See also:

Initialization after a power failure
After a power failure, it is only possible to raise the roof, if necessary. Have the system initialized by your service center. ...

Sound output
Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...

New contact
General information A contact can have up to 8 phone numbers, 2 addresses, 3 e-mail addresses and one Internet address. 1. "Office" 2. "Contacts" 3. Open "Options" ...