See also:

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. ...

Releasing the parking brake manually
In the event of an electrical power loss or electrical malfunction, you can release the parking brake manually. Secure the vehicle against rolling Before releasing the parking brake manually, ...

Resetting the system
Reset the system after each correction of the tire inflation pressure and after every tire or wheel change. 1. "Vehicle Info" 2. "Vehicle status" 3. "Reset" 4. S ...