See also:

Functional requirements
The system must have been initialized when the tire inflation pressure was correct; otherwise, reliable signaling of a flat tire is not ensured. Initialize the system after each correction of th ...

The concept
The following can be operated using the buttons and the thumbwheel on the steering wheel: Current audio source. Redial on telephone*. Activation of the voice activation system*. ...

Ignition on
button, and do not press on the brake pedal at the same time. Manual-shift transmission: press the Start/Stop button, and do not press on the clutch pedal at the same time. All vehicle systems ...