of the prewarning can be set. These settings have no effe ...