Environmental conditions

▷ Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed.

▷ Always say commands in the language of the voice activation system.

▷ When selecting a radio station, use the common pronunciation of the station name:
›Station ...‹ e. g. Classic Radio station.

▷ Keep the doors, windows, and glass sunroof closed to prevent noise interference.

▷ Avoid making other noise in the vehicle while speaking.

    See also:

    Vehicle paint
    Regular care contributes to driving safety and value retention. Environmental influences can act on the vehicle paint. Tailor the frequency and extent of your car care to these influences. ...

    Close the windows and glass sunroof
    Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

    Drive away without delay
    Do not wait for the engine to warm up while the vehicle remains stationary. Start driving right away, but at moderate engine speeds. This is the fastest way for the cold engine to reach its ope ...