Ambient conditions

> Say the commands, numbers and letters smoothly and with normal volume, emphasis and speed.
> Always speak the commands in the language of the voice activation system.
> When selecting a radio station, use the standard pronunciation of the station name.
> Keep the doors, windows, glass roof/panoramic glass roofclosed to prevent interference from ambient noise.
> Avoid ambient 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. ...

    Run-flat tires
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    Interior motion sensor
    The windows and glass sunroof must be closed for the system to function properly ...