The concept

▷ The mobile phone can be operated without taking your hands from the steering wheel.
▷ In many cases, the entries are accompanied by announcements or questions.
▷ ›...‹ Verbal instructions for voice operation.

    See also:

    For US customers
    The following only applies to vehicles owned and operated in the US. If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately i ...

    Switching on/off manually
    Press the button. ...

    Example: dialing a phone number
    1. Briefly press the button on the steering wheel. 2. ›Dial number‹ The system says: »Please say the number«. 3. For instance, ›123 456 790‹ The system says: »123 456 790. Continue?   ...